Zhang, Li, Cui, Jinglei, Zhang, Jingfei, Zhang, Xin
Statefinder diagnosic is a useful method to distinguish different dark energy models. In this paper, we investigate the new agegraphic dark energy model with interaction between dark energy and...
Efficient Schemes for Monte Carlo Markov Chain Algorithms in Global Illumination (2009)
Yu-chi Lai, Feng Liu, Li Zhang, Charles Dyer
Abstract. Current MCMC algorithms are limited from achieving high rendering efficiency due to possibly high failure rates in caustics perturbations and stratified exploration of the image plane. In...
Fabio Remondino, Armin Gruen, Li Zhang
[Developments and performance analysis of image matching for detailed surface reconstruction of heritage objects] There exist several goals for three-dimensional (3-D) digitization and modeling of...
Fan, Xing, Sha, Li-Na, Yang, Rui-Wu, Zhang, Hai-Qin, Kang, Hou-Yang, Ding, Cun-Bang, ...
Abstract Background Single- and low- copy genes are less likely subject to concerted evolution, thus making themselves ideal tools for studying the origin and evolution of polyploid taxa. Leymus is a...
The rapamycin-regulated gene expression signature determines prognosis for breast cancer (2009)
Akcakanat, Argun, Zhang, Li, Tsavachidis, Spiridon, Meric-Bernstam, Funda
Abstract Background Mammalian target of rapamycin (mTOR) is a serine/threonine kinase involved in multiple intracellular signaling pathways promoting tumor growth. mTOR is aberrantly activated in a...
A decentralized control mechanism for stream processing networks (2009)
Liu, Zhen, Tang, Ao, Xia, Cathy H., Zhang, Li
Data streaming applications are becoming more and more common due to the rapid development in emerging areas such as sensor networks, multimedia streaming, and on-line data mining, etc. These...
Golubovskaya, Vita M, Zheng, Min, Zhang, Li, Li, Jian-Liang, Cance, William G
Abstract Background Focal adhesion kinase (FAK) is a non-receptor tyrosine kinase that plays an important role in survival signaling. FAK has been shown to be overexpressed in breast cancer tumors at...
Developing a systematic patent search training program (2009)
This study aims to develop a systematic patent training program using patent analysis and citation analysis techniques applied to patents held by the University of Saskatchewan. The results indicate...
ArnetMiner: Extraction and Mining of Academic Social Networks (2009)
Jie Tang, Jing Zhang, Limin Yao, Juanzi Li, Li Zhang, Zhong Su
This paper addresses several key issues in the ArnetMiner system, which aims at extracting and mining academic social networks. Specifically, the system focuses on: 1) Extracting researcher profiles...
Zheng, Wen Jun, Fei, Guang Tao, Wang, Biao, Zhang, Li
We have successfully prepared anodized alumina membrane distributed Bragg reflector (DBR) using electrochemical anodization method. The transmission peak of this distributed Bragg reflector could be...
Research on IP Anycast Secure Group Management * (2009)
Anycast is vulnerable to security attacks such as masquerading, denial of service, etc. The primary reason is that anycast members should prove their validity to the routing system and the requesting...
Wang, Yuker, Carlton, Victoria EH, Karlin-Neumann, George, Sapolsky, Ronald, Zhang, Li, Moorhead, Martin, ...
Abstract Background A major challenge facing DNA copy number (CN) studies of tumors is that most banked samples with extensive clinical follow-up information are Formalin-Fixed Paraffin Embedded...
New agegraphic dark energy as a rolling tachyon (2009)
Cui, Jinglei, Zhang, Li, Zhang, Jingfei, Zhang, Xin
Combining the general relativity and the uncertainty relation in quantum mechanics, the energy density of quantum fluctuations of space-time can be viewed as dark energy. The so-called agegraphic...
Shi, Pujiang, Zuo, Yi Zhou, Zou, Qin D., Shen, Juan, Zhang, Li, Li, Yubao Bao, ...
In this article, to discover an innovative drug release system, ciprofloxacin hydrochloride-loaded blending films of chitosan (CS)/ethyl cellulose (EC) microspheres were prepared. Two steps were...
Developing a systematic patent search training program (2009)
This study aims to develop a systematic patent training program using patent analysis and citation analysis techniques applied to patents held by the University of Saskatchewan. The results indicate...
The title compound, [Zn2(C6H4N5)2(H2O)6](CF3CO2)2·H2O, was synthesized by hydrothermal reaction of ZnBr2, CF3COOH and 2-(2H-tetrazol-5-yl)pyridine. The ZnII cation is coordinated by one N atom...
4,5-Diphenyl-2-p-tolyl-1H-imidazol-3-ium perchlorate (2009)
In the title compound, C22H19N2+·ClO4−, the three pendant aromatic rings are twisted from the plane of the imidazolium ring by dihedral angles of 17.3 (2), 65.7 (2) and...
2a,3a-Dihydroxyandrostan-16-one (2009)
Li Zhang, Xin Fang, Xiao-Jiang Hao, Yang Lu
The title compound, C19H28O4, is a new androstane steroid derivative. In the crystal, molecules are linked along the a axis by intermolecular O—H...O hydrogen bonds.
Shi, Pujiang, Zuo, Yi Zhou, Zou, Qin D., Shen, Juan, Zhang, Li, Li, Yubao Bao, ...
In this article, to discover an innovative drug release system, ciprofloxacin hydrochloride-loaded blending films of chitosan (CS)/ethyl cellulose (EC) microspheres were prepared. Two steps were...
Yi XU, Bin CHENG, Huaxiong PAN, Aijun WU, Li ZHANG
Background and objective The relationship between the virus and carcinomas has attracted attention and China may be highly infected-District with HPV. It was unclear that whether there has been HPV...
Waterland, Robert A., Kellermayer, Richard, Rached, Marie-Therese, Tatevian, Nina, Gomes, Marcus V., Zhang, Jiexin, ...
The question of whether DNA methylation contributes to the stabilization of gene expression patterns in differentiated mammalian tissues remains controversial. Using genome-wide methylation...
Baculo-expression and enzymatic characterization of CES7 esterase (2009)
Zhang, Li, Liu, Qiang, Zhou, Yuchuan, Zhang, Yonglian
The male reproductive tracts in different species are characterized by similar patterns of male-dependent overexpression of carboxylesterases. This phenomenon indicates male sex-associated functions...
Identification and characterization of an epididymis-specific gene, Ces7 (2009)
Zhang, Li, Hu, Zhihong, Zhu, Chunfang, Liu, Qiang, Zhou, Yuchuan, Zhang, Yonglian
Carboxylesterases (CEs) represent a multigene family of serine-dependent enzymes. Male-dependent CEs are over-expressed in the male reproductive tract of different animal species (bivalve mollusks,...
3-(2H-Tetrazol-5-yl)pyridinium trifluoroacetate (2009)
In the cation of the title compound, C6H6N5+·CF3COO−, the pyridine and tetrazole rings are nearly coplanar, making a dihedral angle of 2.49 (19)°. In the crystal, the cations...
2-Cyanoanilinium bromide (2009)
In the cation of the title compound, C7H7N2+·Br−, the nitrile group and the benzene ring are almost coplanar (r.m.s. deviation = 0.0043 Å). In the crystal, the cations and...
4-Bromo-3-methylanilinium hydrogen sulfate (2009)
In the cation of the title compound, C7H9BrN+·HSO4−, the amino N atom is protonated. In the crystal, intermolecular O—H...O and N—H...O hydrogen bonds generate an infinite...
4-Bromo-3-methylanilinium perchlorate (2009)
In the title compound, C7H9BrN+·ClO4−, the cations and anions are linked by intermolecular N—H...O hydrogen bonds, forming a two-dimensional network parallel to the ab plane.
2-Cyanoanilinium dihydrogen phosphate (2009)
In the cation of the title compound, C7H7N2+·H2PO4−, the nitrile group and the benzene ring are almost coplanar (r.m.s. deviation = 0.0035 Å). The cations and anions are...
1-Phenyl-3-(2,4,6-trimethoxyphenyl)prop-2-en-1-one (2009)
Jianzhang Wu, Li Zhang, Jing Wang, Shulin Yang, Xiaokun Li
In the title compound, C18H18O4, a derivative of biologically active chalcones, the dihedral angle between the two rings is 7.43 (7)°. The molecule adopts an E configuration about the...
13C-NMR Data of Three Important Diterpenes Isolated from Euphorbia Species (2009)
Qi-Cheng Wu, Yu-Ping Tang, An-Wei Ding, Fen-Qiang You, Li Zhang, Jin-Ao Duan
Euphorbia species are widely distributed plants, many of which are used in folk medicine. Over the past twenty years, they have received considerable phytochemical and biological attention. Their...
Affect Detection and Metaphor in E-Drama: The First Stage (2008)
Li Zhang, John A. Barnden, Robert J. Hendley
Abstract. We report work in progress on adding affect-detection to an existing e-drama program, a text-based software system for (human) dramatic improvisation in simple virtual scenarios, for use...
Li Zhang, Andy M. Yip, Chew Lim Tan
Shading distortions are often perceived in geometrically distorted document images due to the change of surface normal with respect to the illumination direction. Such distortions are undesirable...
Speech Recognition Based on Syllable and Pseudo-articulatory Features (2008)
The prevailing approach to speech recognition is the statistical technique known as hidden Markov modeling (HMM), which is capable of reasonable performance in general usage (~95%) – but not much...
VizStruct for Visualization of Genome-wide SNP Analyses (2008)
Kavitha Bhasi, Li Zhang, Daniel Brazeau, Aidong Zhang, Murali Ramanathan
The Use of Syllable Structure for Speech Recognition (2008)
This paper reports work on the development of a proposal for the use of syllable structure in speech recognition processing. The approach taken is that an articulatory basis can be found for...
Italic Font Recognition Using Stroke Pattern Analysis on Wavelet Decomposed Word Images (2008)
Li Zhang, Yue Lu, Chew Lim Tan
This paper describes an italic font recognition method using stroke pattern analysis on wavelet decomposed word images. The word images are extracted from scanned text documents containing word...
eDrama: Facilitating Online Role-play using Emotionally Expressive Characters (2008)
Kulwant Dhaliwal, Marco Gillies, A Oldroyd, Dale Robertson, Li Zhang
This paper describes the results of a user study of a multi-user role-playing environment ‘edrama’, which enables groups of people to converse online, in scenario driven virtual environments....
With the need of current fast evolving digital libraries, an increasing amount of documents are being digitized into an electronic format for easy archival and dissemination purposes. Thus Document...
Abstract Towards Hypermedia Support for Database Systems (2008)
Anirban Bhaumik, Michalis Vaitis, Li Zhang, Deepti Dixit, Michael Bieber, Roberto Galnares, ...
Using a dynamic hypermedia engine (DHE), we propose to automate the following features for database systems, both on and off the Web. First we automatically generate links based on the...
3d geometric and optical modeling of warped document images (2008)
Li Zhang, Zheng Zhang, Chew Lim Tan, Tao Xia
When one scans a document page from a thick bound volume, the curvature of the page to be scanned results in two kinds of distortion in the scanned document images: i) shade along the ‘spine ’ of...
