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Displaying 1-50 out of 167 total
CSS: Conditional State-Based Scheduling for Networked Control Systems
Found in: 2012 IEEE 18th International Conference on Embedded and Real-Time Computing Systems and Applications (RTCSA 2012)
By Xi Chen,Akramul Azim,Xue Liu,Sebastian Fischmeister
Issue Date:August 2012
pp. 78-87
Modern industrial networked control systems(NCSs) tend to be complicated and have dynamic workload by holding a variety of applications via a shared network. The static network scheduling algorithms fit most NCSs due to their deterministic characteristics ...
Piecing together the segmentation jigsaw using context
Found in: Computer Vision and Pattern Recognition, IEEE Computer Society Conference on
By Xi Chen,A. Jain,A. Gupta,L. S. Davis
Issue Date:June 2011
pp. 2001-2008
We present an approach to jointly solve the segmentation and recognition problem using a multiple segmentation framework. We formulate the problem as segment selection from a pool of segments, assigning each selected segment a class label. Previous multipl...
Temperature Control Framework Using Wireless Sensor Networks and Geostatistical Analysis for Total Spatial Awareness
Found in: Parallel Architectures, Algorithms, and Networks, International Symposium on
By Charles Castello, Jeffrey Fan, Asad Davari, Ruei-Xi Chen
Issue Date:December 2009
pp. 717-721
This paper presents a novel framework for intelligent temperature control in smart homes using Wireless Sensor Networks (WSN) and geostatistical analysis for total spatial awareness. Sampled temperature readings from sensor nodes have the ability to inform...
Accelerated Gradient Method for Multi-task Sparse Learning Problem
Found in: Data Mining, IEEE International Conference on
By Xi Chen, Weike Pan, James T. Kwok, Jaime G. Carbonell
Issue Date:December 2009
pp. 746-751
Many real world learning problems can be recast as multi-task learning problems which utilize correlations among different tasks to obtain better generalization performance than learning each task individually. The feature selection problem in multi-task s...
Settling the Complexity of Arrow-Debreu Equilibria in Markets with Additively Separable Utilities
Found in: Foundations of Computer Science, Annual IEEE Symposium on
By Xi Chen, Decheng Dai, Ye Du, Shang-Hua Teng
Issue Date:October 2009
pp. 273-282
We prove that the problem of computing an Arrow-Debreu market equilibrium is PPAD-complete even when all traders use additively separable, piecewise-linear and concave utility functions. In fact, our proof shows that this market-equilibrium problem does no...
A Novel Classification Approach Based on Support Vector Machine and Adaptive Particle Swarm Optimization Algorithm
Found in: Knowledge Acquisition and Modeling, International Symposium on
By Xi Chen, Jing Han
Issue Date:December 2008
pp. 703-707
In this article we describe a novel Adaptive particle swarm optimization (APSO) algorithm based on population diversity information. It is presented to solve the precocious convergence problem of particle swarm optimization algorithm. The APSO algorithm us...
Information Coverage Configuration with Energy Preservation in Large Scale Wireless Sensor Networks
Found in: Computer and Information Technology, International Conference on
By Hongxing Bai, Xi Chen, Yu-Chi Ho, Xiaohong Guan
Issue Date:September 2006
pp. 221
Coverage configuration is an important issue in large scale wireless sensor networks (WSNs). Existing coverage configuration methods are generally based on the concept of physical coverage. That is, a point is covered if it is located within the sensing ar...
Synthetic Biology Design and Analysis: A Case Study of Frequency Entrained Biological Clock
Found in: Bioinformatics and Biomedicine, IEEE International Conference on
By Peng Yu, Xi Chen, David Z. Pan, Andrew D. Ellington
Issue Date:November 2008
pp. 329-334
Biological clock, a self sustaining oscillation widely discoveredin many species, is important to determine many biological activities,for example, the sleep-wake cycle. Although the frequency entrainment ofbiological clock has long been observed, the exac...
Comparative Study of Three Feature Selection Methods for Regional Land Cover Classification Using MODIS Data
Found in: Image and Signal Processing, Congress on
By Shijin Li, Yuelong Zhu, Jun Feng, Ping Ai, Xi Chen
Issue Date:May 2008
pp. 565-569
Selecting suitable features is very crucial for achieving successful classification of land cover types. This paper presents a comparative study of three typical feature selection methods for the task of regional land cover classification using MODIS data....
A Method for Interval Multiple Attribute Decision Making with Loss Aversion
Found in: Information Science and Management Engineering, International Conference of
By Fa-dong Chen, Xiao Zhang, Feng Kang, Zhi-ping Fan, Xi Chen
Issue Date:August 2010
pp. 453-456
This paper proposes a method for solving interval multiple attribute decision-making problems with loss aversion. In this method, the behavioral and cognitive factors of decision makers in reality are considered. Firstly, each alternative is chosen as the ...
