SP1 enhances Zbtb7A gene expression via direct binding to GC box in HePG2 cells (2009)
Zu, Xuyu, Yu, Lingling, Sun, Qinsheng, Liu, Feng, Wang, Jue, Xie, Zhenhua, ...
Abstract Background Zbtb7A is a proto-oncogenic transcriptional regulator that plays an important role in adipogenesis, osteogenesis and oncogenesis, but little is known about the regulation of...
Kai Yu, Shenghuo Zhu, Wei Xu, Yihong Gong
In this paper we propose a non-greedy active learning method for text categorization using least-squares support vector machines (LSSVM). Our work is based on transductive experimental design (TED),...
Deep Learning with Kernel Regularization for Visual Recognition (2009)
In this paper we aim to train deep neural networks for rapid visual recognition. The task is highly challenging, largely due to the lack of a meaningful regularizer on the functions realized by the...
Mining Console Logs for Large-Scale System Problem Detection (2009)
The console logs generated by an application contain messages that the application developers believed would be useful in debugging or monitoring the application. Despite the ubiquity and large size...
Deep Learning with Kernel Regularization for Visual Recognition (2009)
In this paper we aim to train deep neural networks for rapid visual recognition. The task is highly challenging, largely due to the lack of a meaningful regularizer on the functions realized by the...
Literature-based alignment of ontologies (2009)
Patrick Lambrix, He Tan, Wei Xu
Abstract. In this paper we propose and evaluate new strategies for aligning ontologies based on text categorization of literature using support vector machines-based text classifiers, and compare...
Xu, Wei, Dong, Mingdong, Gersen, Henkjan, Vázquez-Campos, Socorro, Bouju, Xavier, Lægsgaard, Erik, ...
We present an interplay of high-resolution scanning tunneling microscopy imaging and the corresponding theoretical calculations based on elastic scattering quantum chemistry techniques of the...
Chen, Bo, Liu, Shan, Xu, Wei, Wang, Xueli, Zhao, Weihong, Wu, Jianqing
Abstract Background Lung cancer is the leading cause of death from cancer worldwide. Conventional studies mainly think that insulin-like growth factor-I (IGF-I) and IGF-binding protein-3 (IGFBP-3)...
Literature-based alignment of ontologies (2009)
Patrick Lambrix, He Tan, Wei Xu
Abstract. In recent years many ontologies have been developed and many of these ontologies contain overlapping information. To be able to use multiple ontologies they have to be aligned. Recently,...
Marcelli, Augusto Claudio, Hampai, Dariush, Xu, Wei, Malfatti, Luca, Innocenzi, Plinio
New powerful sources and advanced analytical techniques have been considered in the last decade to face up the continuously increasing scientific demands, in particular, in materials science. As an...
On the Systemic Nature of Weather Risk (2009)
Filler, Guenther, Odening, Martin, Okhrin, Ostap, Xu, Wei
Systemic weather risk is a major obstacle for the formation of private (non- subsidized) crop insurance. This paper explores the possibility of spatial diversification of insurance by estimating the...
On the Systemic Nature of Weather Risk (2009)
Filler, Guenther, Odening, Martin, Okhrin, Ostap, Xu, Wei
Systemic weather risk is a major obstacle for the formation of private (non- subsidized) crop insurance. This paper explores the possibility of spatial diversification of insurance by estimating the...
catena-Poly[[diaquacobalt(II)]-bis(μ-3-carboxyadamantane-1-carboxylato-κ2O1:O3)] (2009)
Li-Ming Tang, Jia-Hui Xu, Xiao-Yan Han, Wei Xu
In the title compound, [Co(C12H15O4)2(H2O)2]n, adjacent CoII atoms (overline1 symmetry) are bridged by 3-carboxyadamantane-1-carboxylate anions, forming a chain running along [001]. Interchain...
A chiral three-dimensional network in poly[μ-4,4′-bipyridine-di-μ-formato-cadmium(II)] (2009)
Li Zhao, Jian-Li Lin, Wei Xu, Hong-Zhen Xie
In the title compound, [Cd(HCOO)2(C10H8N2)]n, the CdII ion, located on a position with 2.22 site symmetry, is surrounded by two 4,4′-bipyridine ligands and four formate ligands in a distorted...
1H-Benzimidazole-2(3H)-thione (2009)
De-Cai Wang, Shan Mi, Wei Xu, Liang Jiang, Xin-Ming Huang
The asymmetric unit of the title compound, C7H6N2S, contains one half-molecule; the C and S atoms of the C=S group lie on a crystallographic mirror plane. In the crystal structure, intermolecular...
(4S,5S)-2-(2-Thienyl)-1,3-dioxolane-4,5-dicarboxamide (2009)
Wei Xu, Zheng Yang, Xin-Hua Li, Bo-Nian Liu, De-Cai Wang
In the title compound, C9H10N2O4S, which is an important intermediate for the preparation of antitumor platinum drugs, the dioxolane ring adopts an envelope conformation with the C atom bonded to the...
(4S,5S)-2-(2-Bromophenyl)-1,3-dioxolane-4,5-dicarboxamide (2009)
Hua-quan Liu, De-Cai Wang, Wei Xu, Zheng Yang, Tao Gai
The asymmetric unit of the title compound, C11H11BrN2O4, contains two crystallographically independent molecules in which the bromophenyl rings are oriented at dihedral angles of...
STM manipulation of molecular moulds on metal surfaces (2009)
Yu, Miao, Xu, Wei, Benjalal, Youness, Barattin, Regis, Lægsgaard, Erik, Stensgaard, Ivan, ...
Molecular Landers are a class of compounds containing an aromatic board as well as bulky side groups which upon adsorption of the molecule on a surface may lift the molecular board away from the...
Di-2-pyridyl disulfide–succinic acid (1/1) (2009)
Cheng Zhang, Ling Yuan, Ji-Yong Liu, Wei Xu
In the title compound, C10H8N2S2·C4H6O2, both components of the cocrystal lie on crystallographic twofold rotation axes. In the di-2-pyridyl disulfide molecule, the dihedral angle between the...
