Dong, Weijia, Li, Xiaoyan, Feng, Yuan, Fan, Chunmei, Chen, Zhinan, Zhu, Ping
Abstract Introduction The local production of pathogenic autoantibodies by plasma cells in synovium is one of the hallmarks of rheumatoid arthritis (RA). There may be a potential link between ectopic...
[8-(Diphenylphosphanyl)naphthyl-κ2C1,P](phenylethynyl)tris(trimethylphosphane-κP)iron(II) (2009)
Robert Beck, Hongjian Sun, Dexin Guan, Xiaoyan Li
The title compound, [Fe(C8H5)(C22H16P)(C3H9P)3], was synthesized by the addition of phenylethine to a solution of the parent methyl iron complex Fe(CH3){P(C6H5)2(C10H6)}(PMe3)3 at 213 K,...
Jia, Junfeng, Wang, Conghua, Shi, Zhanguo, Zhao, Jingkang, Jia, Yun, Zhao-Hui, Zheng, ...
Objective. To explore the therapeutic potential of CD147/HAb18 mAb in the treatment of RA in severe combined immunodeficiency (SCID) mice engrafted with human cartilage and rheumatoid synovium tissue...
We investigate the compressive yielding of Ni single crystals by performing atomistic simulations with the sample diameters in the range of 5 nm ∼ 40 nm. Remarkable effects of sample sizes on...
Web Service-based GeoBrain Online Analysis System (GeOnAS) (2008)
Liping Di, Peisheng Zhao, Weiguo Han, Yaxing Wei, Xiaoyan Li
Abstract – Recent advances in Service-Oriented Architecture (SOA) and in geospatial Web services and interoperability technologies are shifting geospatial data and analysis from the...
As the Social Security full retirement age rises, the relative generosity of Social Security retirement benefits compared to disability benefits is declining, raising the incentive for insured people...
Incorporating Syntactic Information in Question Answering (2008)
Syntactic information potentially plays a much more important role in question answering than it does in information retrieval. The aim of the experiment described in this paper is to study the...
HISA: A Query System Bridging The Semantic Gap For Large Image Databases ABSTRACT (2008)
Gang Chen, Xiaoyan Li, Lidan Shou, Jinxiang Dong, Chun Chen
We propose a novel system called HISA for organizing very large image databases. HISA implements the first known data structure to capture both the ontological knowledge and visual features for...
An Answer Updating Approach to Novelty Detection (2008)
The detection of new and novel information in a document stream is an important component of potential applications. This paper describes an answer updating approach to novelty detection at the...
Demo Abstract: GRAIL: General Real-Time Adaptable Indoor Localization (2008)
Yingying Chen, Eiman Elnahrawy, John-austen Francisco, Konstantinos Kleisouris, Xiaoyan Li, Hongyi Xue, ...
Categories and Subject Descriptors
My research interests span the areas of wireless sensor networks, ad hoc networks, distributed systems, and Internet services. I am particularly interested in using modeling, learning and mining...
Enhancing Relevance Models with Adaptive Passage Retrieval (2008)
Abstract. Passage retrieval and pseudo relevance feedback/query expansion have been reported as two effective means for improving document retrieval in literature. Relevance models, while improving...
Cyanidophenyltris(trimethylphosphine)cobalt(II) (2008)
Fengli Yu, Qibao Wang, Xiaoyan Li
The title molecule, [Co(C6H5)(CN)(C3H9P)3], lies on a crystallographic mirror plane with the CoII ion coordinated in a distorted square-pyramidal environment with one of the P atoms in the apical...
Yue Chen, Jin Zhou, Xiaoyan Li
In the title compound, [CoCl2(C8H7ClN)(C3H9P)2], the Co atom displays an octahedral coordination, with two cis Cl atoms perpendicular to two trans trimethylphosphine ligands as well as trans to the...
(2,5-Diphenylpent-4-yn-1-en-3-ylidene)triphenylphosphorane (2008)
Aichen Wang, Qibao Wang, Xiaoyan Li
The title compound, C45H27P, was obtained as a product of the reaction of triphenylmethylenephosphorane with one molar equivalent of 1,4-diphenylbutadiyne in toluene. The compound was very stable...
We investigate the compressive yielding of Ni single crystals by performing atomistic simulations with the sample diameters in the range of 5 nm ∼ 40 nm....
Newbern, Jason, Zhong, Jian, Wickramasinghe, Rasika S., Li, Xiaoyan, Wu, Yaohong, Samuels, Ivy, ...
Disrupted ERK1/2 (MAPK3/MAPK1) MAPK signaling has been associated with several developmental syndromes in humans; however, mutations in ERK1 or ERK2 have not been described. We demonstrate...
Syntactic information potentially plays a much more important role in question answering than it does in information retrieval. Although many people have used syntactic evidence in Question...
