Xin Chen

Publication List Details

Period

1987 - 2008

Number

148

Co-Authors

An Antenna-Theory Method for Modeling High-Frequency RF Coils: A Segmented Birdcage Example (2008)

Xin Chen, Victor Taracila, Timothy Eagan, Hiroyuki Fujita, Xingxian Shou, Tanvir Baig, ...

We suggest that center-fed dipole antenna analytics can be employed in the optimized design of high-frequency MRI RF coil applications. The method is illustrated in the design of a single-segmented...

A Stochastic Programming Duality Approach to Inventory Centralization Games (2007)

Chen, Xin, Zhang, Jiawei

In this paper, we present a unified approach to study a class of cooperative games arising from inventory centralization. The optimization problems corresponding to the inventory games are formulated...

A Stochastic Programming Duality Approach to Inventory Centralization Games (2007)

Chen, Xin, Zhang, Jiawei

In this paper, we present a unified approach to study a class of cooperative games arising from inventory centralization. The optimization problems corresponding to the inventory games are formulated...

Duality Approaches to Economic Lot-Sizing Games (2007)

Chen, Xin, Zhang, Jiawei

We consider the economic lot-sizing (ELS) game with general concave ordering cost. In this cooperative game, multiple retailers form a coalition by placing joint orders to a single supplier in order...

Duality Approaches to Economic Lot-Sizing Games (2007)

Chen, Xin, Zhang, Jiawei

We consider the economic lot-sizing (ELS) game with general concave ordering cost. In this cooperative game, multiple retailers form a coalition by placing joint orders to a single supplier in order...

MRI MONITORING AND MODEL PREDICTION OF THERMAL ABLATION DYNAMICS IN TISSUE (2007)

Chen, Xin

This research is motivated by the need for more effective and efficient clinical application of minimally invasive thermal ablation of solid tumors. During the ablation procedure, it is important to...

DEVELOPMENT AND ACHIEVEMENTS OF CHINA'S INTELLECTUAL PROPERTY PROTECTION UNDER GLOBALIZATION (2007)

Chen, Xin

With China's open door policy in the late of 1978 and accession to the World Trade Organization in 2001, the progress of globalization has accelerated the comprehensive development of China's...

Prediction of Functional Class of Proteins and Peptides Irrespective of Sequence Homology by Support Vector Machines (2007)

Zhi Qun Tang, Hong Huang Lin, Hai Lei Zhang, Lian Yi Han, Xin Chen, Yu Zong Chen

Various computational methods have been used for the prediction of protein and peptide function based on their sequences. A particular challenge is to derive functional properties from sequences that...

The Grid Resource Discovery Method Based on Hierarchical Model (2007)

Yulan Yin, Huanqing Cui, Xin Chen

Grid is considered as next generation network and resource discovery is a basic component of Grid resource management. This study presents a hierarchical resource discovery method to make use of...

Small Covers over Prisms (2006)

Cai, Mingzhong, Chen, Xin, Lü, Zhi

In this paper we calculate the number of equivariant diffeomorphism classes of small covers over a prism.

Cartesian P-property and its applications to the semidefinite linear complementarity problem (2006)

Chen, Xin, Qi, Houduo

We introduce a Cartesian P-property for linear transformations between the space of symmetric matrices and present its applications to the semidefinite linear complementarity problem (SDLCP). With...

Spatially extended nature of resistive switching in perovskite oxide thin films (2006)

Chen, Xin, Wu, NaiJuan, Strozier, John, Ignatiev, Alex

We report the direct observation of the electric pulse induced resistance-change (EPIR) effect at the nano scale on La1-xSrxMnO3 (LSMO) thin films by the current measurement AFM technique. After a...

Dependence and the copula approach (2006)

Chen, Xin

Project (M.A.) - Faculty of Business Administration - Simon Fraser University

Buffer-Enhanced Electrical-Pulse-Induced-Resistive Memory Effect in Thin Film Perovskites (2005)

Chen, Xin, Wu, Naijuan, Ignatiev, Alex, Chen, Qing, Zhang, Yue

A multilayer perovskite thin film resistive memory device has been developed comprised of: a Pr0.7Ca0.3MnO3 (PCMO) perovskite oxide epitaxial layer on a YBCO bottom thin film electrode; a thin yttria...