Li Zhang, Andy M. Yip, Chew Lim Tan
This paper presents a restoration framework for correcting both photometric and geometric distortions in camerabased images of non-planar shaped documents to facilitate human perception and machine...
A Fast and Robust Automatic Face Alignment System (2008)
Li Zhang, Haizhou Ai, Shuichiro Tsukiji, Shihong Lao
We present an automatic face alignment system, whose objective is to localize the facial feature points in images. Our system is robust against bad initialization, facial expression and pose...
DESIGN OF A WIRELESS SENSOR FOR INJECTION MOLDING CAVITY PRESSURE MEASUREMENT (2008)
Li Zhang, Charles B. Theurer, Robert X. Gao, David O. Kazmer
The concept of a wireless sensor for injection molding machine cavity pressure measurement is proposed. The pressure information inside the cavity can be sensed by means of a series of ultrasonic...
3D Human Animation from 2D Monocular Data Based on Motion Trend Prediction (2008)
A model-based method is proposed in this paper for 3-dimensional human motion recovery, taking un-calibrated monocular data as input. The proposed method is able to generate smooth human motions that...
The video coding standard H.264/AVC has adopted variable block size motion estimation to improve coding efficiency, which has brought heavy computation burden. The FFSBM (fast full search block...
Restoring Warped Document Images using Shape-from-Shading and Surface Interpolation (2008)
With current high resolution handheld digital devices such as camera phones and PDAs, image capturing of documents like books and posters has become a convenient and efficient way of collecting and...
ABSTRACT Focused Named Entity Recognition using Machine Learning (2008)
In this paper we study the problem of finding most topical named entities among all entities in a document, which we refer to as focused named entity recognition. We show that these focused named...
VizStruct for visualization of genome-wide SNP analyses (2008)
Kavitha Bhasi, Li Zhang, Daniel Brazeau, Aidong Zhang, Murali Ramanathan
doi:10.1093/bioinformatics/btl144
Affect Detection and an Automated Improvisational AI Actor in E-drama (2008)
Li Zhang, Marco Gillies, John A. Barnden, Robert J. Hendley, Mark G. Lee, Alan M. Wallington
Abstract. Enabling machines to understand emotions and feelings of the human users in their natural language textual input during interaction is a challenging issue in Human Computing. Our work...
Fourier Harmonic Approach for Visualizing Temporal Patterns of Gene Expression Data (2008)
DNA microarray technology provides a broad snapshot of the state of the cell by measuring the expression levels of thousands of genes simultaneously. Visualization techniques can enable the...
Jiexin Zhang, Li Zhang, Kevin R. Coombes, Kevin R. Coombes
Background: In the post-genomic era, developing tools to decode biological information from genomic sequences is important. Inspired by affiliation network theory, we investigated gene sequences of...
Wenliang Chen, Jingbo Zhu, Muhua Zhu, Li Zhang, Tianshun Yao
In this paper, we present a novel model for improving the performance of Domain Dictionary-based text categorization. The proposed model is named as Self-Partition Model (SPM). SPM can group the...
A Web-based System for Retrieving Document Images from Digital Library (2008)
Li Zhang, Yue Lu, Chew Lim Tan
A web-based system for retrieving imaged documents from digital library is described in this paper. First, some image preprocessing is performed off-line on the underlying imaged document to extract...
Jiexin Zhang, Yuan Ji, Li Zhang, Associate Editor:. Prof, David Rocke
Motivation: It is an important and difficult task to extract gene network information from high throughput genomic data. A common approach is to cluster genes using pair-wise correlation as a...
Robust Face Alignment Based on Hierarchical Classifier Network (2008)
Li Zhang, Haizhou Ai, Shihong Lao
Abstract. Robust face alignment is crucial for many face processing applications. As face detection only gives a rough estimation of face region, one important problem is how to align facial shapes...
Li Zhang, Fang Wu, Bernardo A. Huberman
We consider scheduling in distributed systems from a game theoretic point view while taking into account queuing theory methodologies. In this approach no one knows the global state of the system...
Motion Deblurring for Optical Character Recognition (2008)
Xing Yu Qi, Li Zhang, Chew Lim Tan
This paper investigates the problem of blurring caused by motion during image capture of text documents. Motion blurring prevents proper optical character recognition of the document text contents....
Robust Face Alignment Based on Local Texture Classifiers, The (2008)
Li Zhang, Haizhou Ai, Shengjun Xin, Chang Huang, Shuichiro Tsukiji, Shihong Lao
We propose a robust face alignment algorithm with a novel discriminative local texture model. Different from the conventional descriptive PCA local texture model in ASM, classifiers using LUT-type...
Abstract Proximity Problems on Moving Points (2008)
Julien Basch, Leonidas J. Guibas, Li Zhang
A kinetic data structure for the maintenance of a multidimensional range search treeisintroduced. This structure is used as a building block to obtain kinetic data structures for two classical...
Macroblock-Level Adaptive Scan Scheme for Discrete Cosine Transform Coefficients (2008)
Abstract—Discrete Cosine Transform (DCT) has been widely used in image/video coding systems, where zigzag scan is usually employed for DCT coefficient organization. However, due to local diversity...
ABSTRACT Collision Detection for Deforming Necklaces (2008)
Leonidas Guibas, An Nguyen, Li Zhang, Daniel Russel
In this paper, we propose to study deformable necklaces — flexible chains of balls, called beads, in which only adjacent balls may intersect. Such objects can be used to model macro-molecules,...
Pankaj Agarwal, Leonidas Guibas, An Nguyen, Daniel Russel, Li Zhang
In this paper, we propose to study deformable necklaces — flexible chains of balls, called beads, in which only adjacent balls may intersect. Such objects can be used to model macromolecules,...
Pankaj K Agarwal, Julien Basch, Leonidas J Guibas, John Hershberger, Li Zhang, Pankaj K. Agarwal, ...
We present kinetic data structures for detecting collisions between a set of polygons that are moving continuously. Unlike classical collision detection methods that rely on bounding volume...
Abstract Geometric Spanner for Routing in Mobile Networks (2008)
Jie Gao, Leonidas J. Guibas, John Hershberger, Li Zhang, An Zhu
We propose a new routing graph, the Restricted Delaunay Graph (RDG), for ad hoc networks. Combined with a node clustering algorithm, RDG can be used as an underlying graph for geographic routing...
Wenliang Chen, Jingbo Zhu, Muhua Zhu, Li Zhang, Tianshun Yao
In this paper, we present a novel model for improving the performance of Domain Dictionary-based text categorization. The proposed model is named as Self-Partition Model(SPM). SPM can group the...
Discrete and computational geometry (2008)
Boris Aronov, Leonidas J. Guibas, Marek Teichmann, Li Zhang
In this paper we explore some novel aspects of visibility for stationary and moving points inside a simple polygon P. We provide a mechanism for expressing the visibility polygon from a point as the...
Chun Tang, Li Zhang, Aidong Zhang
DNA arrays can be used to measure the expression levels of thousands of genes simultaneously. Currently most research focuses on the interpretation of the meaning of the data. However, majority...
Yue Lu, Li Zhang, Chew Lim Tan
Large quantities of documents in the Internet and digital libraries are simply scanned and archived in image format, many of which are packed in PDF files. The word search tool provided by Adobe...
ABSTRACT Well-Separated Pair Decomposition for (2008)
We extend the classic notion of well-separated pair decomposition [10] to the (weighted) unit-disk graph metric: the shortest path distance metric induced by the intersection graph of unit disks. We...
Li Zhang, Yu Zhang, Chew Lim Tan, Senior Member
Abstract — In document digitization through camera-based systems, simple imaging setups often produce geometric distortions in the resultant 2D images because of the non-planar geometric shapes of...
Abstract Discrete Mobile Centers (2008)
Jie Gao, Leonidas J. Guibas, John Hershberger, Li Zhang, An Zhu
We propose a new randomized algorithm for maintaining a set of clusters among moving nodes in the plane. Given a specified cluster radius, our algorithm selects and maintains a variable subset of the...
N-Step PageRank for Web Search (2008)
Li Zhang, Tao Qin, Tie-yan Liu, Ying Bao, Hang Li
Abstract PageRank has been widely used to measure the importance of web pages based on their interconnections in the web graph. Mathematically speaking, PageRank can be explained using a Markov...
Proportional response dynamics leads to market equilibrium (2008)
One of the main reasons of the recent success of peer to peer (P2P) file sharing systems such as BitTorrent is its built-in tit-for-tat mechanism. In this paper, we model the bandwidth allocation in...
DOI: 10.1007/s11066-006-9002-2 Ensuring trust in one time exchanges: solving the QoS problem (2008)
Bernardo A. Huberman, Fang Wu, Li Zhang
We describe a pricing structure for the provision of IT services that ensures trust without requiring repeated interactions between service providers and users. It does so by offering a pricing...
Internal and External Wage Effects Associated with a Changing Share of College Graduates (2008)
The main objective of this research is to estimate internal and external wage effects associated with a changing share of college graduates in Canada. This paper uses data drawn from the Canadian...
Experiments With Wide Area Data Coupling Using the Seine Coupling Framework ⋆ (2008)
Li Zhang, Manish Parashar, Scott Klasky
Abstract. Emerging scientific and engineering simulations often require the coupling of multiple physics models and associated parallel codes that execute independently and in a distributed manner....
Experiments with Wide Area Data Coupling Using the Seine Coupling Framework ⋆ (2008)
Li Zhang, Manish Parashar, Scott Klasky
Abstract. Emerging scientific and engineering simulations often require the coupling of multiple physics models and associated parallel codes that execute independently and in a distributed manner....
Reprint requests & all communications to: (2008)
Li Zhang, George Hripcsak, Yehoshua Perl, Michael Halper, James Geller
Objective: A metaschema is an abstraction network of the UMLS’s Semantic Network (SN) ob-tained from a connected partition of its collection of semantic types. A lexical metaschema was previously...
Supporting Virtual Documents in Just-in-Time Hypermedia Systems (2008)
Many analytical or computational applications, especially legacy systems, create documents and display screens in response to user queries “dynamically ” or in “real time”. These “virtual...
THE BAMIYAN VALLEY: LANDSCAPE MODELING FOR CULTURAL HERITAGE VISUALIZATION AND DOCUMENTATION (2008)
Armin Gruen, Fabio Remondino, Li Zhang
In this paper we present the modeling and visualization of the cultural heritage area of Bamiyan, Afghanistan. The region is situated ca 200 km north-west of Kabul and it was one of the major...
Armin Gruen, Fabio Remondino, Li Zhang
In this paper we present the modeling and visualization of the cultural heritage area of Bamiyan, Afghanistan. The region is situated ca...
MODELING AND VISUALIZATION OF LANDSCAPE AND OBJECTS USING MULTI-RESOLUTION IMAGE DATA (2008)
Armin Gruen, Fabio Remondino, Li Zhang
In this paper we present the photogrammetric modeling and visualization of the UNESCO World Heritage site of Bamiyan, Afghanistan...
