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Displaying 1-44 out of 44 total
Solving Multi-criteria Minimum Spanning Tree Problem with Discrete Particle Swarm Optimization
Found in: International Conference on Natural Computation
By Wenzhong Guo, Guolong Chen, Xiang Feng, Lun Yu
Issue Date:August 2007
pp. 471-478
The minimum spanning tree (MST) of a graph is an important concept in network design, the basic MST problem can be solved efficiently, but the multi-criteria MST (mc-MST) is NP-hard problem. In this paper, a discrete particle swarm optimization (PSO) appro...
 
Effect on the Properties of Different Preparation Processes in Ca3Co4O9 Thermoelectric Material
Found in: Electrical and Control Engineering, International Conference on
By Yuankui Chen, Chuan Chen, Xiang Li
Issue Date:June 2010
pp. 4672-4676
Ca3Co4O9 samples were prepared by pressureless sintering, hot-pressing sintering (HP) and spark plasma sintering (SPS), and the effect of different preparation processes on the thermoelectric properties of Ca3Co4O9 were systematically studied. The results ...
 
Frequency-Domain Sonar Processing in FPGAs
Found in: Pacific-Asia Workshop on Computational Intelligence and Industrial Application, IEEE
By Peng Chen, Xiang Tian, Yaowu Chen
Issue Date:December 2008
pp. 756-760
This paper proposes a new improved algorithm for three dimensional (3D) sonar beamforming in the frequency-domain: The improved algorithm is based on the resolution of echo displacement vector. The data-path on field-programmable gate arrays (FPGAs) for th...
 
Efficient Similarity Search in Nonmetric Spaces with Local Constant Embedding
Found in: IEEE Transactions on Knowledge and Data Engineering
By Lei Chen, Xiang Lian
Issue Date:March 2008
pp. 321-336
Similarity-based search has been a key factor for many applications, such as multimedia retrieval, data mining, web search and retrieval, and so on. There are two important issues related to the the similarity search, namely the design of a distance functi...
 
3D Model Retrieval Method Based on Single View
Found in: 2012 Eighth International Conference on Computational Intelligence and Security (CIS)
By Zhi Liu,Qihua Chen,Xiang Pan,Yipan Feng
Issue Date:November 2012
pp. 275-279
In order to solve the view redundant problem in existing research work, we propose an approach based on a single view for 3D model shape feature measuring, and the similarity between models is calculated through dynamic programming algorithm. This method i...
 
Research of Two-stage Consumers' Trust Model Based on B2C E-business
Found in: Communications and Mobile Computing, International Conference on
By Chen Xiang, Jiao Pingping
Issue Date:April 2010
pp. 233-236
This paper established a two-stage logic trust model for consumers with online shopping experience and without, and on this base, put forward the corresponding calculation formula and assessment method of trust degree, which provide reference and experienc...
 
TACS: A Transparent Application Bandwidth Management System
Found in: Computer and Information Technology, International Conference on
By Xianqin Chen, Xiang Long, Xiaopeng Gao, Junjie Ma
Issue Date:October 2009
pp. 46-51
With the rapid advance of computer and network technology, more and more applications are deployed in the customer-side network. These applications require different quality of service (QoS), but have to share a few bandwidth limited internet connections. ...
 
Program Evaluation and Review Technique Based on Moment Generating Function and its Application in Software Engineering
Found in: Software Engineering, World Congress on
By Chen Xiang, Wu Yue
Issue Date:May 2009
pp. 49-52
In software projects, Program Evaluation and Review Technique (PERT) is frequently used to estimate the schedule of the uncertain projects. However, classic PERT does not allow the existence of loop in PERT graph, and assuming that all the activities time ...
 
Approach for Performance Analysis of Arbitrary Stochastic Workflow Nets
Found in: Computer Science and Information Engineering, World Congress on
By Chen Xiang, Yang Jin
Issue Date:April 2009
pp. 30-34
In the existing approaches for performance analysis of WorkFlow nets (WF-nets), there is much restrictive for the time distribution functions of the activities in the model. Because the firing delay of different transitions in the WF-nets may be based on d...
 
Efficient Processing of Metric Skyline Queries
Found in: IEEE Transactions on Knowledge and Data Engineering
By Lei Chen, Xiang Lian
Issue Date:March 2009
pp. 351-365
Skyline query is of great importance in many applications, such as multi-criteria decision making and business planning. In particular, a skyline point is a data object in the database whose attribute vector is not dominated by that of any other objects. P...
 
Motif Discovery as a Multiple-Instance Problem
Found in: Tools with Artificial Intelligence, IEEE International Conference on
By Ya Zhang, Yixin Chen, Xiang Ji
Issue Date:November 2006
pp. 805-809
Motif discovery from biosequences, a challenging task both experimentally and computationally, has been a topic of immense study in recent years. In this paper, we formulate the motif discovery problem as a multiple-instance problem and employ a multiple-i...
 