Tetrakis(2-amino-6-methylpyridinium) hexachloridobismuthate(III) chloride monohydrate (2009)
Zhen Yang, Gang Chen, Wei Xu, Zheng Fan
The asymmetric unit of the title compound, (C6H9N2)4[BiCl6]Cl·H2O, contains four protonated 2-amino-6-methylpyridine (HAMP) cations and two-halves of two [BiCl6]3− anions, together with...
Pyridinium 4-(trifluoromethyl)benzenesulfonate (2009)
Gang Chen, Wei Xu, Zhen Yang, Zheng Fan
The title salt, C5H6N+·C7H4F3O3S−, is an ion pair in which the pyridium cation is linked to the 4-(trifluoromethyl)benzenesulfonate anion by an N—H...O hydrogen bond. The F atoms of...
(4S,5S)-2-(4-Chlorophenyl)-1,3-dioxolane-4,5-dicarboxamide (2009)
De-Cai Wang, Jing Bai, Wei Xu, Tao Gai, Hua-Quan Liu
The title compound, C11H11ClN2O4, is an important intermediate for the preparation of platinum anticancer drugs. The dioxolane ring adopts a twist conformation with an equatorially attached...
UML Activity Diagram-Based Automatic Test Case Generation For Java Programs (2009)
Chen, Mingsong, Qiu, Xiaokang, Xu, Wei, Wang, Linzhang, Zhao, Jianhua, Li, Xuandong
Test case generation based on design specifications is an important part of testing processes. In this paper, Unified Modeling Language activity diagrams are used as design specifications. By setting...
Bradbury, Penelope A., Zhai, Rihong, Hopkins, Jessica, Kulke, Matthew H., Heist, Rebecca S., Singh, Simron, ...
The matrix metalloproteinase (MMP) family degrade extracellular matrix and mediate pathways including apoptosis, angiogenesis and immunity. We studied the association between four MMP polymorphisms...
(4S,5S)-2-(3-Methoxyphenyl)-1,3-dioxolane-4,5-dicarboxamide (2009)
De-Cai Wang, Tao Ge, Wen-Yuan Wu, Wei Xu, Zheng Yang
In the title compound, C12H14N2O5, the five-membered ring adopts an envelope conformation. In the crystal structure, intermolecular N—H...O interactions link the molecules into a...
μ-Succinato-κ2O1:O4-bis[(2,2′-bipyridine-κ2N,N′)copper(II)] succinate dodecahydrate (2009)
In the title compound, [Cu2(C4H4O4)(C10H8N2)4]C4H4O4·12H2O, C10H8N2), the centrosymmetic dinuclear cations, succinate anions and water molecules are hydrogen bonded into layers parallel to...
Sun, Qing, Hang, Meng, Xu, Wei, Mao, Weidong, Hang, Xiaosheng, Li, Maoquan, ...
Objective This Phase II study was conducted to evaluate the effects of irinotecan plus capecitabine in patients with advanced gastric cancer (AGC) who had received a first-line therapy of...
In this paper, we study the exact probability distribution of the number of cycles c in the breakpoint graph of two random genomes with n genes or markers and χ1 and χ2 linear chromosomes,...
Excitation-Wavelength Dependence of Fluorescence Intermittency in CdSe Nanorods (2008)
Knappenberger, Kenneth L., Wong, Daryl B., Xu, Wei, Schwartzberg, Adam M., Wolcott, Abraham, Zhang, Jin Z., ...
The influence of excitation wavelength and embedding media on fluorescence blinking statistics of 4 nm x 20 nm cadmium selenide(CdSe) nanorods is investigated. Photon antibunching (PAB) experiments...
Wetter stellt für die Landwirtschaft einen Hauptunsicherheitsfaktor dar. Angesichts der Kli-maveränderung gilt es als wahrscheinlich, dass Wetterschwankungen und die Häufigkeit extremer...
Wetter stellt für die Landwirtschaft einen Hauptunsicherheitsfaktor dar. Angesichts der Kli-maveränderung gilt es als wahrscheinlich, dass Wetterschwankungen und die Häufigkeit extremer...
The review of PPP toll roads in the US and the simulation of the Chicago Skyway (2008)
Graduation date: 2009
The review of PPP toll roads in the US and the simulation of the Chicago Skyway (2008)
Graduation date: 2009
Wei Xu, R. Sekar, I. V. Ramakrishnan
The past decade has witnessed a phenomenal growth in the number of users who routinely use the web to obtain information, conduct research, or carry out financial transactions. While the ability of...
The THU/PolyU System at MSE 2006: An Event-relevance based Approach (2008)
Wei Xu, Chunfa Yuan, Mingli Wu, Wenjie Li
Abstract. This paper describes the techniques used for producing summaries of multi-documents. Since most of news articles report several events and these events are referred in many related...
A Conditional Random Field Model for Video Super-resolution (2008)
Dan Kong, Mei Han, Wei Xu, Hai Tao, Yihong Gong
In this paper, we propose a learning-based method for video super-resolution. There are two main contributions of the proposed method. First, information from cameras with different spatial-temporal...
Search and Retrieval—Clustering General Terms Algorithms (2008)
In this paper, we propose a novel document clustering method based on the non-negative factorization of the termdocument matrix of the given document corpus. In the latent semantic space derived by...
Wei Xu, Sandeep Bhatkar, R. Sekar
Policy-based confinement, employed in SELinux and specification-based intrusion detection systems, is a popular approach for defending against exploitation of vulnerabilities in benign software....
Abstract-In- Generalized Multiprotocol Label (2008)
Switching (G,MPLS) networks, the Routing and Wavelength Assignment (RWA) problem is important to realize the Quality of Service (QoS). In this paper, we put forward the blocking probability model...
BUPT at TREC 2006: Spam Track (2008)
Zhen Yang, Wei Xu, Bo Chen, Weiran Xu, Jun Guo
Abstract. This report summarizes our participation in the TREC 2006 spam track, in which we consider the use of Bayesian models for the spam filtering task. Firstly, our anti-spam filter, Kidult, is...
Beihong Jin, Jun Wei, Wei Xu, Ningjiang Chen, Services Management, ...