Using Diversity as an Additional-objective in Dynamic Multi-objective Optimization Algorithms
Found in: Electronic Commerce and Security, International Symposium
By Hao Chen, Ming Li, Xi Chen
Issue Date:May 2009
pp. 484-487
This paper investigates the use of additional-objective for solving multi-objective optimization problems in dynamic environment. A number of authors proposed the use of additional-objective for maintaining diversity in static single-objective optimization...
Adaptive Accurate Indoor-Localization Using Passive RFID
Found in: 2013 International Conference on Parallel and Distributed Systems (ICPADS)
By Xi Chen,Lei Xie,Chuyu Wang,Sanglu Lu
Issue Date:December 2013
pp. 249-256
In many pervasive applications like the intelligent bookshelves in libraries, it is essential to accurately locate the items to provide the location-based service, e.g., the average localization error should be smaller than 50 cm and the localization delay...
Rumor Propagation in Online Social Networks Like Twitter -- A Simulation Study
Found in: Multimedia Information Networking and Security, International Conference on
By Dechun Liu,Xi Chen
Issue Date:November 2011
pp. 278-282
Rumor has drawn much of the attention of researchers, considering its importance and influence, as well as its complexity. Under different circumstances, the process and results of rumor spreading are also different. The method of agent-based modeling is c...
A Survey on QoS-aware Web Service Composition
Found in: Multimedia Information Networking and Security, International Conference on
By Yulu Shi,Xi Chen
Issue Date:November 2011
pp. 283-287
A comprehensive summary for QoS-aware web service composition, including QoS models and searching algorithms, has been presented in this paper. First, we have introduced the basic workflow models for service composition and their corresponding QoS aggregat...
Web Service Based Enterprise Mobile Information System
Found in: Multimedia Information Networking and Security, International Conference on
By Jingjing Tao, Xi Chen
Issue Date:November 2010
pp. 320-323
Mobile applications are changing the behavior of individuals and also of organizations. Instant access to information is beneficial for us in many business situations. More and more enterprises have recognized the potential importance and transformative im...
Research on Optical Fiber Transport Network Topology Optimization Supporting Smart Grid Core Services
Found in: 2010 International Conference on Intelligent System Design and Engineering Application (ISDEA 2010)
By Xin Miao, Xi Chen
Issue Date:October 2010
pp. 232-235
United States, Europe and China is the emergence of the smart power grid construction, there is an urgent need to optimize the power optical fiber transmission network topology to meet the core services of the smart power grid reliability, real-time perfor...
Design and Implementation of a High-Performance Microprocessor Cache Compression Algorithm
Found in: Data Compression Conference
By Xi Chen, Lei Yang, Haris Lekatsas, Robert P. Dick, Li Shang
Issue Date:March 2008
pp. 43-52
Researchers have proposed using hardware data compression units within the memory hierarchies of microprocessors in order to improve performance, energy efficiency, and functionality. However, most past work, and in particular work on cache compression, ha...
Efficient Method for Geometric Attribute Estimation
Found in: Computer Graphics, Imaging and Visualization, International Conference on
By Xi Chen, Yinglin Ke, An Li
Issue Date:July 2004
pp. 209-214
A new method is proposed to estimate the discrete geometric attributes, such as normal vector and curvature. The method contains two steps: points sampling and 4D Shepard interpolation. In the first step, we extract points from point cloud and estimate the...
Reconstruction of Transcriptional Regulatory Networks by Stability-Based Network Component Analysis
Found in: IEEE/ACM Transactions on Computational Biology and Bioinformatics
By Xi Chen,Jianhua Xuan,Chen Wang,Ayesha N. Shajahan,Rebecca B. Riggins,Robert Clarke
Issue Date:November 2013
pp. 1347-1358
Reliable inference of transcription regulatory networks is a challenging task in computational biology. Network component analysis (NCA) has become a powerful scheme to uncover regulatory networks behind complex biological processes. However, the performan...
A Transductive Transfer Learning Method for Ship Target Recognition
Found in: 2013 Seventh International Conference on Image and Graphics (ICIG)
By Zhiping Dan,Nong Sang,Ruolin Wang,Yanfei Chen,Xi Chen
Issue Date:July 2013
pp. 418-422
Ship target recognition in infrared image remains a difficult problem, due to the projection or silhouette of a three-dimensional ship target being variable in shape, orientation and scale to make its recognizability unstable. In this paper, a transductive...