2006: Surface reconstruction algorithms for detailed close-range object modeling (2008)
Nowadays 3D modeling is generally performed using image or range data. Range sensors are getting a quite common source of data for modeling purposes due to their speed and ability to capture millions...
A Lexical Metaschema for the UMLS Semantic Network (2008)
Li Zhang Yehoshua, Li Zhang, Yehoshua Perl, Michael Halper, James Geller, George Hripcsak, ...
Objective: A metaschema is a high-level abstraction network of the UMLS's Semantic Network (SN) obtained from a partition of the SN's collection of semantic types. Every metaschema has...
Assessment of chemically separated carbon nanotubes for nanoelectronics (2008)
Zhang, Li, Zaric, Sasa, Tu, Xiaomin, Wang, Xinran, Zhao, Wei, Dai, Hongjie
It remains an elusive goal to obtain high performance single-walled carbon-nanotube (SWNT) electronics such as field effect transistors (FETs) composed of single- or few-chirality SWNTs, due to broad...
Xiang, Andy Peng, Mao, Frank Fuxiang, Li, Wei-Qiang, Park, Donghyun, Ma, Bao-Feng, Wang, Tao, ...
The full potential of embryonic stem (ES) cells to generate precise cell lineages and complex tissues can be best realized when they are differentiated in vivo—i.e. in developing blastocysts. Owing...
Wang, Qiang, Zhang, Li, Lynn, Bert, Rymond, Brian C.
The 3′ end of mammalian introns is marked by the branchpoint binding protein, SF1, and the U2AF65-U2AF35 heterodimer bound at an adjacent sequence. Baker's yeast has equivalent proteins,...
Cheng, Li-Tao, Gao, Yan-Li, Gu, Yue, Zhang, Li, Bi, Shu-Hong, Tang, Wen, ...
Background. Hypertension is common in patients with chronic kidney disease (CKD), and isolated systolic hypertension (ISH) accounts for most patients with inadequate blood pressure (BP) control....
A general kinetic model: Kinetics and atomic-scale mechanisms of feldspar dissolution (2008)
This thesis presents a general kinetic model and its application to feldspar dissolution. In the framework of Monte Carlo methods, the model simulates the stochastic processes of feldspar dissolution...
�Ò � Ð�×××� ¬ �Ø�ÓÒ Ñ�Ø�Ó� × �ÜØ�Ò×�Ú�ÐÝ � � �ÔÔÐ�� � ØÓ �ÔØÙÖ�
Extension of SIAM paper VizCluster and Its Application on Clustering Gene Expression Data (2007)
Li Zhang, Chun Tang, Yuqing Song, Aidong Zhang, Murali Ramanathan
Visualization enables us to find structures, features, patterns and relationships in a dataset by presenting the data in various graphical forms with possible interactions. A visualization can...
Integrating Hypermedia Functionality into Database Applications (2007)
Anirban Bhaumik, Michalis Vaitis, Li Zhang, Deepti Dixit, Michael Bieber, Roberto Galnares, ...
The general goal of our research is to automatically generate links and other hypermedia related services to analytical applications, such as geographic information systems and decision support...
LaTeX2e cmu-techreport 1 Image-Based Multiresolution Modeling by Surface Deformation (2007)
This paper presents a novel approach for constructing multiresolution surface models from a set of calibrated images. The output is a texture-mapped triangular surface mesh that best matches all the...
On variants of block-sorting compression using context from both the left and right
Doron Zeilberger, David Bressoud, Gaurav Bhatnagar, Anders Bjorner, Jonathan Borwein, Francesco Brenti, ...
Two stones build two houses. Three build six houses. Four build four and twenty houses. Five build hundred and twenty houses. Six build Seven hundreds and twenty houses. Seven build five thousands...
Imagebased reconstruction of the great buddha of bamiyan, afghanistan (2007)
Armin Gruen, Fabio Remondino, Li Zhang
In the great valley of Bamiyan, north-west of Kabul, Afghanistan, two big standing Buddha statues were carved out of the sedimentary rock of the region around the second to fourth centuries AD. The...
ABSTRACT SLA Based Profit Optimization in Web Systems (2007)
With the rapid growth of eBusiness, the Web services are becoming a commodity. To reduce the management cost for the IT infrastructure, companies often outsource their IT services to third party...
Wu, Chunlei, Zhao, Haitao, Baggerly, Keith, Carta, Roberto, Zhang, Li
Motivation: In microarray experiments, probe design is critical to the specific and accurate measurement of target concentrations. Current designs select suitable probes through in silico scanning of...
Private Database Queries Using Quantum States with Limited Coherence Times (2007)
We describe a method for private database queries using exchange of quantum states with bits encoded in mutually incompatible bases. For technology with limited coherence time, the database vendor...
Li, Xiaolin, Zhang, Li, Wang, Xinran, Shimoyama, Iwao, Sun, Xiaoming, Seo, Won-Seok, ...
Single-walled carbon nanotubes (SWNTs) exhibit advanced electrical and surface properties useful for high performance nanoelectronics. Important to future manufacturing of nanotube circuits is a...
Xie, Chang-Qing, Zhang, Jifeng, Xiao, Yan, Zhang, Li, Mou, Yongshan, Liu, Xiaowei, ...
Human embryonic stem (hES) cells hold great therapeutic potential for cell transplantation. To date, it remains uncertain whether undifferentiated hES cells can differentiate into cardiac lineage in...
Electrically driven thermal light emission from individual single-walled carbon nanotubes (2007)
Mann, David, Kato, Y. K., Kinkhabwala, Anika, Pop, Eric, Cao, Jien, Wang, Xinran, ...
Light emission from nanostructures exhibits rich quantum effects and has broad applications. Single-walled carbon nanotubes (SWNTs) are one-dimensional (1D) metals or semiconductors, in which large...
Electrically driven thermal light emission from individual single-walled carbon nanotubes (2007)
Mann, David, Kato, Y. K., Kinkhabwala, Anika, Pop, Eric, Cao, Jien, Wang, Xinran, ...
Light emission from nanostructures exhibits rich quantum effects and has broad applications. Single-walled carbon nanotubes (SWNTs) are one-dimensional metals or semiconductors in which large numbers...
Dong, Lixin, Tao, Xinyong, Zhang, Li, Zhang, Xiaobin, Nelson, Bradley J.
With the continuing development of bottom-up nanotechnology fabrication processes, spot welding can play a role similar to its macro counterpart for the interconnection of nano building blocks for...
Bacillus decisifrondis sp. nov., isolated from soil underlying decaying leaf foliage (2007)
Zhang, Li, Xu, Zhihong, Patel, Bharat Kumar
Yes
Li Zhang, Andy M. Yip, Chew Lim Tan
In this paper, we describe a 2-pass iterative scheme to solve the general partial differential equation (PDE) related to the Shape-from-Shading (SFS) problem under both distant and close point light...
The popularity of current hand-held digital imaging devices such as camera phones, PDAs, camcorders has promoted the use of digital cameras to capture document images for daily information recording...
J. Mitsch, Dr. Li Zhang, Amanda Nahlik
PREREQUISITE: Math 151 (calculus) or equivalent and EEOB 413 Principles of Ecology or equivalent. Computer experience is assumed. COURSE DESCRIPTION: Introduction to the principles, history, and...
An Integrated System for Building Enterprise (2007)
Li Zhang, Tao Li, Shixia Liu, Yue Pan
Although considerable research has been conducted in the field of hi-erarchical text categorization, little has been done on automatically collect-ing labeled corpus for building hierarchical...
On-chip COMA cache-coherence protocol for microgrids of microthreaded cores (2007)
This paper describes an on-chip COMA cache coherency protocol to support the microthread model of concurrent program composition. The model gives a sound basis for building multi-core computers as it...
Li Zhang, Yu Zhang, Chew Lim Tan, Senior Member
In document digitization through camera-based systems, simple imaging setups often produce geometric distortions in the resultant 2D images because of the non-planar geometric shapes of certain...
Bacterial Diversity of Australian Exotic Pine Forest Soil and Leaf Litter (2007)
Forest plantations, widely grown for wood production, involve the selective promotion of single tree species, or replacement of natural species by exotic tree species. Slash pine (Pinus elliottii)...
Zhang, Li, Xu, Zhihong, Patel, Bharat Kumar
An aerobic bacterium, designated strain E1HC-02T, was isolated from the decaying leaf litter of a slash pine forest located in southeast Queensland, Australia. Cells of strain E1HC-02T were short...
Bacillus decisifrondis sp. nov., isolated from soil underlying decaying leaf foliage (2007)
Zhang, Li, Xu, Zhihong, Patel, Bharat Kumar
An aerobic bacterium, designated strain E5HC-32T, was isolated from soil underlying the decaying leaf litter of a slash pine forest located in south east Queensland, Australia. The strictly aerobic,...
Free energy of DNA duplex formation on short oligonucleotide microarrays (2007)
Zhang, Li, Wu, Chunlei, Carta, Roberto, Zhao, Haitao
DNA/DNA duplex formation is the basic mechanism that is used in genome tiling arrays and SNP arrays manufactured by Affymetrix. However, detailed knowledge of the physical process is still lacking....
Extracting three-way gene interactions from microarray data (2007)
Zhang, Jiexin, Ji, Yuan, Zhang, Li
Motivation: It is an important and difficult task to extract gene network information from high-throughput genomic data. A common approach is to cluster genes using pairwise correlation as a distance...
Bacterial Diversity of Australian Exotic Pine Forest Soil and Leaf Litter (2007)
Forest plantations, widely grown for wood production, involve the selective promotion of single tree species, or replacement of natural species by exotic tree species. Slash pine (Pinus elliottii)...
Reporting of the Role of the Expert Searcher in Cochrane Reviews (2006)
Li Zhang; University Of Saskatchewan, Margaret Sampson; Chalmers Research Group, Children’s Hospital Of Eastern Ontario Research Institute, Jessie McGowan; Institute Of Population Health, University Of Ottawa
Introduction - This study applied the principles of evidence based information practice to clarify the role of information specialists and librarians in the preparation of Cochrane systematic reviews...
Anomalous coiling of SiGe/Si and SiGe/Si/Cr helical nanobelts (2006)
Zhang, Li, Ruh, Elisabeth, Gruetzmacher, Detlev, Dong, Lixin, Bell, Dominik J., Nelson, Bradley J., ...
The fabrication of nanohelices by the scrolling of strained bilayers is investigated. It is shown that structure design is dominated by edge effects rather than bulk crystal properties such as the...
A.M.: Exploitation in Affect Detection in Improvisational E-Drama (2006)
Li Zhang, John A. Barnden, Robert J. Hendley, Alan M. Wallington
Abstract. We report progress on adding affect-detection to a program for virtual dramatic improvisation, monitored by a human director. To aid the director, we have partially implemented emotion...