Dynamic reconfiguration 8 Dynamic reconfiguration mechanism 8 ตัวอย�างการทํางานขอ ง Dynamic reconfiguration 9 ผลการทดลอ ง 10
Background Modeling Using Time Dependent Markov Random Field With Image Pyramid (2008)
Wei Xu, Yue Zhou, Yihong Gong, Hai Tao
Background modeling is important for video surveillance. In the paper, we present a novel background modeling algorithm based on probabilistic graphic model and Gibbs Sampling. The background is...
Multi-Object Trajectory Tracking (2008)
Mei Han, Wei Xu, Hai Tao, Yihong Gong
The majority of existing tracking algorithms are based on the maximum a posteriori (MAP) solution of a probabilistic framework using a Hidden Markov Model, where the distribution of the object state...
Provably Correct Runtime Enforcement of Non-Interference Properties ∗ (2008)
V. N. Venkatakrishnan, Wei Xu, Daniel C. Duvarney, R. Sekar
Non-interference has become the standard criterion for ensuring confidentiality of sensitive data in the information flow literature. However, application of non-interference to software systems has...
A Twisted Factorization Method for Symmetric SVD of a Complex Symmetric Tridiagonal Matrix (2008)
This paper presents an O(n 2) method based on twisted factorization for computing the Takagi vectors of an n-by-n complex symmetric tridiagonal matrix with known singular values. Since the singular...
Wei Xu, Sanzheng Qiao, Yimin Wei
algorithm for solving rank-deficient scaled total least square problems
A Twisted Factorization Method for Symmetric SVD of a Complex Symmetric Tridiagonal Matrix (2008)
This paper presents an O(n 2) method based on twisted factorization for computing the Takagi vectors of an n-by-n complex symmetric tridiagonal matrix with known singular values. Since the singular...
Wei Xu, R. Sekar, I. V. Ramakrishnan
The past decade has witnessed a phenomenal growth in the number of users who routinely use the web to obtain information, conduct research, or carry out financial transactions. While the ability of...
Wei Xu, Sandeep Bhatkar, R. Sekar
Policy-based confinement, employed in SELinux and specification-based intrusion detection systems, is a popular approach for defending against exploitation of vulnerabilities in benign software....
Provably Correct Runtime Enforcement of Non-Interference Properties ∗ (2008)
V. N. Venkatakrishnan, Wei Xu, Daniel C. Duvarney, R. Sekar
Non-interference has become the standard criterion for ensuring confidentiality of sensitive data in the information flow literature. However, application of non-interference to software systems has...
Recording Real Worlds for Playback in a Virtual Exercise Environment (2008)
Wei Xu, John Penners, Jane Mulligan, Wei Xu, John Penners, Jane Mulligan
Adhering to an exercise program is a challenge. Augmenting stationary exercise equipment with an immersive Virtual Exercise Environment may make adherence more fun. We describe a system for capturing...
An Approach for Realizing (2008)
Wei Xu, R. Sekar, I. V. Ramakrishnan
this paper. Service Models. When a consumer provides data to a service provider, he wants to ensure that it is used in a manner consistent with his policy. To verify if this will be the case, the...
An Approach for Realizing (2008)
Wei Xu, R. Sekar, I. V. Ramakrishnan
this paper. Service Models. When a consumer provides data to a service provider, he wants to ensure that it is used in a manner consistent with his policy. To verify if this will be the case, the...
Can Artificial Neural Networks Learn Language Models? (2008)
Wei Xu Alex, Wei Xu, Alex Rudnicky
Currently, N-gram models are the most common and widely used models for statistical language modeling. In this paper, we investigated an alternative way to build language models, i.e., using...
XU, WEI, ZHU, CHUNBAO, ZHU, BAOQUAN
A transformation system mediated by Agrobacterium tumefaciens is routinely used for the genetic engineering of plants. Here, we report an efficient and stable method for transformation of...
Redetermination of ethylenediammonium bis(p-methylbenzenesulfonate) monohydrate (2008)
Chao Shen-Tu, Lin-Lin Ma, Wei Xu, Ying Chen, Zhi-Min Jin
In the asymmetric unit of the title compound, C2H10N22+·2C7H7O3S−·H2O, there are two independent 4-methylbenzenesulfonate anions, one ethylenediammonium cation and a water molecule....
l-Glutamic acid hydrochloride at 153 K (2008)
Yi Jian Zhang, Zhan Shu, Wei Xu, Gang Chen, Zu-Guang Li
The title compound [systematic name: (S)-1,3-dicarboxypropanaminium chloride], C5H10NO4+·Cl−, has been investigated previously by Dawson [Acta Cryst. (1953). 6, 81–83], with R =...
Zhong-Ze Ma, Wei Xu, Niels H. Jensen, Bryan L. Roth
Bioactivity-guided fractionation of Corydalis yanhusuo has resulted in the isolation of eight known isoquinoline alkaloids - tetrahydropalmatine, isocorypalmine, stylopine, corydaline, columbamine,...
Meng Guo, Lin-Tong Wang, Xia Wu, Wei Xu, Jing-He Yang
This study found that in Tris-HCl buffer, the resonance light scattering (RLS) intensity of the Eu3+-nicotinic acid system can be greatly enhanced by nucleic acids and the enhanced intensity is...
catena-Poly[[dichloridocobalt(II)]-μ-1,3-di-4-pyridylpropane-κ2N:N′] (2008)
In the title compound, [CoCl2(C13H14N2)]n, 1,3-bis(4-pyridyl)propane (bpp) ligands bridge four-coordinate Co atoms, generating an extended one-dimensional zigzag chain. Both the Co and two Cl atoms...
catena-Poly[[(2,2′-bipyrimidine-κ2N1,N1′)diperchloratocopper(II)]-μ-4,4′-bipyridine-κ2N:N′] (2008)
Wei Xu, Jian-Li Lin, Hong-Zhen Xie
The central CuN4O2 motif of the title compound, [Cu(ClO4)2(C8H6N4)(C10H8N2)]n, exhibits a Jahn–Teller-distorted octahedral geometry around the metal centre, showing a considerably long...