Comparison of array-based comparative genomic hybridization with gene expression-based regional expression biases to identify genetic abnormalities in hepatocellular carcinoma (2005)

Furge, Kyle A, Dykema, Karl J, Ho, Coral, Chen, Xin

Abstract Background Regional expression biases (REBs) are genetic intervals where gene expression is coordinately changed. For example, if a region of the genome is amplified, often the majority of...

Mutations of PIK3CAin gastric adenocarcinoma (2005)

Li, Vivian, Wong, Chi, Chan, Tsun, Chan, Agnes, Zhao, Wei, Chu, Kent-Man, ...

Abstract Background Activation of the phosphatidylinositol 3-kinase (PI3K) through mutational inactivation of PTEN tumour suppressor gene is common in diverse cancer types, but rarely reported in...

Development of vocal protest from 3 to 18 months (2005)

Chen, Xin

Cry sounds change in both form and function during infancy. The present study investigated how cry sounds are used, not to request care, but to protest maternal behaviors. Infants' vocal protests of...

Surface Composition of a Series of Dimethylsiloxane Urea, Urethane Segmented Copolymers Studied by Electron Spectroscopy for Chemical Analysis (2005)

Chen, Xin, Ho, Tai

Surface composition of a series of segmented poly(siloxane urea urethane)'s have been determined by angle- and energy-dependent ESCA. The polymers are based on aminopropyl end-capped dimethylsiloxane...

Coordinating Inventory Control and Pricing Strategies with Random Demand and Fixed Ordering Cost: The Finite Horizon Case (2004)

Chen, Xin, Simchi-Levi, David

We analyze a finite horizon, single product, periodic review model in which pricing and production/inventory decisions are made simultaneously. Demands in different periods are random variables that...

Coordinating Inventory Control and Pricing Strategies with Random Demand and Fixed Ordering Cost: the Infinite Horizon Case (2004)

Chen, Xin, Simchi-Levi, David

We analyze an infinite horizon, single product, periodic review model in which pricing and production/inventory decisions are made simultaneously. Demands in different periods are identically...

Risk Aversion in Inventory Management (2004)

Chen, Xin, Sim, Melvyn, Simchi-Levi, David, Sun, Peng

Traditional inventory models focus on risk-neutral decision makers, i.e., characterizing replenishment strategies that maximize expected total profit, or equivalently, minimize expected total cost...

Risk Aversion in Inventory Management (2004)

Chen, Xin, Sim, Melvyn, Simchi-Levi, David, Sun, Peng

Traditional inventory models focus on risk-neutral decision makers, i.e., characterizing replenishment strategies that maximize expected total profit, or equivalently, minimize expected total cost...

Coordinating Inventory Control and Pricing Strategies with Random Demand and Fixed Ordering Cost: the Infinite Horizon Case (2004)

Chen, Xin, Simchi-Levi, David

We analyze an infinite horizon, single product, periodic review model in which pricing and production/inventory decisions are made simultaneously. Demands in different periods are identically...

Coordinating Inventory Control and Pricing Strategies with Random Demand and Fixed Ordering Cost: The Finite Horizon Case (2004)

Chen, Xin, Simchi-Levi, David

We analyze a finite horizon, single product, periodic review model in which pricing and production/inventory decisions are made simultaneously. Demands in different periods are random variables that...

Smooth convex approximation to the maximum eigenvalue function (2004)

Chen, Xin, Qi, Houduo, Qi, Liqun, Teo, Kok-Lay

In this paper, we consider smooth convex approximations to the maximum eigenvalue function. To make it applicable to a wide class of applications, the study is conducted on the composite function of...

The Similarity Metric (2004)

Ming Li, Xin Chen, Xin Li, Bin Ma

A new class of distances appropriate for measuring similarity relations between sequences, say one type of similarity per distance, is studied. We propose a new "normalized information distance",...

Genome Informatics 14: 3--13 (2003) 3 Computational Inference of Regulatory Pathways in (2004)

Zhengchang Su, Xin Chen, Victor Olman, Tao Jiang, Brian Palenik, Ying Xu

We present a computational protocol for inference of regulatory and signaling pathways in a microbial cell, through literature search, mining "high-throughput" biological data of various types, and...