Medical Ultrasonography Denoising Using Sparse Coding Shrinkage
Found in: 2013 Seventh International Conference on Image and Graphics (ICIG)
By Xi Chen,Nong Sang,Haitao Gan,Zhiping Dan,Yanfei Chen,Hexing Ren
Issue Date:July 2013
pp. 68-72
A locally adaptive shrinkage Bayesian estimate for medical ultrasonography denoising is proposed by exploiting the correlation among image sparse coding. The Laplacian distribution is used to model the coding coefficients. The paper deduces the MAP estimat...
RMORM: A framework of Multi-objective Optimization Resource Management in Clouds
Found in: 2013 IEEE World Congress on Services (SERVICES)
By Wenyun Dai,Haopeng Chen,Wenting Wang,Xi Chen
Issue Date:June 2013
pp. 488-494
Cloud computing has attracted increasing attention in recent years. With the growth in the number and frequency of applications being deployed into clouds, the burden of resource management of cloud providers is becoming heavier. The resource deployment mu...
Application of Internet of Things in Power-Line Monitoring
Found in: 2012 International Conference on Cyber-Enabled Distributed Computing and Knowledge Discovery (CyberC)
By Xi Chen,Limin Sun,Hongsong Zhu,Yan Zhen,Hongbin Chen
Issue Date:October 2012
pp. 423-426
The Internet of Things (IoT) has been considered as the third revolution in the digital technology after the computer and the Internet, and it brings significant advantages to smart grid. Disaster prediction and prevention of power-lines is one of the most...
An Availability-Aware Virtual Machine Placement Approach for Dynamic Scaling of Cloud Applications
Found in: 2012 IEEE 9th Int'l Conference on Ubiquitous Intelligence & Computing / 9th Int'l Conference on Autonomic & Trusted Computing (UIC/ATC)
By Wenting Wang,Haopeng Chen,Xi Chen
Issue Date:September 2012
pp. 509-516
Cloud computing promises customers the on-demand ability to dynamically provision virtualization resources in face of workload variations. Most existing scaling approaches addressed this problem by allocating application to a certain amount of cloud resour...
An Availability-Aware Approach to Resource Placement of Dynamic Scaling in Clouds
Found in: 2012 IEEE 5th International Conference on Cloud Computing (CLOUD)
By Wenting Wang,Haopeng Chen,Xi Chen
Issue Date:June 2012
pp. 930-931
The availability of Web applications influenced by Virtual Machine (VM)-based physical locations during resource scaling is a crucial concern for customers and cloud providers. In this paper, we present a novel computing model to describe availability attr...
Characterizing web application performance for maximizing service providers' profits in clouds
Found in: Cloud and Service Computing, International Conference on
By Xi Chen,Haopeng Chen,Qing Zheng,Wenting Wang,Guodong Liu
Issue Date:December 2011
pp. 191-198
A number of challenges in implementing cloud technique related to further improving Web application performance and decreasing the cost. In order to achieve high profits, cloud-based web application providers must carefully balance cloud resources and dyna...
A Mechanism for Web Service Selection and Recommendation Based on Multi-QoS Constraints
Found in: Services, IEEE Congress on
By Shao-chong Li, Hao-peng Chen, Xi Chen
Issue Date:July 2010
pp. 221-228
Service-Oriented Architecture (SOA) provides a flexible framework for service composition. In a service market scenario, given a functional description of service, different providers may offer diverse service implementations that match such a functional d...
Modeling and Simulation of Multi-legged Walking Machine Prototype
Found in: Measuring Technology and Mechatronics Automation, International Conference on
By Gang Wang, Lixun Zhang, Dongliang Chen, Defeng Liu, Xi Chen
Issue Date:April 2009
pp. 251-254
In this paper, a scheme of multi-legged walking machine is put forward accordingly. The mechanical design of the legs and freedom arrangement of the eight legs have been assembled according to the bionics. Based on biologically inspired, we set freedom by ...
The Quantitative Evaluation on X3D-Based ORGDM
Found in: Computer Science and Information Engineering, World Congress on
By Yan-Rui Chen, Tao Wang, Xi Chen, Xu Bai
Issue Date:April 2009
pp. 591-595
As the qualitative assessment does not objectively reflect the nature characteristics of the data model, it is also necessary to establish a quantitative evaluation method in order to scientifically reflect the performance computing space of X3D-based ORGD...
Subsequence-Based Text Segmentation and Labeling
Found in: Education Technology and Computer Science, International Workshop on
By Xi Chen, Shihong Chen
Issue Date:March 2009
pp. 582-587
Text segmentation is important for many natural language processing tasks, such as passage retrieval and summarization. This paper uses suffix tree model for the text representation and introduces a new measure, subsequence-based coherence, to represent th...