A second polymorph of aqua(2,9-dimethyl-1,10-phenanthroline-κ2N,N′)bis(formato-κO)copper(II) (2008)
Jian-Li Lin, Wei Xu, Hong-Zhen Xie
A new monoclinic polymorphic form of the title compound, [Cu(HCO2)2(C14H12N2)(H2O)], is described. It differs from the first orthorhombic polymorph [Pan, Lin & Zheng (2005). Z. Kristallogr. New...
μ-α-Methylglutarato-bis{aqua[bis(2-pyridylcarbonyl)aminato]copper(II)} trihydrate (2008)
Hong-Zhen Xie, Wei-Juan Pan, Wei Xu, Jian-Li Lin
In the title compound, [Cu2(C12H8N3O2)2(C6H8O4)(H2O)2]·3H2O, both crystallographically independent Cu atoms are in similar distorted square-pyramidal coordination environments. The dinuclear...
(Formato-κO)bis(1,10-phenanthroline-κ2N,N′)copper(II) formate hexahydrate (2008)
Wei Xu, Jian-Li Lin, Hong-Zhen Xie, Ming Zhang
In the title compound, [Cu(CHO2)(C12H8N2)2]CHO2·6H2O, the Cu atom is coordinated in a distorted trigonal-bipyramidal fashion by an O atom of the formate ligand and four N atoms of two...
Tris(2,2′-bipyridine-κ2N:N′)cobalt(III) trichloride tetrahydrate (2008)
Wen Liu, Wei Xu, Jian-Li Lin, Hong-Zhen Xie
The title compound, [Co(C10H8N2)3]Cl3·4H2O, contains discrete [Co(bpy)3]3+ cations (bpy is 2,2′-bipyridine), Cl− anions and water molecules. The [Co(bpy)3]3+ complex cation exhibits...
4,4′-Bis[2-(3,4-dibutyl-2-thienylethynyl)]biphenyl (2008)
Lei Liu, Na Liu, Wei Xu, Dao-Ben Zhu
The molecule of the title compound, C40H46S2, reveals Ci symmetry. An inversion centre is located at the mid-point of the C—C bond of the biphenyl unit; the asymmetric unit comprises one-half...
(4S,5S)-2-(2-Fluorophenyl)-1,3-dioxolane-4,5-dicarboxamide (2008)
Xin-Hua Li, De-Cai Wang, Bo-Nian Liu, Wei Xu
In the molecule of the title compound, C11H11FN2O4, the five-membered ring adopts an envelope conformation. An intramolecular N—H...F hydrogen bond occurs. In the crystal structure,...
SVM-based algorithms for aligning ontologies using literature (2008)
Ontologies is one of the key techniques used in Semantic Web establishment. Nowadays，many ontologies have been developed and it is critical to understand the relationships between the terms of the...
Octafluoro[2.2]paracyclophane (AF4) Quinone (2008)
Xu, Wei, Dolbier, William R., Duan, Jian-Xin, Zhai, Yian, Ogawa, Katsu, Battiste, Merle A., ...
Octafluoro[2.2]paracyclophane (AF4) has been oxidized by treatment with HIO3 in CF3CO2H to form the corresponding p-quinone along with a unique triketone. This quinone undergoes reduction to the...
SVM-based algorithms for aligning ontologies using literature (2008)
Ontologies is one of the key techniques used in Semantic Web establishment. Nowadays，many ontologies have been developed and it is critical to understand the relationships between the terms of the...
Applying Bayesian Neural Networks to Event Reconstruction in Reactor Neutrino Experiments (2007)
Xu, Ye, Xu, Weiwei, Meng, Yixiong, Zhu, Kaien, Xu, Wei
A toy detector has been designed to simulate central detectors in reactor neutrino experiments in the paper. The electron samples from the Monte-Carlo simulation of the toy detector have been...
IFS coding with multiple DC terms and domain blocks (2007)
In this paper, we discuss the relationship between image partitionings and transforms, and we introduce a new approach to utilize multiple domain blocks (AC terms) in the fractal transform. We then...
Peer-to-Peer Support for (2007)
Björn Knutsson, Massively Multiplayer Games, Honghui Lu, Wei Xu, Bryan Hopkins
Abstract — We present an approach to support massively multi-player games on peer-to-peer overlays. Our approach exploits the fact that players in MMGs display locality of interest, and therefore...
TERRAIN HEIGHT AND INSAR PHASE (2007)
Wei Xu, Ee Chien Chang, Leong Keong Kwoh, Hock Lim, Wang Cheng, Alice Heng
The use of multiple InSAR images of the same area for phase unwrapping is discussed. It is shown that by combining the information in the two InSAR images, the mnbiguity inter-val of the phase angie...
An Analysis of Rank-Deficient Scaled Total Least Squares Problem (2007)
Wei Xu, Yimin Wei, Sanzheng Qiao
In this paper, we study the scaled total least squares problems of rank-deficient linear systems. We present a solution for rank-deficient scaled total least squares and discuss the relation between...
Accuracy Versus Complexity in Context Dependent Phone Modeling (2007)
Wei Xu, Jacques Duchateau, Kris Demuynck, Ioannis Dologlou, Patrick Wambacq, Dirk Van Compernolle, ...
This paper presents two di#erent directions to build HMM models which give enough acoustic resolution and fit in limited user resources. They both refer to scaling down the acoustic models which are...
Peer-to-Peer Support for (2007)
Björn Knutsson, Massively Multiplayer Games, Honghui Lu, Wei Xu, Bryan Hopkins
Abstract — We present an approach to support massively multi-player games on peer-to-peer overlays. Our approach exploits the fact that players in MMGs display locality of interest, and therefore...
Symmetric singular value decomposition of complex symmetric matrices (2007)
Complex symmetric matrices arise from many applications, such as nuclear magnetic resonance, complex-value independent component analysis and so on. Singular value decomposition (SVD) is an important...
学位授与大学：京都大学 ; 取得学位: 博士（工学） ; 学位授与年月日: 2007-09-25 ; 学位の種類: 新制・課程博士 ; 学位記番号: 工博第2846号 ; 請求記号:...