Restoring Warped Document Images through 3D Shape Modeling (2006)
Chew Lim Tan, Senior Member, Li Zhang, Zheng Zhang, Tao Xia
Abstract—Scanning a document page from a thick bound volume often results in two kinds of distortions in the scanned image, i.e., shade along the “spine ” of the book and warping in the shade...
Neural basis of cultural influence on self-representation (2006)
Ying Zhu, Li Zhang, B Jin Fan, Shihui Han A
Culture affects the psychological structure of self and results in two distinct types of self-representation (Western independent self and East Asian interdependent self). However, the neural basis...
Exploitation in Affect Detection in Open-ended Improvisational Text (2006)
Li Zhang, John A. Barnden, Robert J. Hendley, Alan M. Wallington
We report progress on adding affectdetection to a program for virtual dramatic improvisation, monitored by a human director. We have developed an affect-detection module to control an automated...
Li Zhang, Chunlei Wu, Roberto Carta, Haitao Zhao
DNA/DNA duplex formation is the basic mechanism that is used in genome tiling arrays and SNP arrays manufactured by Affymetrix. However, detailed knowledge of the physical process is still lacking....
Developments in Affect Detection in Edrama (2006)
Li Zhang, John A. Barnden, Robert J. Hendley, Alan M. Wallington
We report work 1 in progress on adding affect-detection to an existing program for virtual dramatic improvisation, monitored by a human director. To partially automate the directors ’ functions, we...
Exploitation in Affect Detection in Open-ended Improvisational Text (2006)
Li Zhang, John A. Barnden, Robert J. Hendley, Alan M. Wallington
We report progress on adding affectdetection to a program for virtual dramatic improvisation, monitored by a human director. We have developed an affect-detection module to control an automated...
Salsa: Scalable Asynchronous Replica Exchange for Parallel Molecular Dynamics Applications (2006)
Abstract — This paper presents Salsa, a novel, decentralized and asynchronous realization of the “replica exchange ” algorithm for simulating the structure, function, folding, and dynamics of...
Salsa: Scalable Asynchronous Replica Exchange for Parallel Molecular Dynamics Applications (2006)
Abstract — This paper presents Salsa, a novel, decentralized and asynchronous realization of the “replica exchange ” algorithm for simulating the structure, function, folding, and dynamics of...
Developments in Affect Detection in Edrama (2006)
Li Zhang, John A. Barnden, Robert J. Hendley, Alan M. Wallington
We report work 1 in progress on adding affect-detection to an existing program for virtual dramatic improvisation, monitored by a human director. To partially automate the directors ’ functions, we...
Abstract. While large-scale parallel/distributed simulations are rapidly becoming critical research modalities in academia and industry, their efficient and scalable parallel implementations present...
Fang Wu, Li Zhang, Bernardo A. Huberman
Abstract We present a mechanism for reservations of bursty resources that is both truthful and robust. It consists of option contracts whose pricing structure induces users to reveal the true...
Sun, Zhi-Peng, Liu, Lang, Zhang, Li, Jia, Dian-Zeng
ZnO nano-rods are prepared by one-step solid-state reaction of zinc acetate dihydrate, sodium hydroxide and cetyltrimethylammonium bromide (CTAB) at room temperature. The samples are characterized by...
Sampson, Margaret, Zhang, Li, Morrison, Andra, Barrowman, Nicholas J, Clifford, Tammy J, Platt, Robert, ...
Margaret Sampson: msampson@uottawa.ca; Li Zhang: li.zhang@usask.ca; Andra Morrison: andram@cadth.ca; Nicholas J Barrowman: nbarrowman@cheo.on.ca; Tammy J Clifford: tammyc@cadth.ca; Robert W Platt:...
Optimizing search strategies to identify randomized controlled trials in MEDLINE (2006)
Zhang, Li, Ajiferuke, Isola, Sampson, Margaret
Background The Cochrane Highly Sensitive Search Strategy (HSSS), which contains three phases, is widely used to identify Randomized Controlled Trials (RCTs) in MEDLINE. Lefebvre and Clarke suggest...
Reporting of the role of the expert searcher in Cochrane Reviews (2006)
Zhang, Li, Sampson, Margaret, McGowan, Jessie
Li Zhang Information Services Librarian University of Saskatchewan Library Saskatoon, Saskatchewan, Canada Eà ¢ mail: li.zhang@usask.ca Margaret Sampson Senior Information Specialist Chalmers...
Sampson, Margaret, Barrowman, Nicholas J., Moher, David, Clifford, Tammy J., Platt, Robert W., Morrison, Andra, ...
Sampson, Margaret, Barrowman, Nicholas, Moher, David, Clifford, Tammy, Platt, Robert, Morrison, Andra, ...
BACKGROUND:Most electronic search efforts directed at identifying primary studies for inclusion in systematic reviews rely on the optimal Boolean search features of search interfaces such as DIALOG®...
Sampson, Margaret, Zhang, Li, Morrison, Andra, Barrowman, Nicholas J, Clifford, Tammy J, Platt, Robert, ...
Margaret Sampson: msampson@uottawa.ca; Li Zhang: li.zhang@usask.ca; Andra Morrison: andram@cadth.ca; Nicholas J Barrowman: nbarrowman@cheo.on.ca; Tammy J Clifford: tammyc@cadth.ca; Robert W Platt:...
Optimizing search strategies to identify randomized controlled trials in MEDLINE (2006)
Zhang, Li, Ajiferuke, Isola, Sampson, Margaret
Background The Cochrane Highly Sensitive Search Strategy (HSSS), which contains three phases, is widely used to identify Randomized Controlled Trials (RCTs) in MEDLINE. Lefebvre and Clarke suggest...
Reporting of the role of the expert searcher in Cochrane Reviews (2006)
Zhang, Li, Sampson, Margaret, McGowan, Jessie
Li Zhang Information Services Librarian University of Saskatchewan Library Saskatoon, Saskatchewan, Canada Eà à à ¢ mail: li.zhang@usask.ca Margaret Sampson Senior Information Specialist...
Sampson, Margaret, Barrowman, Nicholas J., Moher, David, Clifford, Tammy J., Platt, Robert W., Morrison, Andra, ...
Sheng-Wei Jin, Li Zhang, Qin-Quan Lian, Shang-Long Yao, Ping Wu, Xiao-Yan Zhou, ...
Aim. To investigate the role of Ca2+ release-activated Ca2+ (CRAC) channels in the ROS production in macrophages. Methods. The intracellular [Ca2+]i was analyzed by confocal laser microscopy. The...
A descent modified Polak-Ribiere-Polyak conjugate gradient method and its global convergence (2006)
Zhang, Li, Zhou, Weijun, Li, Dong-Hui
In this paper, we propose a modified Polak–Ribière–Polyak (PRP) conjugate gradient method. An attractive property of the proposed method is that the direction generated by the method is always a...
Ostrin, Edwin J., Li, Yumei, Hoffman, Kristi, Liu, Jing, Wang, Keqing, Zhang, Li, ...
The discovery of direct downstream targets of transcription factors (TFs) is necessary for understanding the genetic mechanisms underlying complex, highly regulated processes such as development. In...
Dorus, Steve, Anderson, Jeffrey R., Vallender, Eric J., Gilbert, Sandra L., Zhang, Li, Chemnick, Leona G., ...
Sonic Hedgehog (SHH) is one of the most intensively studied genes in developmental biology. It is a highly conserved gene, found in species as diverse as arthropods and mammals. The mammalian SHH...
Bhasi, Kavitha, Zhang, Li, Brazeau, Daniel, Zhang, Aidong, Ramanathan, Murali
The size, dimensionality and the limited range of the data values makes visualization of single nucleotide polymorphism (SNP) datasets challenging. The purpose of this study is to evaluate the...
Free energy of DNA duplex formation on short oligonucleotide microarrays (2006)
Zhang, Li, Wu, Chunlei, Carta, Roberto, Zhao, Haitao
DNA/DNA duplex formation is the basic mechanism that is used in genome tiling arrays and SNP arrays manufactured by Affymetrix. However, detailed knowledge of the physical process is still lacking....
Mense, Sarah M., Sengupta, Amitabha, Lan, Changgui, Zhou, Mei, Bentsman, Galina, Volsky, David J., ...
Given the widespread use of insecticides in the environment, it is important to perform studies evaluating their potential effects on humans. Organophosphate insecticides, such as chlorpyrifos, are...
Mense, Sarah M., Sengupta, Amitabha, Lan, Changgui, Zhou, Mei, Bentsman, Galina, Volsky, David J., ...
Given the widespread use of insecticides in the environment, it is important to perform studies evaluating their potential effects on humans. Organophosphate insecticides, such as chlorpyrifos, are...
Bhasi, Kavitha, Zhang, Li, Brazeau, Daniel, Zhang, Aidong, Ramanathan, Murali
The size, dimensionality and the limited range of the data values makes visualization of single nucleotide polymorphism (SNP) datasets challenging. The purpose of this study is to evaluate the...
Ostrin, Edwin J., Li, Yumei, Hoffman, Kristi, Liu, Jing, Wang, Keqing, Zhang, Li, ...
The discovery of direct downstream targets of transcription factors (TFs) is necessary for understanding the genetic mechanisms underlying complex, highly regulated processes such as development. In...
VizStruct for visualization of genome-wide SNP analyses (2006)
Bhasi, Kavitha, Zhang, Li, Brazeau, Daniel, Zhang, Aidong, Ramanathan, Murali
Motivation: The size, dimensionality and the limited range of the data values make visualization of single nucleotide polymorphism (SNP) datasets challenging. The purpose of this study is to evaluate...
Dorus, Steve, Anderson, Jeffrey R., Vallender, Eric J., Gilbert, Sandra L., Zhang, Li, Chemnick, Leona G., ...
Sonic Hedgehog (SHH) is one of the most intensively studied genes in developmental biology. It is a highly conserved gene, found in species as diverse as arthropods and mammals. The mammalian SHH...
Bhasi, Kavitha, Zhang, Li, Brazeau, Daniel, Zhang, Aidong, Ramanathan, Murali
The size, dimensionality and the limited range of the data values makes visualization of single nucleotide polymorphism (SNP) datasets challenging. The purpose of this study is to evaluate the...
Free energy of DNA duplex formation on short oligonucleotide microarrays (2006)
Zhang, Li, Wu, Chunlei, Carta, Roberto, Zhao, Haitao
DNA/DNA duplex formation is the basic mechanism that is used in genome tiling arrays and SNP arrays manufactured by Affymetrix. However, detailed knowledge of the physical process is still lacking....
BMC Medical Research Methodology (2006)
Biomed Central, Li Zhang, Isola Ajiferuke, Margaret Sampson, Open Access
Research article Optimizing search strategies to identify randomized controlled trials in MEDLINE
Li Zhang, Weijun Zhou, Dong-hui Li
doi:10.1093/imanum/drl016 A descent modified Polak–Ribière–Polyak conjugate gradient method and its global convergence
Truth-telling Reservations (2005)
Fang Wu, Li Zhang, Bernardo A. Huberman
Abstract. We present a mechanism for reservations of bursty resources that is both truthful and robust. It consists of option contracts whose pricing structure induces users to reveal the true...