Edge Detection and Texture Segmentation Based on Independent Component Analysis
Found in: Pattern Recognition, International Conference on
By Yen-Wei Chen, Xiang-Yan Zeng, Hanqing Lu
Issue Date:August 2002
pp. 30351
In this paper, we present a new feature extraction technique based on Independent Component Analysis (ICA). We use ICA to learn the basis functions of natural images and then the basis functions are used as pattern templates for feature detections. The suc...
 
Parsec: A Parallel Simulation Environment for Complex Systems
Found in: Computer
By Rajive Bagrodia, Richard Meyer, Mineo Takai, Yu-an Chen, Xiang Zeng, Jay Martin, Ha Yoon Song
Issue Date:October 1998
pp. 77-85
<p>Design and development costs for extremely large systems could be significantly reduced if only there were efficient techniques for evaluating design alternatives and predicting their impact on overall system performance metrics. Due to the system...
 
A Multi-interests Model of Recommendation System Based on Customer Life Cycle
Found in: Intelligent Computation Technology and Automation, International Conference on
By Wu Yue,Chen Xiang
Issue Date:January 2012
pp. 22-25
Recommendation System is one of the most important research topics in E-commerce, and multiple recommendation methods have been developed. However, most traditional ways didn't consider the variability and diversity of user interests. To solve this problem...
 
Semi-supervised and Interactive Semantic Concept Learning for Scene Recognition
Found in: Pattern Recognition, International Conference on
By Xian-Hua Han, Yen-Wei Chen, Xiang Ruan
Issue Date:August 2010
pp. 3045-3048
In this paper, we present a novel semi-supervised and interactive concept learning algorithm for scene recognition by local semantic description. Our work is motivated by the continuing effort in content-based image retrieval to extract and to model the se...
 
Image Categorization by Learned Nonlinear Subspace of Combined Visual-Words and Low-Level Features
Found in: Pattern Recognition, International Conference on
By Xian-Hua han, Yen-Wei Chen, Xiang Ruan
Issue Date:August 2010
pp. 3037-3040
Image category recognition is important to access visual information on the level of objects and scene types. This paper presents a new algorithm for the automatic recognition of object and scene classes. Compact and yet discriminative visual-words and low...
 
Research of New Wireless Sensor Network Protocol: ZigBee RF4CE
Found in: Electrical and Control Engineering, International Conference on
By Su Dong-feng, Chen Xiang-jian, Li Di, Xu Zhi-jun, Cheng Zhi-feng
Issue Date:June 2010
pp. 2921-2924
Currently most existing remote controls for consumer electronics use infrared remotes (IR) technology to control devices which Increases the demand for advanced functionality that cannot be supported by existing IR. RF remotes provide new levels of interac...
 
Coal Mine Enterprises Merger & Acquisition Efficiency Prediction Based on Support Vector Machine
Found in: International Workshop on Knowledge Discovery and Data Mining
By Chen Xiang, Cai Weihua
Issue Date:January 2010
pp. 564-567
Presently, China coal mine enterprises are under merger and reorganization great environment. These enterprises merger and acquisition (M&A) process efficiency predictions lack theoretical support. The paper constructed coal enterprises M&A efficie...
 
Coal Enterprises Safety Investment Efficiency Analysis Based on Data Envelopment
Found in: International Workshop on Knowledge Discovery and Data Mining
By Chen Xiang, Zhou Haikun
Issue Date:January 2010
pp. 175-178
The paper constructed the data envelope analysis input and output index system of coal mine safety investment. Adopting the method to make the empirical analysis of a mining group safety investment efficiency, the results show: the group safety investment ...
 
Coal Enterprises Merger and Acquisition Risk Prediction Based on Support Vector Machine
Found in: Intelligent Computation Technology and Automation, International Conference on
By Chen Xiang, Cai Weihua, Xiao Ming
Issue Date:October 2009
pp. 154-157
Presently, China’s coal enterprises are in a merger and acquisition (M&A) phase environment. The coal enterprises M&A risk prediction research is less, and lacks corresponding theory support. The paper built the coal enterprises M&A risk evalua...
 
Comparative Analysis of Fingerprint Orientation Field Algorithms
Found in: Image and Graphics, International Conference on
By Dahai Chen, Xiang Ji, Feng Fan, Jun Zhang, Lei Guo, Weihua Meng
Issue Date:September 2009
pp. 796-801
Fingerprint images are textural images consisting of ridges and valleys. The orientation of textures can be determined by orientation field computation. Fingerprint orientation field is the critical basis for fingerprint image segmentation, filtering enhan...
 
Research on Technology of Mini-terms Optimization for Logic Function
Found in: Software Engineering, World Congress on
By Fen Li, Jian-lin Qiu, Jian-ping Chen, Xiang Gu, Dan Ji
Issue Date:May 2009
pp. 451-455
A logic optimization algorithm of logic function based on mini-terms is presented. It can find the implement covering by computing on-sets covering and generate the implicants which can cover the on-sets without computing prime implicants. It can reduce th...
 