Research on Navigation Method in 3D Geographic Information System for Water Conservancy Projects of Large Basin
Found in: Education Technology and Training & Geoscience and Remote Sensing
By Yan-Rui Chen, Tao Wang, Xi Chen, Xu Bai
Issue Date:December 2008
pp. 521-524
Based on the daily management of water conservancy projects in large basin, one of very effective methods is to use the three-dimensional (3D) geographic information system (GIS), which can greatly improve efficiency and cut down the costs resulted from th...
Passage Extraction Using Subsequence-Based Query-Sensitive Maximum Cut
Found in: Knowledge Acquisition and Modeling, International Symposium on
By Xi Chen, Shihong Chen, Weiming Wang
Issue Date:December 2008
pp. 221-225
Passage extraction is an important component of passage retrieval. Sentence coherence and relevance is two factors mainly considered in the passage extraction. This paper proposes subsequence-based query-sensitive maximum cut algorithm for passage extracti...
K-Similar Conditional Random Fields for Semi-supervised Sequence Labeling
Found in: Advanced Language Processing and Web Information Technology, International Conference on
By Xi Chen, Shihong Chen, Kun Xiao
Issue Date:July 2008
pp. 21-26
Sequence labeling tasks, such as named entity recognition and part of speech tagging, are the fundamental compositions of the information extraction system, and thus received attentions these years. This paper proposes k-similar conditional random fields f...
Optimization of Electrostatic Detecting Ground Array
Found in: International Conference on Information Acquisition
By Fang Chen, Lixin Xu, Zhanzhong Cui, Xi Chen
Issue Date:August 2006
pp. 737-741
The electrostatic detecting round array can precisely detect the electrostatic target in a long distance. To improve the location accuracy of this detecting system, the optimization of the array arrangement must be carried on. Because of the complexity of ...
Error resilience for block loss with overlapped motion compensation
Found in: Image Processing, International Conference on
By Mei-Juan Chen, Liang-Gee Chen, Ruei-Xi Chen
Issue Date:October 1997
pp. 105
A new error resilience algorithm for recovering the lost blocks or motion vectors is presented. It combines the overlapped motion compensation and the side match criterion to make the effect of lost blocks subjectively imperceptible. The side match criteri...
Cross-Domain Scientific Collaborations Prediction with Citation Information
Found in: 2014 IEEE 38th International Computer Software and Applications Conference Workshops (COMPSACW)
By Ying Guo,Xi Chen
Issue Date:July 2014
pp. 229-233
Cross-domain Scientific Collaborations have promoted rapid development of science and generated many innovative breakthroughs. However, predicting cross-domain scientific collaboration problem is rarely studied and collaboration recommendation methods with...
Faster Canonical Forms for Strongly Regular Graphs
Found in: 2013 IEEE 54th Annual Symposium on Foundations of Computer Science (FOCS)
By Laszlo Babai, Xi Chen, Xiaorui Sun, Shang-Hua Teng,John Wilmes
Issue Date:October 2013
pp. 157-166
We show that a canonical form for strongly regular (s. r.) graphs can be found in time exp(Õ(n 1/5 ))and therefore isomorphism of s. r. graphs can be tested within the same time bound, where n is the number of vertices and the tilde hides a polylogarithmi...
An Improved Self-Training for Face Recognition
Found in: 2013 Seventh International Conference on Image and Graphics (ICIG)
By Haitao Gan,Nong Sang,Xi Chen,Zhiping Dan,Hexing Ren
Issue Date:July 2013
pp. 489-492
Face recognition has attracted considerable concerns in recent years. In practical applications, there are generally a small amount of labeled face images and a lot of unlabeled ones can be available. In this paper, we introduce a semi-supervised face reco...
SyRaFa: Synchronous Rate and Frequency Adjustment for Utilization Control in Distributed Real-Time Embedded Systems
Found in: IEEE Transactions on Parallel and Distributed Systems
By Xi Chen,Xiao-Wen Chang,Xue Liu
Issue Date:May 2013
pp. 1052-1061
To efficiently utilize the computing resources and provide good quality of service (QoS) to the end-to-end tasks in the distributed real-time systems, we can enforce the utilization bounds on multiple processors. The utilization control is challenging espe...
Personalized QoS-Aware Web Service Recommendation and Visualization
Found in: IEEE Transactions on Services Computing
By Xi Chen,Zibin Zheng,Xudong Liu,Zicheng Huang,Hailong Sun
Issue Date:January 2013
pp. 35-47
With the proliferation of web services, effective QoS-based approach to service recommendation is becoming more and more important. Although service recommendation has been studied in the recent literature, the performance of existing ones is not satisfact...