Affect detection and metaphor in e-drama (2005)
Li Zhang, John A. Barnden, Robert J. Hendley, Mark G. Lee, Alan M. Wallington, Zhigang Wen
Abstract: We report work on adding affect-detection to an existing e-drama programme, a text-based software system for (human) dramatic improvisation in simple virtual scenarios, for use primarily in...
A fast and stable approach for restoration of warped document images (2005)
Kok Beng Chua, Li Zhang, Yu Zhang, Chew Lim Tan
We present a framework for acquiring and restoring images of warped documents to their original planar shapes. Image capturing of warped documents often results in warped images. Most digital...
Ensuring trust in one time exchanges: Solving the QoS problem (2005)
Bernardo A. Huberman, Fang Wu, Li Zhang
We describe a pricing structure for the provision of IT services that ensures trust without requiring repeated interactions between service providers and users. It does so by offering a pricing...
Li Zhang, R. Saravanan, Wilford D. Gardner
develop a quantitative test to validate the null hypothesis that low-frequency varia-tion of ENSO predictability may be caused by stochastic processes. Three “perfect model scenario ” prediction...
An input weights aware synthesis tool for threshold logic networks (2005)
Abstract — In this paper we present a TL specific synthesis tool that aims to exploit the specific characteristics of TL gates, especially the possibility to assign weights larger than one to TL...
Ann Melissa Campbell, Timothy J. Lowe, Li Zhang
1 In transportation and telecommunication systems, the performance of the underlying network can often be improved by upgrading some of the arcs in the network. If an arc is upgraded, the travel time...
GLIDER: Gradient landmark-based distributed routing for sensor networks (2005)
Qing Fang, Jie Gao, Leonidas J. Guibas, Vin Silva, Li Zhang
Routing (GLIDER), a novel naming/addressing scheme and associated routing algorithm, for a network of wireless communicating nodes. We assume that the nodes are fixed (though their geographic...
Kevin Lai, Lars Rasmusson, Eytan Adar, Li Zhang, Bernardo A. Huberman
Distributed clusters like the Grid and PlanetLab enable the same statistical multiplexing efficiency gains for computing as the Internet provides for networking. One major challenge is allocating...
Sequence dependence of cross-hybridization on short oligo microarrays (2005)
Wu, Chunlei, Carta, Roberto, Zhang, Li
One of the critical problems in the short oligo microarray technology is how to deal with cross-hybridization that produces spurious data. Little is known about the details of cross-hybridization...
Wetmur, James G., Kumar, Madhu, Zhang, Li, Palomeque, Caroline, Wallenstein, Sylvan, Chen, Jia
Linking emulsion PCR (LE-PCR) enables formation of minichromosomes preserving phase information of two polymorphic loci, hence the haplotype. Emulsion PCR confines two amplicons of two linked...
Human cord blood cells induce angiogenesis following myocardial infarction in NOD/scid-mice (2005)
Ma, Nan, Stamm, Christof, Kaminski, Alexander, Li, Wenzhong, Kleine, Hans-Dieter, Müller-Hilke, Brigitte, ...
Objective: We tested the hypothesis that intravenously administered human umbilical cord blood (hUCB) cells contribute to repair processes following myocardial infarction. Methods: hUCB mononuclear...
Zhang, Li, Shimoji, Mika, Thomas, Bobby, Moore, Darren J., Yu, Seong-Woon, Marupudi, Neena I., ...
Both homozygous (L166P, M26I, deletion) and heterozygous mutations (D149A, A104T) in the DJ-1 gene have been identified in Parkinson's disease (PD) patients. The biochemical function and subcellular...
Gene sequence signatures revealed by mining the UniGene affiliation network (2005)
Zhang, Jiexin, Zhang, Li, Coombes, Kevin R.
Background: In the post-genomic era, developing tools to decode biological information from genomic sequences is important. Inspired by affiliation network theory, we investigated gene sequences of...
Association of DJ-1 and parkin mediated by pathogenic DJ-1 mutations and oxidative stress (2005)
Moore, Darren J., Zhang, Li, Troncoso, Juan, Lee, Michael K., Hattori, Nobutaka, Mizuno, Yoshikuni, ...
The identification of rare monogenic forms of Parkinson's disease (PD) has provided tremendous insight into the molecular pathogenesis of this disorder. Heritable mutations in α-synuclein, parkin,...
Ultrasound-based wireless pressure sensing for injection molding process monitoring (2004)
A new sensing methodology utilizing ultrasound as the information carrier for injection mold cavity pressure measurement has been developed in this research. The technique enables wireless data...
Efficiently serving dynamic data at highly accessed Web sites (2004)
James R. Challenger, Paul Dantzig, Arun Iyengar, Senior Member, Mark S. Squillante, Li Zhang
Abstract—We present architectures and algorithms for efficiently serving dynamic data at highly accessed Web sites together with the results of an analysis motivating our design and quantifying its...
Li Zhang, Xuelu Wang, Brian A. Larkins, Rongling Wu, Physiol Genomics, ...
You might find this additional information useful... This article cites 29 articles, 19 of which you can access free at:
Pankaj K. Agarwal, Leonidas Guibas, Li Zhang, Daniel Russel
In this paper, we propose to study deformable necklaces — flexible chains of balls, called beads, in which only adjacent balls may intersect. Such objects can be used to model macromolecules,...
Armin Gruen, Fabio Remondino, Li Zhang
In this paper we present the modeling and visualization of the cultural heritage area of Bamiyan, Afghanistan. The region is situated ca 200 km north-west of Kabul and it was one of the major...
Retrieving imaged documents in digital libraries based on word image coding (2004)
Yue Lu, Li Zhang, Chew Lim Tan
A great number of documents are scanned and archived in the form of digital images in digital libraries, to make them available and accessible in the Internet. Information retrieval in these imaged...
Fractionally cascaded information in a sensor network (2004)
Jie Gao, Leonidas J. Guibas, John Hershberger, Li Zhang
We address the problem of distributed information aggregation and storage in a sensor network, where queries can be injected anywhere in the network. The principle we propose is that a sensor should...
Retrieving imaged documents in digital libraries based on word image coding (2004)
Yue Lu, Li Zhang, Chew Lim Tan
A great number of documents are scanned and archived in the form of digital images in digital libraries, to make them available and accessible in the Internet. Information retrieval in these imaged...
A smart hill-climbing algorithm for application server configuration (2004)
Bowei Xi, Cathy H. Xia, Zhen Liu, Li Zhang, Mukund Raghavachari
The overwhelming success of the Web as a mechanism for facilitating information retrieval and for conducting business transactions has led to an increase in the deployment of complex enterprise...
Exploring threshold-base policies for load sharing (2004)
Takayuki Osogami, Alan Scheller-wolf, Mor Harchol-balter, Li Zhang
We consider the problem of how to design resource allocation policies that both provide good performance at predicted environmental conditions and are robust against changes or misprediction of the...
An adaptive threshold-based policy for sharing servers with affinities (2004)
Takayuki Osogami, Alan Scheller-wolf, Mor Harchol-balter, Li Zhang
A smart hill-climbing algorithm for application server configuration (2004)
Bowei Xi, Cathy H. Xia, Zhen Liu, Li Zhang, Mukund Raghavachari
The overwhelming success of the Web as a mechanism for facilitating information retrieval and for conducting business transactions has led to an increase in the deployment of complex enterprise...
Fig 1. Accessibility Analysis (2004)
Project Title Regbase, Principal Investigators, Kincho H. Law, Gio Wiederhold, Gloria T. Lau, Xiaoshan Pan, ...
o provide appropriate evaluation (and possibly critics) of the sufficiency and performance of the regulations. Fig. 2 illustrates the potential use of simulation tool to evaluate new guidelines and...
Tycoon: an Implemention of a Distributed Market-Based Resource Allocation System (2004)
Kevin Lai, Lars Rasmusson, Eytan Adar, Stephen Sorkin, Li Zhang, Bernardo A. Huberman
Distributed clusters like the Grid and PlanetLab enable the same statistical multiplexing efficiency gains for computing as the Internet provides for networking. One major challenge is allocating...
An adaptive threshold-based policy for sharing servers with affinities (2004)
Takayuki Osogami, Alan Scheller-wolf, Mor Harchol-balter, Li Zhang
Focused named entity recognition using machine learning (2004)
been issued as a Research Report for early dissemination of its contents. In view of the transfer of copyright to the outside publisher, its distribution outside of IBM prior to publication should be...
Fractionally cascaded information in a sensor network (2004)
Jie Gao, Leonidas J. Guibas, John Hershberger, Li Zhang
We address the problem of distributed information aggregation and storage in a sensor network, where queries can be injected anywhere in the network. The principle we propose is that a sensor should...
Association of DJ-1 and Parkin mediated by pathogenic DJ-1 mutations and oxidative stress (2004)
Moore, Darren J., Zhang, Li, Troncoso, Juan, Lee, Michael K., Hattori, Nobutaka, Mizuno, Yoshikuni, ...
The identification of rare monogenic forms of Parkinson's disease (PD) has provided tremendous insight into the molecular pathogenesis of this disorder. Heritable mutations in α-synuclein, parkin,...
VizStruct: exploratory visualization for gene expression profiling (2004)
Zhang, Li, Zhang, Aidong, Ramanathan, Murali
Motivation: DNA arrays provide a broad snapshot of the state of the cell by measuring the expression levels of thousands of genes simultaneously. Visualization techniques can enable the exploration...
Association of DJ-1 and Parkin mediated by pathogenic DJ-1 mutations and oxidative stress (2004)
Moore, Darren J., Zhang, Li, Troncoso, Juan, Lee, Michael K., Hattori, Nobutaka, Mizuno, Yoshikuni, ...
The identification of rare monogenic forms of Parkinson's disease (PD) has provided tremendous insight into the molecular pathogenesis of this disorder. Heritable mutations in α-synuclein, parkin,...
On the complexity of distance-based evolutionary tree reconstruction (2003)
Valerie King, Li Zhang, Yunhong Zhou
y\Lambda
Well-separated pair decomposition for the unit-disk graph metric and its applications (2003)
Abstract. We extend the classic notion of well-separated pair decomposition [10] to the unit-disk graph metric: the shortest path distance metric induced by the intersection graph of unit disks. We...
Li Zhang, Peter B. Luh, Krishnan Kasiviswanathan
Abstract—The energy market clearing prices (MCPs) in deregulated power markets are volatile. Good MCP prediction and its confidence interval estimation will help utilities and independent power...
Image-based Automated Reconstruction of the (2003)
Great Buddha Of, Armin Gruen, Fabio Remondino, Li Zhang
In the great valley of Bamiyan, Afghanistan, two big standing Buddha statues were carved out of the sedimentary rock of the region around the second to fourth centuries AD. The larger statue was 53...
Li Zhang, Brian Curless, Aaron Hertzmann, Steven M. Seitz
This paper presents an algorithm for computing optical flow, shape, motion, lighting, and albedo from an image sequence of a rigidly-moving Lambertian object under distant illumination. The problem...