Soft edge smoothness prior for alpha channel super resolution (2007)
Shengyang Dai, Mei Han, Wei Xu, Ying Wu, Yihong Gong
Effective image prior is necessary for image super resolution, due to its severely under-determined nature. Although the edge smoothness prior can be effective, it is generally difficult to have...
Incremental spectral clustering with application to monitoring of evolving blog communities (2007)
Huazhong Ning, Wei Xu, Yun Chi, Yihong Gong, Thomas Huang
In recent years, spectral clustering method has gained attentions because of its superior performance compared to other traditional clustering algorithms such as K-means algorithm. The existing...
Soft edge smoothness prior for alpha channel super resolution (2007)
Shengyang Dai, Mei Han, Wei Xu, Ying Wu, Yihong Gong
Effective image prior is necessary for image super resolution, due to its severely under-determined nature. Although the edge smoothness prior can be effective, it is generally difficult to have...
Soft edge smoothness prior for alpha channel super resolution (2007)
Shengyang Dai, Mei Han, Wei Xu, Ying Wu, Yihong Gong
Effective image prior is necessary for image super resolution, due to its severely under-determined nature. Although the edge smoothness prior can be effective, it is generally difficult to have...
Nuclear Receptor Cofactors in PPARγ-Mediated Adipogenesis and Adipocyte Energy Metabolism (2007)
Emily Powell, Peter Kuhn, Wei Xu
Transcriptional cofactors are integral to the proper function and regulation of nuclear receptors. Members of the peroxisome proliferator-activated receptor (PPAR) family of nuclear receptors are...
Using Non-Local Features to Improve Named Entity Recognition Recall (2007)
Mao, Xinnian, Xu, Wei, Dong, Yuan, He, Saike, Wang, Haila
PACLIC 21 / Seoul National University, Seoul, Korea / November 1-3, 2007
Xu, Wei, Li, Zhi, Zhang, Xiao-Ning
This paper was transferred from the original CD ROM created for this conference. The material on the CD ROM was published using Adobe Acrobat technology. The original CD ROM was produced by Document...
Xu, Wei, Li, Zhi, Zhang, Xiao-Ning
This paper was transferred from the original CD ROM created for this conference. The material on the CD ROM was published using Adobe Acrobat technology. The original CD ROM was produced by Document...
CB1 cannabinoid receptor: Structural studies using receptor purification and covalent ligands (2006)
The CB1 cannabinoid receptor, a member of the family A G-protein coupled receptors, is recognized as a therapeutic target for the potential treatment of numerous diseases and is currently receiving...
Nuclear Receptor Cofactors in PPARγ-Mediated Adipogenesis and Adipocyte Energy Metabolism (2006)
Emily Powell, Peter Kuhn, Wei Xu
Transcriptional cofactors are integral to the proper function and regulation of nuclear receptors. Members of the peroxisome proliferator-activated receptor (PPAR) family of nuclear receptors are...
Development of practical implementation methods for road pricing / (2006)
Thesis (Ph.D.)--Hong Kong University of Science and Technology, 2006.
Virtual wall and its applications in microfluidics / (2006)
Thesis (Ph. D., Electrical and Computer Engineering)--University of California, Irvine, 2006.
Thesis (M.A.Sc.)--Carleton University, 2005.
Development of practical implementation methods for road pricing / (2006)
Thesis (Ph.D.)--Hong Kong University of Science and Technology, 2006.
The performance of ST-DP TCP in wireless environments (2006)
Xu, Wei, Fu, Qiang, Armitage, Grenville J.
Abstract not available.
The performance of ST-DP TCP in wireless environments (2006)
Xu, Wei, Fu, Qiang, Armitage, Grenville J.
Abstract not available.
A multi-channel algorithm for edge detection under varying lighting conditions (2006)
In vision-based autonomous spacecraft docking multiple views of scene structure captured with the same camera and scene geometry is available under different lighting conditions. These...
A multi-channel algorithm for edge detection under varying lighting conditions (2006)
In vision-based autonomous spacecraft docking multiple views of scene structure captured with the same camera and scene geometry is available under different lighting conditions. These...
A framework for building privacy-conscious composite web services (2006)
Wei Xu, V. N. Venkatakrishnan, R. Sekar, I. V. Ramakrishnan
The rapid growth of web applications has prompted increasing interest in the area of composite web services that involve several service providers. The potential for such composite web services can...
Lights and Camera: Intelligently Controlled Multi-channel Pose Estimation System (2006)
Olena Borzenko, Wei Xu, Mark Obsniuk, Arjun Chopra, Piotr Jasiobedzki, Michael Jenkin, ...
Guiding the spacecraft docking process requires the use of sensors that estimate the relative position of the two vessels. This task is complicated by the widely variable on-orbit illumination. To...
A multi-channel algorithm for edge detection under varying lighting conditions (2006)
In vision-based autonomous spacecraft docking multiple views of scene structure captured with the same camera and scene geometry is available under different lighting conditions. These...
Video superresolution with scene-specific priors (2006)
Dan Kong, Mei Han, Wei Xu, Hai Tao, Yihong Gong
In this paper, we propose a method to improve the spatial resolution of video sequences. Our approach is inspired by previous image hallucination work [12]. There are two main contributions of the...
in Enterprise Data Centers (2006)
Wei Xu, Xiaoyun Zhu, Sharad Singhal, Zhikui Wang, Wei Xu
utility computing, virtualization, resource allocation, predictive control, feedback control It is challenging to reduce resource over-provisioning for enterprise applications while maintaining...
Taint-enhanced policy enforcement: A practical approach to defeat a wide range of attacks (2006)
Policy-based confinement, employed in SELinux and specification-based intrusion detection systems, is a popular approach for defending against exploitation of vulnerabilities in benign software. To...
The performance of ST-DP TCP in wireless environments (2006)
Xu, Wei, Fu, Qiang, Armitage, Grenville J.
Abstract not available.
Gene rearrangement and molecular evolution in animal mitochrondrial genomes / (2005)
Advisor: Paul G. Higgs.
Multi-channel edge detection / (2005)
Thesis (M.Sc.)--York University, 2005. Graduate Programme in Computer Science.