Shared Information and Program Plagiarism Detection (2004)

Xin Chen, Brent Francia, Ming Li, Brian Mckinnon, Amit Seker

A fundamental question in information theory and in computer science is how to measure similarity or the amount of shared information between two sequences. We have proposed a metric, based on...

The Similarity Metric (2004)

Ming Li, Xin Chen, Xin Li, Bin Ma, Paul Vitanyi

A new class of metrics appropriate for measuring e#ective similarity relations between sequences, say one type of similarity per metric, is studied. We propose a new "normalized information...

The Similarity metric (2004)

Li, Ming, Chen, Xin, Li, Xin, Ma, Bin, Vitanyi, Paul M.B.

A new class of metrics appropriate for measuring effective similarity relations between sequences, say one type of similarity per metric, is studied. We propose a new ``normalized information...

DETECTION OF PHYSICAL HAZARDS IN BONELESS POULTRY PRODUCT USING COMBINED X-RAY AND LASER RANGE IMAGING TECHNOLOGIES (2003)

Chen, Xin

Detection of bone fragments and other physical contaminations in deboned poultry meat has become increasingly important to ensure food quality and safety. Traditional X-ray imaging detection...

DETECTION OF PHYSICAL HAZARDS IN BONELESS POULTRY PRODUCT USING COMBINED X-RAY AND LASER RANGE IMAGING TECHNOLOGIES (2003)

Chen, Xin

Detection of bone fragments and other physical contaminations in deboned poultry meat has become increasingly important to ensure food quality and safety. Traditional X-ray imaging detection...

Analysis of nonsmooth symmetric-matrix functions with applications to semidefinite complementarity problems (2003)

Chen, Xin, Qi, Houduo, Tseng, Paul

For any function f from $\mathbb R$ to $\mathbb R$, one can define a corresponding function on the space of n × n (block-diagonal) real symmetric matrices by applying f to the eigenvalues of the...

Analysis of Nonsmooth Vector-Valued Functions Associated with Second-Order Cones (2003)

Jein-shan Chen, Xin Chen, Paul Tseng

Let K be the Lorentz/second-order cone in IR . For any function f from IR to IR, one can de ne a corresponding function f (x) on IR by applying f to the spectral values of the spectral decomposition...

The patentability of computer programs / (2003)

Chen, Xin.

Thesis (LL. M.) Information Technology, Media, and E-Commerce, Dept. of Law -- University of Essex, 2003.

A Theory of Uncheatable Program Plagiarism Detection and Its Practical Implementation (2002)

Xin Chen, Ming Li, Brian Mckinnon, Amit Seker

This paper introduces a metric to measure the degree to which two computer programs are similar for plagiarism detection. This similarity metric is based on Kolmogorov complexity [8] and measures the...

Analysis of Nonsmooth Symmetric-Matrix-Valued Functions with Applications to Semide nite Complementarity Problems (2002)

Xin Chen, Houduo Qi, Paul Tseng

For any function f from R to R, one can define a corresponding function on the space of n × n (block-diagonal) real symmetric matrices by applying f to the eigenvalues of the spectral...

Targeting model drug carriers to irradiated endothelium / (2002)

Chen, Xin.

Thesis (Ph. D.)--University of Tennessee, Memphis, 2002.

The similarity metric (2001)

Li, Ming, Chen, Xin, Li, Xin, Ma, Bin, Vitanyi, Paul

A new class of distances appropriate for measuring similarity relations between sequences, say one type of similarity per distance, is studied. We propose a new ``normalized information distance'',...

Coordinated Data Prefetching by Utilizing Reference Information at Both Proxy and Web Servers (2001)

Xin Chen, Xiaodong Zhang

Existing prefetching techniques rely on server-based, proxybased, or client-based reference access information. Although Web servers may provide accurate access information, our studies show that...

Effect of uracil incorporation on the precision of HIV-1 (+)-strand DNA initiation. (2001)

Chen, Xin.

Retroviruses have means to limit the accumulation of uracil in DNA strands, suggesting that uracil affects one or more steps in the viral life cycle. In this work, the effects of uracilated DNA were...

Smooth Convex Approximation to the Maximum Eigenvalue Function (2001)

Xin Chen, Houduo Qi, Liqun Qi

In this paper, we consider smooth convex approximations to the maximum eigenvalue function. To make it applicable to a wide class of applications, the study is conducted on the composite function of...