On Matching Nodes Between Trees (2003)
Consider two rooted leaf-labeled trees T 1 , T 2 . Define the similarity between two internal nodes, one from each tree, to be |A#B| , where A, B are the sets of the leaves under the two nodes,...
Designing Metaschemas for the UMLS Enriched Semantic (2003)
Network Li Zhang, Li Zhang, Yehoshua Perl, Michael Halper, James Geller, Li Zhang Ms
The Enriched Semantic Network (ESN) has previously been presented as an enhancement of the Semantic Network (SN) of the UMLS. The ESN's hierarchy is a DAG (Directed Acyclic Graph) structure...
Discrete Mobile Centers (2003)
Jie Gao, Leonidas J. Guibas, John Hershberger, Li Zhang, An Zhu
We propose a new randomized algorithm for maintaining a set of clusters among moving nodes in the plane. Given a specified cluster radius, our algorithm selects and maintains a variable subset of the...
Well-Separated Pair Decomposition for the Unit-Disk Graph Metric and its Applications (2003)
We extend the classic notion of well-separated pair decomposition [10] to the (weighted) unit-disk graph metric: the shortest path distance metric induced by the intersection graph of unit disks. We...
Pankaj K. Agarwal, Leonidas Guibas, Li Zhang, Daniel Russel
In this paper, we propose to study deformable necklaces — flexible chains of balls, called beads, in which only adjacent balls may intersect. Such objects can be used to model macromolecules,...
Kavitha Bhasi, Li Zhang, Aidong Zhang, Murali Ramanathan
Purpose. Data visualization techniques for the pharmaceutical sciences have not been extensively investigated. The purpose of this study was to evaluate the usefulness of VizStruct, a...
On the complexity of distance-based evolutionary tree reconstruction (2003)
Valerie King, Valerie King, Li Zhang, Li Zhang, Yunhong Zhou, Yunhong Zhou
evolutionary tree reconstruction, algorithm, complexity, bioinformatics We give the first tight lower bounds on the complexity of reconstructing k-ary evolutionary trees from additive distance data....
Well-separated pair decomposition for the unit-disk graph metric and its applications (2003)
We extend the classic notion of well-separated pair decomposition [10] to the (weighted) unit-disk graph metric: the shortest path distance metric induced by the intersection graph of unit disks. We...
On the complexity of distance-based evolutionary tree reconstruction (2003)
Valerie King, Li Zhang, Yunhong Zhou
We give the first tight lower bounds on the complexity of reconstructing k-ary evolutionary trees from additive distance data. We also consider the problem under DNA-based distance estimation...
Li, Xian-Zhi, Zhang, Li, McKay, Geoffrey A., Poole, Keith
Stenotrophomonas maltophilia is an emerging nosocomial pathogen that displays high-level intrinsic resistance to multiple antibiotics including aminoglycosides. A gene [aac(6′)-Iz]...
Functional genetic selection of the decoding center in E. coli 16s rRNA (2003)
Zhang, Li, Sato, Neuza Satomi, Watanabely, Kimitsuna, Suzuki, Tsutomu
Ribosomal RNAs (rRNAs) play crucial roles in protein biosynthesis. The decoding center of 16s rRNA in 30s subunit affords a place for interaction between mRNA and tRNA, and contributes to the...
Li, Xian-Zhi, Zhang, Li, McKay, Geoffrey A., Poole, Keith
Stenotrophomonas maltophilia is an emerging nosocomial pathogen that displays high-level intrinsic resistance to multiple antibiotics including aminoglycosides. A gene [aac(6')-Iz] encoding an...
Functional genetic selection of the decoding center in E. coli 16s rRNA (2003)
Zhang, Li, Sato, Neuza Satomi, Watanabely, Kimitsuna, Suzuki, Tsutomu
Li, Xian-Zhi, Zhang, Li, McKay, Geoffrey A., Poole, Keith
Stenotrophomonas maltophilia is an emerging nosocomial pathogen that displays high-level intrinsic resistance to multiple antibiotics including aminoglycosides. A gene [aac(6')-Iz] encoding an...
Myriad: cost-effective disaster tolerance (2002)
Fay Chang, Minwen Ji, John Maccormick, Sharon E. Perl, Li Zhang
This paper proposes a new approach for achieving disaster tolerance in large, geographically-distributed storage systems. The system, called Myriad, can achieve the same level of disaster tolerance...
Rapid shape acquisition using color structured light and multi-pass dynamic programming (2002)
Li Zhang, Brian Curless, Steven M. Seitz
Figure 1. In this paper, we show how to reconstruct the shape of a scene, such as the two hands shown on the left, given a single photograph of the scene under color-striped illumination shown at...
Speech Recognition Using Syllable Patterns (2002)
This paper presents an account of the use of syllable structure as the basis for a novel approach to speech recognition. This contrasts with the serial organization of more conventional phonetic...
Rapid shape acquisition using color structured light and multi-pass dynamic programming (2002)
Li Zhang, Brian Curless, Steven M. Seitz
Figure 1. In this paper, we show how to reconstruct the shape of a scene, such as the two hands shown on the left, given a single photograph of the scene under color-striped illumination shown at...
Myriad: cost-effective disaster tolerance (2002)
Fay Chang, Minwen Ji, John Maccormick, Sharon E. Perl, Li Zhang
This paper proposes a new approach for achieving disaster tolerance in large, geographically-distributed storage systems. The system, called Myriad, can achieve the same level of disaster tolerance...
Rapid shape acquisition using color structured light and multi-pass dynamic programming (2002)
Li Zhang, Brian Curless, Steven M. Seitz
Figure 1. In this paper, we show how to reconstruct the shape of a scene, such as the two hands shown on the left, given a single photograph of the scene under color-striped illumination shown at...
Clustering algorithms for content-based publication-subscription systems (2002)
Anton Riabov, Zhen Liu, Joel L. Wolf, Philip S. Yu, Li Zhang
We consider efficient communication schemes based on both network-supported and application-level multicast techniques for content-based publication-subscription systems. We show that the...
Enriching the Structure of the UMLS Semantic Network (2002)
Li Zhang Yehoshua, Li Zhang, Yehoshua Perl, Michael Halper, James Geller, James J. Cimino
this paper, we introduce a methodology for identifying "missing" IS-A links and adding them to the SN. This process transforms the SN into a Directed Acyclic Graph (DAG) structure, with...
Matching of Ikonos Stereo and Multitemporal GEO Images for DSM Generation (2002)
Li Zhang Maria, Li Zhang, Maria Pateraki, Emmanuel Baltsavias
Investigations on the use of stereo GEO and multitemporal GEO Ikonos images for DSM generation are reported. Both an own developed matching algorithm and the digital photogrammetric systems LH...
Deformable free-space tilings for kinetic collision detection (2002)
Pankaj K. Agarwal, Julien Basch, Leonidas J. Guibas, John Hershberger, Li Zhang
We present kinetic data structures for detecting collisions between a set of polygons that are moving continuously. Unlike classical collision detection methods that rely on bounding volume...
Single view modeling of free-form scenes (2001)
Li Zhang, Guillaume Dugas-phocion, Jean-sebastien Samson, Steven M. Seitz
This paper presents a novel approach for reconstructing free-form, texture-mapped, 3D scene models from a single painting or photograph. Given a sparse set of user-specified constraints on the local...
Geometric Spanner for Routing in Mobile Networks (2001)
Jie Gao, Leonidas J. Guibas, John Hershberger, Li Zhang, An Zhu
Abstract—We propose a new routing graph, the restricted Delaunay graph (RDG), for mobile ad hoc networks. Combined with a node clustering algorithm, the RDG can be used as an underlying graph for...
Discrete Mobile Centers (2001)
Jie Gao, Leonidas J. Guibas, John Hershberger, Li Zhang, An Zhu
We propose a new randomized algorithm for maintaining a set of clusters among moving nodes in the plane. Given a specified cluster radius, our algorithm selects and maintains a variable subset of the...
Discrete Mobile Centers (2001)
Jie Gao, Leonidas J. Guibas, John Hershberger, Li Zhang, An Zhu
We propose a new randomized algorithm for maintaining a set of clusters among moving nodes in the plane. Given a specified cluster radius, our algorithm selects and maintains a variable subset of the...
Generating a 3D Model of a Bayon Tower Using Non-metric Imagery (2001)
Jana Visnovcova, Li Zhang, Armin Gruen
The Hindu and Buddhist monuments of Angkor in Cambodia are the legacy of highly developed Khmer empires. Well-known for their structural and surface complexity they constitute a great challenge to...
Enhanced functional annotation of protein sequences via the use of structural descriptors (2001)
Naomi Siew, Brian T. Hoffman, Li Zhang, Jeffrey Skolnick, Lorna I. Neilson, ...
In order to circumvent limitations of sequence based methods in the process of making functional predictions for proteins, we have developed a methodology that uses a...
Discrete Mobile Centers (2001)
Jie Gao, Leonidas J. Guibas, John Hershberger, Li Zhang, An Zhu
We propose a new randomized algorithm for maintaining a set of clusters among moving nodes in the plane. Given a specified cluster radius, our algorithm selects and maintains a variable subset of the...
Geometric Spanner for Routing in Mobile Networks (2001)
Jie Gao, Leonidas J. Guibas, John Hershberger, Li Zhang, An Zhu
We propose a new routing graph, the Restricted Delaunay Graph (RDG), for ad hoc networks. Combined with a node clustering algorithm, RDG can be used as an underlying graph for geographic routing...
Geometric Spanner for Routing in Mobile Networks (2001)
Jie Gao, Leonidas J. Guibas, John Hershberger, Li Zhang, An Zhu
We propose a new routing graph, the Restricted Delaunay Graph (RDG), for ad hoc networks. Combined with a node clustering algorithm, RDG can be used as an underlying graph for geographic routing...
Radiometric And Geometric Evaluation Of Ikonos Geo Images And Their (2001)
Use For Building, Emmanuel Baltsavias, Maria Pateraki, Li Zhang
Investigations on the radiometric and geometric characteristics of IKONOS Geo satellite imagery and its use for orthoimage generation and 3D building reconstruction are reported. The paper first...
Geometric Spanner for Routing in Mobile Networks (2001)
Jie Gao, Leonidas J. Guibas, John Hershberger, Li Zhang, An Zhu
We propose a new routing graph, the Restricted Delaunay Graph (RDG), for mobile ad hoc networks. Combined with a node clustering algorithm, the RDG can be used as an underlying graph for geographic...
Towards Hypermedia Support for Database Systems (2001)
Anirban Bhaumik, Michalis Vaitis, Li Zhang, Deepti Dixit, Michael Bieber, Roberto Galnares, ...
Using a dynamic hypermedia engine (DHE), we propose to automate the following features for database systems, both on and off the Web. First we automatically generate links based on the...
Discrete Mobile Centers (2001)
Jie Gao, Leonidas J. Guibas, John Hershberger, Li Zhang, An Zhu
We propose a new randomized algorithm for maintaining a set of clusters among moving nodes in the plane. Given a specified cluster radius, our algorithm selects and maintains a variable subset of the...