Recursive partitioning models for linkage in COGA data (2005)
Xu, Wei, Taylor, Chelsea, Veenstra, Justin, Bull, Shelley, Corey, Mary, Greenwood, Celia
A secure composition framework for trustworthy personal information assistants (2005)
V. N. Venkatakrishnan, Wei Xu, I. V. Ramakrishnan, R. Sekar
Abstract — In this paper, we provide a framework that supports composition of individual agents that enables users to accomplish complex tasks that would otherwise be laborious and difficult with...
A Unified Approach for Preventing Attacks Exploiting a Range of Software Vulnerabilities (2005)
Wei Xu, Sandeep Bhatkar, Eep Bhatkar, R. Sekar
Software implementation bugs are behind most security vulnerabilities reported today. Our analysis of CVE vulnerabilities in 2003 and 2004 indicate that 20% of them were classified as DOS attacks,...
A Secure Composition Framework for Trustworthy (2005)
Personal Information Assistants, V. N. Venkatakrishnan, Wei Xu, I. V. Ramakrishnan, R. Sekar
In this paper, we provide a framework that supports composition of individual agents that enables users to accomplish complex tasks that would otherwise be laborious and difficult with mere use of...
Multi-labelled Classification Using Maximum Entropy Method (2005)
Shenghuo Zhu, Xiang Ji, Wei Xu, Yihong Gong
Many classification problems require classifiers to assign each single document into more than one category, which is called multilabelled classification. The categories in such problems usually are...
A divide-and-conquer method for the Takagi factorization (2005)
Abstract. This paper presents a divide-and-conquer method for computing the symmetric singular value decomposition, or Takagi factorization, of a complex symmetric and tridiagonal matrix. An analysis...
Block Lanczos tridiagonalization of complex symmetric matrices (2005)
Sanzheng Qiao, Guohong Liu, Wei Xu
The classic Lanczos method is an effective method for tridiagonalizing real symmetric matrices. Its block algorithm can significantly improve performance by exploiting memory hierarchies. In this...
A divide-and-conquer method for the Takagi factorization (2005)
This paper presents a divide-and-conquer method for computing the Takagi factorization, or symmetric singular value decomposition, of a complex symmetric and tridiagonal matrix. An analysis of...
Block Lanczos tridiagonalization of complex symmetric matrices (2005)
Sanzheng Qiao, Guohong Liu, Wei Xu
The classic Lanczos method is an effective method for tridiagonalizing real symmetric matrices. Its block algorithm can significantly improve performance by exploiting memory hierarchies. In this...
A secure composition framework for trustworthy personal information assistants (2005)
V. N. Venkatakrishnan, Wei Xu, I. V. Ramakrishnan, R. Sekar
Abstract — In this paper, we provide a framework that supports composition of individual agents that enables users to accomplish complex tasks that would otherwise be laborious and difficult with...
Practical dynamic taint analysis for countering input validation attacks on web applications (2005)
Errors in validation of user inputs lead to serious security vulnerabilities. Many web applications contain such errors, making them vulnerable to remotely exploitable input validation attacks such...
A hierarchical naive Bayes mixture model for name disambiguation in author citations (2005)
Hui Han, Wei Xu, Hongyuan Zha, C. Lee Giles
Because of name variations, an author may have multiple names and multiple authors may share the same name. Such name ambiguity affects the performance of document retrieval, web search, database...
Membrane proteins are involved in vital cellular functions and have important implications in disease processes, drug design and therapy. However, it is difficult to obtain diffraction quality...
Membrane proteins are involved in vital cellular functions and have important implications in disease processes, drug design and therapy. However, it is difficult to obtain diffraction quality...
FTEXT - Functional Testing of E-Commerce Systems with Extreme Programming and TTCN-3. (2004)
Thesis (M.Sc.)--University of Ottawa, 2004.
Thesis (M.Sc.)--University of Ottawa, 2004.
An Efficient and Backwards-Compatible Transformation to Ensure Memory Safety of C Programs (2004)
Wei Xu, Daniel C. DuVarney, R. Sekar
Memory-related errors, such as buffer overflows and dangling pointers, remain one of the principal reasons for failures of C programs. As a result, a number of recent research efforts have focused on...
A Program Transformation Technique for Enforcement of Information Flow Properties (2004)
V. N. Venkatakrishnan, Daniel C. Duvarney, Wei Xu, R. Sekar
With the ever-increasing presence of confidential data on the Internet, allowing such data to be processed while protecting it from leakage to unauthorized parties is a major concern. Mechanisms...
A methylation-mediator complex in hormone signaling (2004)
Xu, Wei, Cho, Helen, Kadam, Shilpa, Banayo, Ester M., Anderson, Scott, Yates, John R., ...
The recruitment of coactivators by nuclear hormone receptors (NRs) promotes transcription by subverting chromatin-mediated repression. Although the histone methylation enzyme CARM1 and an...
A methylation-mediator complex in hormone signaling (2004)
Xu, Wei, Cho, Helen, Kadam, Shilpa, Banayo, Ester M., Anderson, Scott, Yates, John R., ...
The recruitment of coactivators by nuclear hormone receptors (NRs) promotes transcription by subverting chromatin-mediated repression. Although the histone methylation enzyme CARM1 and an...
Membrane proteins are involved in vital cellular functions and have important implications in disease processes, drug design and therapy. However, it is difficult to obtain diffraction quality...
A methylation-mediator complex in hormone signaling (2004)
Xu, Wei, Cho, Helen, Kadam, Shilpa, Banayo, Ester M., Anderson, Scott, Yates, John R., ...
The recruitment of coactivators by nuclear hormone receptors (NRs) promotes transcription by subverting chromatin-mediated repression. Although the histone methylation enzyme CARM1 and an...
Behavioral bias-driven trading and return momentum (2003)
In this paper, we provide evidence that trading driven by investors' behavioral biases contributes to stock return momentum. In particular, we focus on two types of irrational trading, momentum...
Dissertation (Ph.D.)--University of Michigan.