The Impact of Syntactic Evidence on the Effectiveness of Question Answering (2007)
Syntactic information potentially plays a much more important role in question answering than it does in information retrieval. Although many people have used syntactic evidence in Question...
Burnout and the Retirement Decision (2007)
We introduce the process of psychological burnout and recovery as an explanation for the phenomenon known as unretirement. We illustrate theoretically how predictable time variation in burnout could...
UMass at TREC 2004: Novelty and HARD (2007)
Abdul-Jaleel, Nasreen, Allan, James, Croft, W. B., Diaz, Fernando, Larkey, Leah, Li, Xiaoyan, ...
For the TREC 2004 Novelty track, UMass participated in all four tasks. Although finding relevant sentences was harder this year than last, we continue to show marked improvements over the baseline of...
Discouraged Workers? Job Search Outcomes of Older Workers. (2006)
Many have suggested we adopt policies that explicitly encourage the elderly to work. Behind this suggestion is the assumption that if an older person desires a job, one will be found; however, little...
Sentence level information patterns for novelty detection (2006)
The detection of new information in a document stream is an important component of many potential applications. In this thesis, a new novelty detection approach based on the identification of...
Sentence level information patterns for novelty detection (2006)
The detection of new information in a document stream is an important component of many potential applications. In this thesis, a new novelty detection approach based on the identification of...
Sentence Level Information Patterns for Novelty Detection (2006)
The detection of new information in a document stream is an important component of many potential applications. In this thesis, a new novelty detection approach based on the identification of...
Allan, James, Connell, Margaret E., Croft, W. B., Feng, Fang-Fang, Fisher, David, Li, Xiaoyan
This year the Center for Intelligent Information Retrieval (CIIR) at the University of Massachusetts participated in three of the tracks: the cross-language, question answering, and query tracks. We...
Evaluating Question-Answering Techniques in Chinese (2006)
An important first step in developing a cross-lingual question answering system is to understand whether techniques developed with English text will also work with other languages, such as Chinese....
The robustness of localization algorithms to signal strength attacks: a comparative study (2006)
Yingying Chen, Konstantinos Kleisouris, Xiaoyan Li, Richard P. Martin
Abstract. In this paper, we examine several localization algorithms and evaluate their robustness to attacks where an adversary attenuates or amplifies the signal strength at one or more landmarks....
Improving novelty detection for general topics using sentence level information patterns (2006)
The detection of new information in a document stream is an important component of many potential applications. In this work, a new novelty detection approach based on the identification of sentence...
Choices is asynchronous communication for postgraduate teaching students (2005)
Most research concludes that asynchronous activities increase the amount of student participation and improve the student-centred learning atmosphere. This raised concerns when students didn’t...
A Simple Ray-Sector Signal Strength Model for Indoor 802.11 Networks (2005)
In this paper we present a simple ray-sector model of signal strength for indoor 802.11 networks. Signal strength is an important parameter for a variety of important wireless networking tasks, such...
Novelty Detection Based on Sentence Level Patterns (2005)
The detection of new information in a document stream is an important component of many potential applications. In this paper, a new novelty detection approach based on the identification of sentence...
A Simple Ray-Sector Signal Strength Model for Indoor 802.11 Networks (2005)
In this paper we present a simple ray-sector model of signal strength for indoor 802.11 networks. Signal strength is an important parameter for a variety of important wireless networking tasks, such...
Novelty Detection Based on Sentence Level Patterns (2005)
The detection of new information in a document stream is an important component of many potential applications. In this paper, a new novelty detection approach based on the identification of sentence...
Choices is asynchronous communication for postgraduate teaching students (2005)
Most research concludes that asynchronous activities increase the amount of student participation and improve the student-centred learning atmosphere. This raised concerns when students didn’t...
The roles of pancreatic beta cell antioxidants in islet transplantation and type 1 diabetes / (2004)
Thesis (Ph. D.)--University of Louisville, 2004.
Thesis (Ph. D.)--University of Louisville, 2004.
The roles of pancreatic beta cell antioxidants in islet transplantation and type 1 diabetes (2004)
Thesis (Ph. D.)--University of Louisville, 2004.
UMass at TREC 2004: Notebook (2004)
Nasreen Abdul-jaleel, James Allan, W. Bruce Croft, O Diaz, Leah Larkey, Xiaoyan Li, ...
The retrieval model implemented in the Indri search engine is an enhanced version of the model described in [30], which combines the language modeling [35] and inference network [38] approaches to...
Using Area-based Presentations and Metrics for Localization Systems in Wireless LANs (2004)
Eiman Elnahrawy, Xiaoyan Li, Richard P. Martin
In this work we show the utility of WLAN localization using areas and volumes as the fundamental localization unit. We demonstrate that area-based algorithms have a critical advantage over...