Radiometric And Geometric Evaluation Of Ikonos Geo Images And Their (2001)
Use For Building, Emmanuel Baltsavias, Maria Pateraki, Li Zhang
Investigations on the radiometric and geometric characteristics of IKONOS Geo satellite imagery and its use for orthoimage generation and 3D building reconstruction are reported. The paper first...
Geometric Spanner for Routing in Mobile Networks (2001)
Jie Gao, Leonidas J. Guibas, John Hershberger, Li Zhang, An Zhu
Abstract — We propose a new routing graph, the Restricted Delaunay Graph (RDG), for mobile ad hoc networks. Combined with a node clustering algorithm, the RDG can be used as an underlying graph for...
Discrete Mobile Centers (2001)
Jie Gao, Leonidas J. Guibas, John Hershberger, Li Zhang, An Zhu
We propose a new randomized algorithm for maintaining a set of clusters among moving nodes in the plane. Given a specified cluster radius, our algorithm selects and maintains a variable subset of the...
Zhang, Li, Li, Xian-Zhi, Poole, Keith
The antibacterial activities of seven fluoroquinolones (ciprofloxacin, BAYy3118, clinafloxacin, gemifloxacin, moxifloxacin, sparfloxacin and trovafloxacin) against isogenic efflux-mediated...
Deformable free space tilings for kinetic collision detection (2000)
Pankaj K. Agarwal, Julien Basch, Leonidas J. Guibas, John Hershberger, Li Zhang
We present kinetic data structures for detecting collisions between a set of polygons that are not only moving continuously but whose shapes can also change continuously with time. We construct a...
Compact voronoi diagrams for moving convex polygons (2000)
Leonidas Guibas, Jack Snoeyink, Li Zhang
We describe a kinetic data structure for maintaining a compact Voronoi-like diagram of convex polygons moving around in the plane. We use a compact diagram for the polygons, dual to the Voronoi,...
Deformable free space tilings for kinetic collision detection (2000)
Pankaj K. Agarwal, Julien Basch, Leonidas J. Guibas, John Hershberger, Li Zhang
We present kinetic data structures for detecting collisions between a set of polygons that are not only moving continuously but whose shapes can also vary continuously with time. Unlike classical...
On incremental rendering of silhouette maps of a polyhedral scene (2000)
Alon Efrat, Leonidas J. Guibas, Li Zhang
We consider the problem of incrementally rendering a polyhedral scene while the viewpoint is moving. In practical situations the number of geometric primitives to be rendered can be very large---...
Fault tolerant networks with small degree (2000)
In this paper, we study the design of fault tolerant networks for arrays and meshes by adding redundant nodes and edges. For a target graph G (linear array or mesh in this paper), a graph G # is...
A Hierarchical Method for Real-Time Distance Computation among Moving Convex Bodies (2000)
Lenoidas Guibas David, David Hsu, Li Zhang
This paper presents the Hierarchical Walk, or H-Walk algorithm, which maintains the distance between two moving convex bodies by exploiting both motion coherence and hierarchical representations. For...
Deformable Free Space Tilings for Kinetic Collision Detection (2000)
Pankaj K. Agarwal, Julien Basch, Leonidas J. Guibas, John Hershberger, Li Zhang
We present kinetic data structures for detecting collisions between a set of polygons that are not only moving continuously but whose shapes can also vary continuously with time. Unlike classical...
Kinetic Connectivity for Unit Disks (2000)
Leonidas Guibas, John Hershberger, Subhash Suri, Li Zhang
We describe a kinetic data structure (KDS) that maintains the connected components of the union of a set of unit-radius disks moving in the plane. We assume that the motion of each disk can be...
A Hierarchical Method for Real-Time Distance Computation among Moving Convex Bodies (2000)
Lenoidas Guibas David, David Hsu, Li Zhang
This paper presents the Hierarchical Walk, or H-Walk algorithm, which maintains the distance between two moving convex bodies by exploiting both motion coherence and hierarchical representations. For...
LaTeX2e cmu-techreport 1 Image-Based Multiresolution Modeling by Surface (2000)
This paper presents a novel approach for constructing multiresolution surface models from a set of calibrated images. The output is a texture-mapped triangular surface mesh that best matches all the...
Compact voronoi diagrams for moving convex polygons (2000)
Leonidas Guibas, Jack Snoeyink, Li Zhang
We describe a kinetic data structure for maintaining a compact Voronoi-like diagram of convex polygons moving around in the plane. We use a compact diagram for the polygons, dual to the Voronoi,...
Fault tolerant networks with small degree (2000)
In this paper, we study the design of fault tolerant networks for arrays and meshes by adding redundant nodes and edges. For a target graph G (linear array or mesh in this paper), a graph G ′ is...
Kinetic connectivity for unit disks (2000)
Leonidas Guibas, John Hershberger, Subhash Suri, Li Zhang
We describe a kinetic data structure (KDS) that maintains the connected components of the union of a set of unit-radius disks moving in the plane. We assume that the motion of each disk can be...
Deformable free space tilings for kinetic collision detection (2000)
Pankaj K. Agarwal, Julien Basch, Leonidas J. Guibas, John Hershberger, Li Zhang
We present kinetic data structures for detecting collisions between a set of polygons that are not only moving continuously but whose shapes can also vary continuously with time. Unlike classical...
Lenoidas J. Guibas, David Hsu, Li Zhang
This paper presents the Hierarchical Walk, or H-Walk algorithm, which maintains the distance between two moving convex bodies by exploiting both motion coherence and hierarchical representations. For...
Li, Xian-Zhi, Zhang, Li, Poole, Keith
MexAB-OprM is a constitutively expressed multidrug efflux system of Pseudomonas aeruginosa. Using isogenic pump mutants, the contributions of the MexAB-OprM efflux pump and the outer membrane barrier...
Kinetic collision detection between two simple polygons (1999)
Julien Basch, Jeff Erickson, Leonidas J. Guibas, John Hershberger, Li Zhang
We design a kinetic data structure for detecting collisions between two simple polygons in motion. In order to do so, we create a planar subdivision of the free space between the two polygons, called...
Kinetic collision detection between two simple polygons (1999)
Julien Basch, Je Erickson, Leonidas J. Guibas, John Hershberger, Li Zhang
We design a kinetic data structure for detecting collisions between two simple polygons in motion. In order to do so, we create a planar subdivision of the free space between the two polygons, called...
Kinetic Collision Detection Between Two Simple Polygons (1999)
Julien Basch Jeff, Je Erickson, Li Zhang, John Hershberger X
ffice MURI grantDAAH04-96-1-0013. z Computer Science Department, Stanford University, Stanford, CA 94305# guibas@cs.stanford.edu. Researchpartially supported by National Science Foundation grant...
H-Walk : Hierarchical Distance Computation for Moving Convex Bodies (1999)
Leonidas J. Guibas, David Hsu, Li Zhang
This paper presents the Hierarchical Walk, or H-Walk algorithm, which maintains the distance between two moving convex bodies by exploiting both motion coherence and hierarchical representations. For...
Separation-Sensitive Collision Detection for Convex Objects (1999)
Jeff Erickson, Leonidas J. Guibas, Jorge Stolfi, Li Zhang
We develop a class of new kinetic data structures for collision detection between moving convex polytopes; the performance of these structures is sensitive to the separation of the polytopes during...
A Hierarchical Method for Real-Time Distance Computation among Moving Convex Bodies (1999)
Lenoidas Guibas, David Hsu, Li Zhang
This paper presents the Hierarchical Walk, or H-Walk algorithm, which maintains the distance between two moving convex bodies by exploiting both motion coherence and hierarchical representations. For...
Lizhangg Cs Stanford, Leonidas J. Guibas, David Hsu, Li Zhang
This paper presents the Hierarchical Walk, or H-Walk algorithm, which maintains the distance between two moving convex bodies by exploiting both motion coherence and hierarchical representations. For...
H-Walk: Hierarchical Distance Computation for Moving Convex Bodies (1999)
Leonidas J. Guibas, David Hsu, Li Zhang
This paper presents the Hierarchical Walk, or H-Walk algorithm, which maintains the distance between two moving convex bodies by exploiting both motion coherence and hierarchical representations. For...
Analysis and Characterization of Large-Scale Web Server Access Patterns and Performance (1999)
Arun K. Iyengar, Mark S. Squillante, Li Zhang
In this paper we develop a general methodology for characterizing the access patterns of Web server requests based on a time-series analysis of finite collections of observed data from real systems....
Kinetic Collision Detection Between Two Simple Polygons (1999)
Julien Basch, Jeff Erickson, Leonidas J. Guibas, John Hershberger, Li Zhang
MS-9627683 and by U.S. Army Research Office MURI grant DAAH04-96-1-0013. z Computer Science Department, Stanford University, Stanford, CA 94305; guibas@cs.stanford.edu. Research partially supported...
Kinetic collision detection between two simple polygons (1999)
Julien Basch, Jeff Erickson, Leonidas J. Guibas, John Hershberger, Li Zhang
We design a kinetic data structure for detecting collisions between two simple polygons in motion. In order to do so, we create a planar subdivision of the free space between the two polygons, called...
Kinetic collision detection between two simple polygons (1999)
Julien Basch, Jeff Erickson, Leonidas J. Guibas, John Hershberger, Li Zhang
We design a kinetic data structure for detecting collisions between two simple polygons in motion. In order to do so, we create a planar subdivision of the free space between the two polygons, called...
Analysis and characterization of large-scale web server access patterns and performance (1999)
Arun K. Iyengar, Mark S. Squillante, Li Zhang
In this paper we develop a general methodology for characterizing the access patterns of Web server requests based on a time-series analysis of finite collections of observed data from real systems....
Euclidean proximity and power diagrams (1998)
Power diagrams [Aur87] are a useful generalization of Voronoi diagrams in which the sites defining the diagram are not points but balls. They derive their name
Probabilistic Analysis for Combinatorial Functions of Moving Points (1998)
Julien Basch, Harish Devarajan, Piotr Indyk, Li Zhang
We initiate a probabilistic study of configuration functions of moving points. In our probabilistic model, a particle is given an initial position and a velocity drawn independently at random from...
The Disciplining Role of Accounting in the Long-run (1998)
Anil Arya, Jonathan Glover, Li Zhang
: One role of accounting is in disciplining softer (more manipulable) sources of information. We use a contracting model to study this role. The main point that emerges from our analysis is that...
Euclidean Proximity and Power Diagrams (1998)
this paper, we don't assume nondegeneracy. Thus, it is possible that two power diagram cells share a low dimensional face but not a facet. In this case, we don't regard them as adjacent in...
A General Methodology for Characterizing Access Patterns and Analyzing Web Server Performance (1998)
Arun K. Iyengar, Edward A. Macnair, Mark S. Squillante, Li Zhang
We develop a general methodology for characterizing Web server access patterns based on a spectral analysis of finite collections of observed data from real systems. Our approach is used together...