Condition Numbers for Structured Least Squares (2003)
Wei Xu, Yimin Wei, Sanzheng Qiao
This paper studies the normwise perturbation theory for structured least squares problems. The structures under investigation are symmetric, persymmetric, skewsymmetric, Toeplitz and Hankel. We...
Exploration and exploitation in adaptive filtering based on Bayesian active learning (2003)
Yi Zhang, Wei Xu, Jamie Callan
In the task of adaptive information filtering, a system receives a stream of documents but delivers only those that match a person’s information need. As the system filters it also refines its...
Exploration and Exploitation in Adaptive Filtering Based on (2003)
Bayesian Active Learning, Yi Zhang, Wei Xu, Jamie Callan
In the task of adaptive information filtering, a system receives a stream of documents but delivers only those that match a person's information need. As the system filters it also refines its...
Exploration and exploitation in adaptive filtering based on Bayesian active learning (2003)
Yi Zhang, Wei Xu, Jamie Callan
In the task of adaptive information filtering, a system receives a stream of documents but delivers only those that match a person’s information need. As the system filters it also refines its...
Abstract PROJECT GROUP ASSIGNMENT SYSTEM (2002)
Kim Doyle, Susan Kroha, Arunima Palchowdhury, Wei Xu, Under Professor
This paper describes a Web-based interactive system for creating teams (groups) for project work in industry or academia. The system allows project team members and managers to use a Web interface to...
Exact maximum likelihood estimation for word mixtures (2002)
Yi Zhang, Wei Xu, Jamie Callan
The mixture model for generating document is a generative language model used in information retrieval. While using this model, there are situations that we need to find the maximum likelihood...
Document Clustering with Cluster Refinement and Model (2002)
Selection Capabilities Xin, Xin Liu, Yihong Gong, Wei Xu, Shenghuo Zhu
In this paper, we propose a document clustering method that strives to achieve: (1) a high accuracy of document clustering, and (2) the capability of estimating the number of clusters in the document...
Exact maximum likelihood estimation for word mixtures (2002)
Yi Zhang, Wei Xu, Jamie Callan
The mixture model for generating document is a generative language model used in information retrieval. While using this model, there are situations that we need to find the maximum likelihood...
Micro-Thrombotic And Micro-Embolic Potential Of Endothelial Cells During Apoptosis (2002)
Doctor of Philosophy
Micro-Thrombotic And Micro-Embolic Potential Of Endothelial Cells During Apoptosis (2002)
Doctor of Philosophy
The design analysis and implementation of a novel TCP congestion control scheme / Wei Xu. (2001)
Bibliography: p. 159-164.
The design analysis and implementation of a novel TCP congestion control scheme / Wei Xu. (2001)
Bibliography: p. 159-164.
The design analysis and implementation of a novel TCP congestion control scheme (2001)
Bibliography: p. 159-164. This thesis presents the design, analysis and implementation aspects of a new Transmission Control Protocol (TCP) congestion control scheme. To overcome the shortfalls...
Task-based dialog management using an agenda (2000)
Dialog man tigement addresses two specific problems: (1) providing a coherent overall structure to interaction that extends beyond the single turn, (2) correctly managing mixed-initiative...
Language Modeling for Dialog System (2000)
Wei Xu Alex, Wei Xu, Alex Rudnicky
take two forms. Human input can be constrained through a directed dialog, allowing the decoder to use a state-specific language model to improve recognition accuracy. Mixedinitiative systems allow...
Typescript (photocopy).
Typescript.
Wei Xu, Avi Orr-urtreger, Shari Gelber, Cara Ballard Sutcliffe, Dawna Armstrong, James W. Patrick, ...
Transcripts for the �2 and the �4 nicotinic acetylcholine receptor (nAChR) subunits are found throughout the CNS and the peripheral nervous system. These two � subunits can form...
Lossless Topological Subdivision of Triangle Meshes (1999)
Wei Xu, Richard Hammersley, Donald Fussell
In this paper, we investigate subdivision tree representations of arbitrary triangle meshes. By subdivision, we mean the recursive topological partitioning of a triangle into subtriangles. Such a...
Multiresolution Representation of Arbitrary Triangular Meshes (1998)
1 Motivation Current multiresolution and topology-preserving representations of the topology of triangular meshes can be classified into two major categories: lossless and lossy. Lossless methods...
Subdivision Tree Representation of Arbitrary Triangle Meshes (1998)
We investigate a new way to represent arbitrary triangle meshes. We prove that a large class of triangle meshes, called normal triangle meshes, can be represented by a subdivision tree, where each...
Investigation of solid-state stability of selected bioactive compounds (1997)
Chemical stability is a critical issue in the drug development process. Since a vast majority of drug products are administered as solid dosage forms, understanding the molecular details of a...
When searching in a complex hypertext application, users may experience navigation disorientation and cognitive overload. This study examined the relative effectiveness of a semantic representation...
Typescript (photocopy).
Adaptation of plants to the changing environment requires that sensing of external stimuli be linked to the mechanisms of morphogenesis. The Arabidopsis TCH genes are rapidly and strongly regulated...
A Fast Solver Of Radiosity Equation Systems (1994)
In this paper, we explore the properties of radiosity equation systems and analyze the mathematical background of existing O(n) solvers for such systems. Based on our analysis, we present a new...
Constructing Solvers For Radiosity Equation Systems (1994)
In this paper, we take a new look at solvers for radiosity systems. We provide a systematic framework for the derivation of linear iterative solution methods and show how to use it to construct...
Research on the Status Quo and System Architecture of the Web Information Resource Evaluation (1970)
Wei Xu, Ji Liu, Xiangxing Shen
Web information resource evaluation (website evaluation) becomes more and more important, as the web information resources become larger and more complex. Thus, a lot of theory and methods have been...
Temperature dependence of NADPH oxidase in human eosinophils
Morgan, Deri, Cherny, Vladimir V, Murphy, Ricardo, Xu, Wei, Thomas, Larry L, DeCoursey, Thomas E
The phagocyte NADPH oxidase helps kill pathogens by producing superoxide anion, O2−. This enzyme is electrogenic because it translocates electrons across the membrane, generating an electron...