Active tapes: Bus-based sensor networks (2004)
Andrew Tjang, Michael Pagliorola, Hiral Patel, Xiaoyan Li, Richard P. Martin
A tremendous amount of research on wireless sensor networks and protocols rely on two assumptions about sensors. First, each sensor, or node, is a self-contained, generally programmable computing...
Xiaoyan Li, Thu D. Nguyen, Richard P. Martin
Abstract. We present an analytic model to predict the optimal range for maximizing 1-hop broadcast coverage in dense ad-hoc wireless networks, using information like network density and node sending...
An Analytic Model Predicting the Optimal Range for (2004)
Maximizing Hop Broadcast, Xiaoyan Li, Thu D. Nguyen, Richard P. Martin
We present an analytic model to predict the optimal range for maximizing 1-hop broadcast coverage in dense ad-hoc wireless networks, using information like network density and node sending rate. We...
UMass at TREC 2004: Novelty and HARD (2004)
Nasreen Abdul-jaleel, James Allan, W. Bruce Croft, O Diaz, Leah Larkey, Xiaoyan Li, ...
For the TREC 2004 Novelty track, UMass participated in all four tasks. Although finding relevant sentences was harder this year than last, we continue to show marked improvements over the baseline of...
Active tapes: Bus-based sensor networks (2004)
Andrew Tjang, Michael Pagliorola, Hiral Patel, Xiaoyan Li, Richard P. Martin
Abstract — In this work we present Active Tapes, a bus organization for sensor networks. We construct simple cost models to compare active tapes against more traditional wireless sensor networks....
Active tapes: Bus-based sensor networks (2004)
Andrew Tjang, Michael Pagliorola, Hiral Patel, Xiaoyan Li, Richard P. Martin
Abstract — In this work we present Active Tapes, a bus organization for sensor networks. We construct simple cost models to compare active tapes against more traditional wireless sensor networks....
Effect of mechanical and geometric mismatching on fatique and damage of welded joints / (2003)
Li, Xiaoyan., Lappeenranta Teknillinen Yliopisto.
Thesis for the degree of Doctor of Science at Lappeenranta University of Technology, Lappeenranta, Finland 2003.
Effect of mechanical and geometric mismatching on fatigue and damage of welded joints / (2003)
Diss. -- Lappeenrannan teknillinen yliopisto.
Using Fault Injection and Modeling to Evaluate the Performability of Cluster-Based Services (2003)
Kiran Nagaraja, Xiaoyan Li, Ricardo Bianchini, Richard P. Martin, Thu D. Nguyen
Permission is granted for noncommercial reproduction of the work for educational or research purposes.
Using Fault Injection and Modeling to Evaluate the Performability of Cluster-Based Services (2003)
Kiran Nagaraja, Xiaoyan Li, Ricardo Bianchini, Richard P. Martin, Thu D. Nguyen
Abstract. We propose a two-phase methodology for quantifying the performability (performance and availability) of cluster-based Internet services. In the first phase, evaluators use a fault-injection...
Using Fault Injection and Modeling to Evaluate the Performability of Cluster-Based Services (2003)
Kiran Nagaraja, Xiaoyan Li, Ricardo Bianchini, Richard P. Martin, Thu D. Nguyen
Abstract. We propose a two-phase methodology for quantifying the performability (performance and availability) of cluster-based Internet services. In the first phase, evaluators use a fault-injection...
Using Fault Injection to Evaluate the Performability of Cluster-Based Services (2003)
Kiran Nagaraja, Xiaoyan Li, Bin Zhang, Ricardo Bianchini, Richard P. Martin, Thu D. Nguyen
Abstract. We propose a two-phase methodology for quantifying the performability (performance + availability) of cluster-based Internet services. In the first phase, evaluators use a fault-injection...
Using Fault Injection to Evaluate the Performability of Cluster-Based Services (2003)
Kiran Nagaraja, Xiaoyan Li, Bin Zhang, Ricardo Bianchini, Richard P. Martin, Thu D. Nguyen
Abstract. We propose a two-phase methodology for quantifying the performability (performance + availability) of cluster-based Internet services. In the first phase, evaluators use a fault-injection...
Time-Based Language Models (2003)
We explore the relationship between time and relevance using TREC ad-hoc queries. Two types of queries are classified as timebased: one favors very recent documents and the other has more relevant...
Using Fault Injection and Modeling to Evaluate the (2003)
Kiran Nagaraja, Xiaoyan Li, Ricardo Bianchini, Richard P. Martin, Thu D. Nguyen
We propose a two-phase methodology for quantifying the performability (performance and availability) of cluster-based Internet services. In the first phase, evaluators use a fault-injection...
Thesis (M.S.)--University of Louisville, 2002.
Thesis (M.S.)--University of Louisville, 2002.
Thesis (M.S.)--University of Louisville, 2002.