Performance Analysis Of Persistent Http Over Satellite (2000)

Xin Chen, Shawn D. Ostermann, Warren K. Wray, Fritz J, Dolores H. Russ

iv LIST OF TABLES Table Page 3.1 Web Page Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 3.2 General Performance Comparison for CNN Web Page . . . . . . . . . . 17 3.3...

An Information Based Sequence Distance and Its Application to Whole Mitochondrial Genome Phylogeny (2000)

Whole Mitochondrial, Genome Phylogeny, Ming Li, Jonathan H. Badger, Xin Chen, Sam Kwong, ...

Motivation: Traditional sequence distances require an alignment and therefore are not directly applicable to the problem of whole genome phylogeny where events such as rearrangements make full length...

A Compression Algorithm for DNA Sequences and Its Applications in Genome Comparison (2000)

Xin Chen, Sam Kwong, Ming Li

We present a lossless compression algorithm, GenCompress, for genetic sequences, based on searching for approximate repeats. Our algorithm achieves the best compression ratios for benchmark DNA...

Strong Duality for a Trust-Region Type Relaxation of QAP (2000)

Kurt Anstreicher, Xin Chen, Henry Wolkowicz, Ya-xiang Yuan

Lagrangian duality lies behind efficient algorithms for convex minimization problems; in particular, when strong duality holds. It also provides lower bounds for nonconvex problems, where the quality...

A Note On Quadratic Forms (1999)

Xin Chen, Ya-xiang Yuan

We extend an interesting theorem of Yuan [12] for two quadratic forms to three matrices. Let C 1 ; C 2 ; C 3 be three symmetric matrices in ! nThetan , if maxfx T C 1 x; x T C 2 x; x T C 3 xg 0 for...

Triptolide Attenuates Endotoxin- and Staphylococcal Exotoxin-Induced T-Cell Proliferation and Production of Cytokines and Chemokines (1998)

Krakauer, Teresa, Chen, Xin, Howard, O. M., Young, Howard A.

Proinflammatory cytokines mediate the toxic effects of superantigenic staphylococcal exotoxins (SE) and bacterial lipopolysaccharide (LPS). Triptolide, an oxygenated diterpene derived from a...

Strong Duality for a Trust-Region Type Relaxation of the Quadratic Assignment Problem (1998)

Kurt Anstreicher, Xin Chen, Henry Wolkowicz, Ya-xiang Yuan

Lagrangian duality underlies many efficient algorithms for convex minimization problems. A key ingredient is strong duality. Lagrangian relaxation also provides lower bounds for nonconvex problems,...

Strong Duality for a Trust-Region Type Relaxation of the Quadratic Assignment Problem (1998)

Kurt Anstreicher, Xin Chen, Henry Wolkowicz, Ya-xiang Yuan

Lagrangian duality underlies many efficient algorithms for convex minimization problems. A key ingredient is strong duality. Lagrangian relaxation also provides lower bounds for nonconvex problems,...

Strong Duality for a Trust-Region Type Relaxation of the Quadratic Assignment Problem (1998)

Kurt Anstreicher, Xin Chen, Henry Wolkowicz, Ya-xiang Yuan

Lagrangian duality underlies many efficient algorithms for convex minimization problems. A key ingredient is strong duality. Lagrangian relaxation also provides lower bounds for nonconvex problems,...

Continuous GPS monitoring of crustal deformation with the Western Canada Deformation Array: 1992-1995 (British Columbia). (1998)

Chen, Xin

The objective of this thesis is to conduct research on high-precision, continuous GPS monitoring of the crustal deformation in the northern Cascadia subduction zone, which is located in southwestern...

Performance analysis of persistent hypertext transfer protocol (HTTP) over satellite links (1997)

Chen, Xin

HTTP/1.0 uses one request/response per TCP connection. Due to the TCP con- nection overhead and the TCP congestion control, this scheme works inefficiently. Persistent HTTP (HTTP/1.1) improves the...

An alternative approach to Jaynes-Cummings model with dissipation at finite temperature (1995)

Kuang, Le-man, Chen, Guang-hong, Ge, Mo-lin, Chen, Xin

An alternative approach to the Jaynes-Cummings model (JCM) with dissipation at a finite enviromental temperature is presented in terms of a new master equation under Born-Markovian approximations. An...