Service graph base: A unified graph-based platform for representing and manipulating service artifacts
Found in: 2012 5th IEEE International Conference on Service-Oriented Computing and Applications (SOCA)
By Xi Chen,Angel Lagares Lemos,Moshe Chai Barukh,Boualem Benatallah
Issue Date:December 2012
pp. 1-8
The number of Web-Services publicly accessible through APIs have rapidly grown in recent years. Although, while these services are key in providing access to data as well as a variety of functionality, often their full potential remains yet to be fully exp...
A Service Classification Approach Based on Suffix Tree Clustering
Found in: 2012 International Conference on Cloud and Service Computing (CSC)
By Haiyan Zhao,Lina Xi,Chen Qingkui
Issue Date:November 2012
pp. 156-160
Service classification approach that is based on text mining, semantic processing and machine learning is proposed. Specifically, Word Net is used to standardize service specifications and the classification approach applied is based on suffix tree cluster...
The Converged Service Oriented Architecture in Smart Home Service
Found in: 2012 International Conference on Cyber-Enabled Distributed Computing and Knowledge Discovery (CyberC)
By Sining Ma,Xi Chen,Guicai Song,Juan Wang,Limin Sun,Jia Yan
Issue Date:October 2012
pp. 237-240
Smart home has become a popular application all over the world. However, the service to interact with smart grid, and the service to guide residents utilize power, are ignored. In this paper, we propose an effective converged service oriented architecture ...
Training Toddlers Seated on Mobile Robots to Steer Using Force-Feedback Joystick
Found in: IEEE Transactions on Haptics
By Sunil K. Agrawal,Xi Chen,Christina Ragonesi,James C. Galloway
Issue Date:September 2012
pp. 376-383
The broader goal of our research is to train infants with special needs to safely and purposefully drive a mobile robot to explore the environment. The hypothesis is that these impaired infants will benefit from mobility in their early years and attain chi...
In-network Monitoring and Control Policy for DVFS of CMP Networks-on-Chip and Last Level Caches
Found in: Networks-on-Chip, International Symposium on
By Xi Chen,Zheng Xu,Hyungjun Kim,Paul Gratz,Jiang Hu,Michael Kishinevsky,Umit Ogras
Issue Date:May 2012
pp. 43-50
In chip design today and for a foreseeable future, on-chip communication is not only a performance bottleneck but also a substantial power consumer. This work focuses on employing dynamic voltage and frequency scaling (DVFS) policies for networks-on-chip (...
Effect of Pressure on Negative DC Corona Radiated Frequency Spectrum
Found in: Computer Science and Electronics Engineering, International Conference on
By Fan Bai,Zhan-zhong Cui,Xi Chen,Peng-fei Li
Issue Date:March 2012
pp. 42-45
Flight vehicle, based on various reasons, accumulates abundant charge in the course of high-speed flight and thus occur the phenomenon of corona discharge. This phenomenon offers a new way for air target detection. This paper aims at processing experimenta...
Direct Robust Matrix Factorizatoin for Anomaly Detection
Found in: Data Mining, IEEE International Conference on
By Liang Xiong,Xi Chen,Jeff Schneider
Issue Date:December 2011
pp. 844-853
Matrix factorization methods are extremely useful in many data mining tasks, yet their performances are often degraded by outliers. In this paper, we propose a novel robust matrix factorization algorithm that is insensitive to outliers. We directly formula...
Discretization Algorithm Based on Cut Set Knowledge Granularity
Found in: Computational Intelligence and Design, International Symposium on
By Lijuan Hou,Xi Chen
Issue Date:October 2011
pp. 26-29
NP-hard problem has been proved for searching the minimum cut set in discretization. Adopt the concept of cut knowledge grannulation, give the definition of cut's important degree, using cut's important degree as heuristic information, propose the algorith...
A Fuzzy Clustering Based Analysis of Migratory Customer Behavior
Found in: Computational and Information Sciences, International Conference on
By Indranil Bose,Xi Chen
Issue Date:October 2011
pp. 480-483
Customer clustering is used to identify behavioral patterns of customers so that businesses can align their marketing strategies with customers' preferences and retain them. In this paper, we develop a method for extending the standard fuzzy c-means cluste...
The Research on the Guidance Model based on Congestion Prediction
Found in: Internet Computing and Information Services, International Conference on
By Wei Zhonghua,Gao Li,Wang Xi,Chen Xuemei
Issue Date:September 2011
pp. 473-475
No summary available.
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