Visibility Queries in Simple Polygons and Applications (1998)
Boris Aronov, Leonidas J. Guibas, Marek Teichmann, Li Zhang
. In this paper we explore some novel aspects of visibility for stationary and moving points inside a simple polygon P . We provide a mechanism for expressing the visibility polygon from a point as...
Visibility queries in simple polygons and applications (1998)
Boris Aronov, Leonidas J. Guibas, Marek Teichmann, Li Zhang
Abstract. In this paper we explore some novel aspects of visibility for stationary and moving points inside a simple polygon §. We provide a mechanism for expressing the visibility polygon from a...
Proliferation, differentiation and apoptosis in human oral premalignant and malignant lesions (1998)
Proximity problems on moving points (1997)
Julien Basch, Leonidas J. Guibas, Li Zhang
A kinetic data structure for the maintenance of a multidimensional range search tree is introduced. This structure is used as a building block to obtain kinetic data structures for two classical...
A Practical Evaluation of Kinetic Data Structures (1997)
Julien Basch, Leonidas J. Guibas, Craig D. Silverstein, Li Zhang
this paper is to study and validate the use of the kinetic data structures proposed in [BGH97] in practice. The implementation and experimental evaluation of such structures brings to light several...
A Practical Evaluation of Kinetic Data Structures (1997)
Julien Basch, Leonidas J. Guibas, Craig D. Silverstein, Li Zhang
this paper, we reported the implementation of and experimentation with several data structures for maintaining the
Probabilistic Analysis for Combinatorial Functions of Moving Points (1997)
Li Zhang, Harish Devarajan, Julien Basch, Piotr Indyk
We initiate a probabilistic study of configuration functions of moving points. In our probabilistic model, a particle is given an initial position and a velocity drawn independently at random from...
Proximity Problems on Moving Points (1997)
Julien Basch, Leonidas J. Guibas, Li Zhang
A kinetic data structure for the maintenance of a multidimensional range search tree is introduced. This structure is used as a building block to obtain kinetic data structures for two classical...
Probabilistic Analysis for Combinatorial Functions of Moving Points (1997)
Li Zhang, Harish Devarajan, Julien Basch, Piotr Indyk
Given a set of n points, what is the description complexity of their convex hull? In our world, this question is understood with an implicit "in the worst case", and the answer is n bd=2c...
Proximity Problems on Moving Points (1997)
Julien Basch, Leonidas J. Guibas, Li Zhang
A kinetic data structure for the maintenance of a multidimensional range search tree is introduced. This structure is used as a building block to obtain kinetic data structures for two classical...
Reliability and dynamic scheduling in stochastic networks (1997)
Department: Industrial Engineering and Operations Research.
SILP - Scheduling and Allocating with Integer Linear Programming (1996)
Li Zhang, Mein Dank, Herrn Prof
iver Ausnutzung von Parallelit at und Fliebandverarbeitung abgearbeitet wird [Kun87, GE92, Mic94]. Um einen durchg angigen Entwurfspfad von der Eingabespezifikation des abzubildenden Algorithmus bis...
Proof Of The Alternating Sign Matrix Conjecture (1995)
Doron Zeilberger, Gert Almkvist, Noga Alon, George Andrews, Dror Bar-natan, Francois Bergeron, ...
: The number of n n matrices whose entries are either -1, 0, or 1, whose row- and column- sums are all 1, and such that in every row and every column the non-zero entries alternate in sign, is proved...
A GMM Test of the Three-moment CAPM in the Australian Equity Market (1995)
Faff, Robert W., Ho, Yew Kee, Zhang, Li
In this paper the three-moment capital asset pricing model (TMCAPM) is tested using a sample of Australian equity returns over the thirty-year period 1963-1992. Specially, the tests are performed...
Molecular analysis of C3 allotypes in patients with systemic vasculitis (1994)
Finn, J. E., Zhang, Li, Agrawal, S., Jayne, D. R. W., Oliveira, D. B. G., Mathieson, P. W.
The third component of complement (C3) exists in two main allotypic forms, C3S and C3F, distinguished at the DNA level by a single base change. An increased frequency of the rarer C3F allele has been...
Fast Conference On, Fay Chang, Minwen Ji, John Maccormick, Sharon E. Perl, ...
This paper proposes a new approach for achieving disaster tolerance in large, geographically-distributed storage systems. The system, called Myriad, can achieve the same level of disaster tolerance...
Chair Bob Scarfo, Li Zhang, Li Zhang
The members of the Committee appointed to examine the thesis of
In situ nucleoprotein structure involving origin-proximal SV40 DNA control elements (1990)
Nucleoprotein structures at the SV40 GGbox and adjacent AT-rich region have been probed by nucleases in permeabiilzed cells at nucleotide level resolution. The patterns of nuclease protection and...
Micrococcal nuclease (MNase) is used to probe the structure of transcription and repression complexes at the lac regulatory region in vitro. Both the lac operator, 01, and the pseudo-operator, 03,...
Thèse sc. de la terre Genève.
Separation-Sensitive Collision Detection for Convex Objects
Je Erickson Leonidas, Leonidas J. Guibas, Jorge Stol, Li Zhang
this paper, see http://www:uiuc:edu/ph/www/jee/pubs/kollide:html.
Separation-Sensitive Collision Detection for Convex Objects
Jeff Erickson, Leonidas J. Guibas, Jorge Stolfi, Li Zhang
this paper, see http://www:uiuc:edu/ph/www/jee/pubs/kollide:html.
Primary right ventricular osteosarcoma
Zhang, Li, Ellis, Jennifer, Kumar, Dhruv, Deng, Tom
A 41-year-old man suffering from dyspnea on exertion was found to have a mass located on the right ventricle. Resection of the tumour required reconstruction of the right ventricular outflow tract...
Regulation of LFA-1–dependent inflammatory cell recruitment by Cbl-b and 14-3-3 proteins
Choi, Eun Young, Orlova, Valeria V., Fagerholm, Susanna C., Nurmi, Susanna M., Zhang, Li, Ballantyne, Christie M., ...
Inside-out signaling regulation of the β2-integrin leukocyte function–associated antigen-1 (LFA-1) by different cytoplasmic proteins, including 14-3-3 proteins, is essential for adhesion and...
Therapeutic angiogenesis with angiogenic growth factors has emerged as a promising alternative to conventional invasive therapies for cardiovascular disease. However, clinical trials with these...
Veverka, Vaclav, Henry, Alistair J., Slocombe, Patrick M., Ventom, Andrew, Mulloy, Barbara, Muskett, Frederick W., ...
The secreted glycoprotein sclerostin has recently emerged as a key negative regulator of Wnt signaling in bone and has stimulated considerable interest as a potential target for therapeutics designed...
An algorithm for constructing mixed-level k-circulant supersaturated designs
Supersaturated design (SSD) has received much interest because of its potential in factor screening experiments. Recently, Chen and Liu [Chen, J., Liu, M.Q., 2008a. Optimal mixed-level k-circulant...
Serial dilution curve: a new method for analysis of reverse phase protein array data
Zhang, Li, Wei, Qingyi, Mao, Li, Liu, Wenbin, Mills, Gordon B., Coombes, Kevin
Reverse phase protein arrays (RPPAs) are a powerful high-throughput tool for measuring protein concentrations in a large number of samples. In RPPA technology, the original samples are often diluted...
Li, Zheng, Liu, Min, Zhang, Li, Zhang, Wenxia, Gao, Ge, Zhu, Zuoyan, ...
How many intergenically encoded non-coding RNAs (ncRNAs) are expressed during various developmental stages in Drosophila? Previous analyses in one or a few developmental stages indicated abundant...
Budget Structure and Pollution Control: A Cross-country Analysis and Implications for China
In the published literature, the differences in environmental performance across countries are typically explained using the Environmental Kuznets Curve. The Environmental Kuznets Curve states that...
Zhang, Li, Man, Si Ming, Day, Andrew S., Leach, Steven T., Lemberg, Daniel A., Dutt, Shoma, ...
The presence of Campylobacter species other than Campylobacter jejuni and antibodies to Campylobacter concisus in children were investigated. A significantly greater presence of C. concisus and...
Li Zhang, Ananth Krishnamurthy, Charles J. Malmborg, Sunderesh S. Heragu
Approximation strategies for transaction waiting times are proposed for use in Autonomous Vehicle Storage and Retrieval Systems (AVS/RSs) with non-Poisson arrival rates and non-exponential service...
Aberrant CpG island methylation in acute myeloid leukemia is accentuated at relapse
Kroeger, Heike, Jelinek, Jaroslav, Estécio, Marcos R. H., He, Rong, Kondo, Kimie, Chung, Woonbok, ...
DNA methylation of CpG islands around gene transcription start sites results in gene silencing and plays a role in leukemia pathophysiology. Its impact in leukemia progression is not fully...
Kong, Qingran, Wu, Meiling, Huan, Yanjun, Zhang, Li, Liu, Haiyan, Bou, Gerelchimeg, ...
Transgenic animals have been used for years to study gene function, produce important proteins, and generate models for the study of human diseases. However, inheritance and expression instability of...
Public Policies and FDI Location: Differences between Developing and Developed Countries
Timothy Goodspeed, Jorge Martinez-Vazquez, Li Zhang
Host country government officials in developing and developed countries alike would like to know the impact of their public policies on foreign investment in their countries. Unfortunately, the...
The Circulation of Money and Holding Time Distribution
Yougui Wang, Ning Ding, Li Zhang
We have studied the statistical mechanics of money circulation in a closed economic system. An explicit statistical formulation of the circulation velocity of money is presented for the first time by...
Kosugi, Tomoki, Heinig, Marcelo, Nakayama, Takahiro, Connor, Thomas, Yuzawa, Yukio, Li, Qiuhong, ...
Recently, we and others reported that diabetic endothelial nitric oxide synthase knockout (eNOSKO) mice develop advanced glomerular lesions that include mesangiolysis and nodular lesions....
Association Test for X-Linked QTL in Family-Based Designs
Zhang, Li, Martin, Eden R., Morris, Richard W., Li, Yi-Ju
Family-based association methods for detecting quantitative trait loci (QTL) have been developed primarily for autosomes, and comparable methods for X-linked QTL have received less attention. We have...
The rapamycin-regulated gene expression signature determines prognosis for breast cancer
Akcakanat, Argun, Zhang, Li, Tsavachidis, Spiridon, Meric-Bernstam, Funda
Activation-dependent Hindrance of Photoreceptor G Protein Diffusion by Lipid Microdomains*
Wang, Qiong, Zhang, Xue, Zhang, Li, He, Feng, Zhang, Guowei, Jamrich, Milan, ...
The dynamics of G protein-mediated signal transduction depend on the two-dimensional diffusion of membrane-bound G proteins and receptors, which has been suggested to be rate-limiting for vertebrate...
Tissue-specific regulation and expression of heat shock proteins in type 2 diabetic monkeys
Kavanagh, K., Zhang, Li, Wagner, Janice D.
The chaperone protein heat shock protein (HSP) 70 has been shown to protect against obesity-associated insulin resistance. Induction of HSPs is thus considered an exciting therapeutic strategy for...