Xu, Wei, Lan, Hui, Hu, Pingzhao, Bull, Shelley B, Greenwood, Celia MT
Focusing on chromosome 1, a recursive partitioning linkage algorithm (RP) was applied to perform linkage analysis on the rheumatoid arthritis NARAC data, incorporating covariates such as HLA-DRB1...
Hu, Pingzhao, Lan, Hui, Xu, Wei, Beyene, Joseph, Greenwood, Celia MT
Assuming multiple loci play a role in regulating the expression level of a single phenotype, we propose a new approach to identify cis- and trans-acting loci that regulate gene expression. Using the...
Leal, Walter S., Barbosa, Rosângela M. R., Xu, Wei, Ishida, Yuko, Syed, Zainulabeuddin, Latte, Nicolas, ...
Synthetic mosquito oviposition attractants are sorely needed for surveillance and control programs for Culex species, which are major vectors of pathogens causing various human diseases, including...
Indifference Pricing of Weather Derivatives
Wei Xu, Martin Odening, Oliver Musshoff
Weather derivatives are difficult to price due to the nontradability of weather and the absence of liquid secondary markets for these contracts. We use the concept of indifference pricing to develop...
The changing dynamics of land-use change in rural China: a case study of Yuhang, Zhejiang Province
There is considerable debate in the literature on the extent and magnitude of Chinese rural land-use change since the onset of reforms in 1978. Moreover, there is little agreement on the factors...
Optimal Design of Weather Bonds
Xu, Wei, Odening, Martin, Musshoff, Oliver
Replaced with revised version of paper 06/17/08.
Wei Xu, Kok-Chiang Tan, Guixin Wang
In this paper we aim to explore the segmentation structure of Chinese labor markets, especially gender-related segmentation, at a local level. Through a case-study approach, the discussion is...
Modeling and Hedging Rain Risk
Musshoff, Oliver, Odening, Martin, Xu, Wei
In this article we price a precipitation option based on empirical weather data from Germany using different pricing methods, among them Burn Analysis, Index Value Simulation and Daily Simulation....
Indifference Pricing of Weather Insurance
Xu, Wei, Odening, Martin, Musshoff, Oliver
This article develops an Indifference Pricing model for a weather derivative that is traded over the counter. The model is used to calculate ask and bid prices for a put option on a weather index in...
ZUR QUANTIFIZIERUNG DES BASISRISIKOS VON WETTERDERIVATEN
Musshoff, Oliver, Odening, Martin, Xu, Wei
Es ist seit langem bekannt, dass das Wetter den Hauptunsicherheitsfaktor in der pflanzlichen Produktion darstellt. Seit einiger Zeit wird der Einsatz von Wetterderivaten zur Absicherung gegen...
Zur Reduzierung niederschlagsbedingter Produktionsrisiken mit Wetterderivaten
Musshoff, Oliver, Odening, Martin, Xu, Wei
In this paper we price a precipitation option based on empirical weather data from Germany using different pricing methods, among them the burn analysis, index value simulation and daily simulation....
Modeling and Pricing Rain Risk
Musshoff, Oliver, Odening, Martin, Xu, Wei
In this paper we price a precipitation option based on empirical weather data from Germany using different pricing methods, among them Burn Analysis, Index Value Simulation and Daily Simulation. For...
On the Systemic Nature of Weather Risk
Guenther Filler, Martin Odening, Ostap Okhrin, Wei Xu
Systemic weather risk is a major obstacle for the formation of private (non- subsidized) crop insurance. This paper explores the possibility of spatial diversification of insurance by estimating the...
On the ruin probability for the Cox correlated risk model perturbed by diffusion
Lu, Zhaoyang, Xu, Wei, Zhang, Yan, Sun, Yingling
In this paper we consider the Cox correlated risk model perturbed by a diffusion (Wiener) process. We first derive an analog of the Bernstein-Kolmogorov inequality for the probabilities of large...
Exact Maximum Likelihood Estimation for Word Mixtures
Yi Zhang, Wei Xu, Jamie Callan
The mixture model for generating document is a generative language model used in information retrieval. While using this model, there are situations that we need to find the maximum likelihood...
On the Systemic Nature of Weather Risk
Xu, Wei, Filler, Guenther, Odening, Martin, Okhrin, Ostap
Systemic weather risk is a major obstacle for the formation of private (nonsubsidized) crop insurance. This paper explores the possibility of spatial diversification of insurance by estimating the...
Intermolecular interactions identify ligand-selective activity of estrogen receptor α/β dimers
Estrogen receptor (ER) dimerization is prerequisite for its activation of target gene transcription. Because the two forms of ER, ERα and ERβ, exhibit opposing functions in cell proliferation, the...
SMRT repression of nuclear receptors controls the adipogenic set point and metabolic homeostasis
Nofsinger, Russell R., Li, Pingping, Hong, Suk-Hyun, Jonker, Johan W., Barish, Grant D., Ying, Hao, ...
The nuclear receptor corepressor, silencing mediator of retinoid and thyroid hormone receptors (SMRT), is recruited by a plethora of transcription factors to mediate lineage and signal-dependent...
IGF-I and IGFBP-3 and the risk of lung cancer: A meta-analysis based on nested case-control studies
Chen, Bo, Liu, Shan, Xu, Wei, Wang, Xueli, Zhao, Weihong, Wu, Jianqing
Analysis of rainfall derivatives using daily precipitation models: opportunities and pitfalls
Martin Odening, Oliver Musshoff, Wei Xu
This study examines rainfall variability and its implications for wheat production risk in northeast Germany. The hedging effectiveness of rainfall options and the role of geographical basis risk are...
SP1 enhances Zbtb7A gene expression via direct binding to GC box in HePG2 cells
Zu, Xuyu, Yu, Lingling, Sun, Qinsheng, Liu, Feng, Wang, Jue, Xie, Zhenhua, ...
Xu, Xianzhong, Xu, Wei, Ishida, Yuko, Li, Yun, Leal, Walter S., Ames, James B.
An odorant-binding protein from the Southern house mosquito, Culex pipiens quinquefasciatus (Cqui-OBP1) binds to the mosquito oviposition pheromone (MOP), 6-acetoxy-5-hexadecanolide to facilitate the...