Xiaoyan Li, Richard Martin, Kiran Nagaraja, Thu D. Nguyen, Bin Zhang
We describe Mendosus, a SAN-based fault-injection test-bed that supports the emulation of LAN-connected systems. Our goal is to provide a test-bed for service designers to systematically assess the...
Bin Zhang, Kiran Nagaraja, Xiaoyan Li, Richard Martin, Thu D. Nguyen
We describe Mendosus, a SAN-based fault-injection test-bed that supports the emulation of LAN-based systems. Our goal is to provide a test-bed for service designers to systematically assess the...
Mendosus: A SAN-Based Fault-Injection Test-Bed for the (2002)
Construction Of Highly, Xiaoyan Li, Richard Martin, Kiran Nagaraja, Thu D. Nguyen, Bin Zhang
We describe Mendosus, a SAN-based fault-injection test-bed that supports the emulation of LAN-connected systems. Our goal is to provide a test-bed for service designers to systematically assess the...
Evaluating Question-Answering Techniques in Chinese (2001)
An important first step in developing a cross-lingual question answering system is to understand whether techniques developed with English text will also work with other languages, such as Chinese....
Evaluating Question-Answering Techniques in Chinese (2001)
An important first step in developing a cross-lingual question answering system is to understand whether techniques developed with English text will also work with other languages, such as Chinese....
Thesis (M.S.)--University of Kansas, Mechanical Engineering, 1999.
Darmstadt, Universiẗat, Diss., 1999.
Chinese film and the fifth generation / (1996)
Thesis (M.A.)--University of Indianapolis, 1996.
Thesis (Ph. D.)--Arizona State University, 1995.
Bestimmung der Wärmeleitfähigkeit der Stranggiesspulver und -schlacken. (1990)
Aachen, Techn. Hochsch., Diss., 1990.
Ouyang, Juan, Jiang, Tang, Tan, Min, Cui, Yinpeng, Li, Xiaoyan
Resistance to glucocorticoid (GC) treatment in some patients with idiopathic nephrotic syndrome (INS) is a significant clinical problem. Heat shock protein 90 (HSP90) is the chaperon protein of the...
Ouyang, Juan, Jiang, Tang, Tan, Min, Cui, Yinpeng, Li, Xiaoyan
Resistance to glucocorticoid (GC) treatment in some patients with idiopathic nephrotic syndrome (INS) is a significant clinical problem. Heat shock protein 90 (HSP90) is the chaperon protein of the...
Discouraged Workers? Job Search Outcomes of Older Workers
Many have suggested we adopt policies that explicitly encourage the elderly to work. Behind this suggestion is the assumption that if an older person desires a job, one will be found; however, little...
Pre-TCRα and TCRα Are Not Interchangeable Partners of TCRβ during T Lymphocyte Development
Borowski, Christine, Li, Xiaoyan, Aifantis, Iannis, Gounari, Fotini, Von Boehmer, Harald
In contrast with the αβ T cell receptor (TCR), the pre-TCR spontaneously segregates to membrane rafts from where it signals in a cell-autonomous fashion. The disparate behaviors of these two...
Selective role for RGS12 as a Ras/Raf/MEK scaffold in nerve growth factor-mediated differentiation
Willard, Melinda D, Willard, Francis S, Li, Xiaoyan, Cappell, Steven D, Snider, William D, Siderovski, David P
Regulator of G-protein signaling (RGS) proteins accelerate GTP hydrolysis by heterotrimeric G-protein α subunits and thus inhibit signaling by many G protein-coupled receptors. Several RGS proteins...
Jiang, XueJun, Bett, Glenna C L, Li, XiaoYan, Bondarenko, Vladimir E, Rasmusson, Randall L
Channels are water-filled membrane-spanning proteins, which undergo conformational changes as they gate, i.e. open or close. These conformational changes affect both the shape of the channel and the...
Burnout and the Retirement Decision
We introduce the process of psychological burnout and recovery as an explanation for the phenomenon known as unretirement. We illustrate theoretically how predictable time variation in burnout could...
Regulator of G-Protein Signaling 14 (RGS14) Is a Selective H-Ras Effector
Willard, Francis S., Willard, Melinda D., Kimple, Adam J., Soundararajan, Meera, Oestreich, Emily A., Li, Xiaoyan, ...
Newbern, Jason, Zhong, Jian, Wickramasinghe, Rasika S., Li, Xiaoyan, Wu, Yaohong, Samuels, Ivy, ...
Disrupted ERK1/2 (MAPK3/MAPK1) MAPK signaling has been associated with several developmental syndromes in humans; however, mutations in ERK1 or ERK2 have not been described. We demonstrate...
As the Social Security full retirement age rises, the relative generosity of Social Security retirement benefits compared to disability benefits is declining, raising the incentive for insured people...