Imitation of Plants Inflorescence Based on Fusion of L-System and IFS
Found in: Information and Computing Science, International Conference on
By Peng Chen, Xiang Li
Issue Date:May 2009
pp. 175-178
Plants simulation is one of the research domains which are full of challenges. Since the L-System and IFS both have limitations in the field of plant inflorescence simulation, the images of plant organs generated by using L-System or IFS are lack of enough...
 
Geodesic Fourier Descriptor for 2D Shape Matching
Found in: Embedded Software and Systems, International Conference on
By Bo Chen, Xiang Pan
Issue Date:July 2008
pp. 447-452
Fourier descriptor is widely used for shape analysis and shape matching. Generally, the Euclid distance from boundary point to shape centroid is used in constructing Fourier descriptor. This kind of shape descriptor, however, is sensitive for rigid-transfo...
 
On the Dynamic Ant Colony Algorithm Optimization Based on Multi-pheromones
Found in: Computer and Information Science, ACIS International Conference on
By Ya-mei Xia, Jun-liang Chen, Xiang-wu Meng
Issue Date:May 2008
pp. 630-635
In this paper, an algorithm DACO (Dynamic Ant Colony Algorithm Optimization Based onMulti-pheromone) is put forward to apply to the dynamics of web services state and QoS in service composition optimization. Setting multiple pheromones to denote different ...
 
SQS: A Secure and QoS Guaranteed Solution for Mobile Service
Found in: Computer Software and Applications Conference, Annual International
By Chao Tong, Xiaopeng Gao, Wei Chen, Xiang Long
Issue Date:July 2007
pp. 343-352
Mobile IP protocol, a standard proposed by the Internet Engineering Task Force, was designed to support IP mobility. On the basis of analysis of Mobile IP protocol, it can be concluded that some problems (e.g., security flaws, limited agents deployments, t...
 
Damping Ditch Effect Analysis of Blasting Vibration Based on Wavelet Transform
Found in: Information Science and Engineering, International Conference on
By Zhiyang Chen, Xiang Fang, Weiping Zhang, Mingshou Zhong
Issue Date:December 2009
pp. 524-527
This paper researched the propagation laws of blasting seismic wave under the action of damping ditch, with the help of blasting vibration test and wavelet transform method. Blasting seismic wave is short-time non-stationary random signal. According to the...
 
Study on Seat Density Based on Comfort Analysis and Optimization Design
Found in: 2013 Fourth International Conference on Intelligent Systems Design and Engineering Applications (ISDEA)
By Chen Xiang-Rong,Wu Shuo-Xian
Issue Date:November 2013
pp. 590-594
The multimedia technology has been applied in various areas and obtains huge achievements. To develop traditional sports education, some existing problems are summarized in this paper. As well we proposed several novel ideas to built multimedia courses in ...
 
A case for scaling applications to many-core with OS clustering
Found in: Proceedings of the sixth conference on Computer systems (EuroSys '11)
By Binyu Zang, Haibo Chen, Rong Chen, Xiang Song, Yuanxuan Wang
Issue Date:April 2011
pp. 61-76
This paper proposes an approach to scaling UNIX-like operating systems for many cores in a backward-compatible way, which still enjoys common wisdom in new operating system designs. The proposed system, called Cerberus, mitigates contention on many shared ...
     
Evaluating the potential of graphics processors for high performance embedded computing
Found in: 2011 Design, Automation & Test in Europe
By Shuai Mu, Chenxi Wang, Ming Liu, Dongdong Li, Maohua Zhu, Xiaoliang Chen, Xiang Xie, Yangdong Deng
Issue Date:March 2011
pp. 1-6
Today's high performance embedded computing applications are posing significant challenges for processing throughout. Traditionally, such applications have been realized on application specific integrated circuits (ASICs) and/or digital signal processors (...
   
A memory effective two-phase approach for large scanned surface mesh simplification
Found in: Shape Modeling and Applications, International Conference on
By Yi-Ling Chen, Xiang Zhang
Issue Date:June 2008
pp. 275-276
We present a novel two-phase multi-attribute algorithm suitable for large surface mesh simplification. By employing a linear combination of error metrics to control the process, the proposed algorithm incorporates geometric error control and preserves othe...
   
A Semantic-based Grid Service Discovery and Composition
Found in: Semantics, Knowledge and Grid, International Conference on
By Tao Chen, Xiang Zhou, Nong Xiao
Issue Date:October 2007
pp. 527-530
Nowadays, most grid service discovery use keyword matching and never describe the matching degree. Meantime, a user's request cannot be satisfied by any available service, whereas a composite service obtained by combining available services can be used. Wh...
 
Blind Separation Based on an Evolutionary Neural Network
Found in: Pattern Recognition, International Conference on
By Yen-Wei Chen, Xiang-Yan Zeng, Zensho Nakao
Issue Date:September 2000
pp. 2973
In this paper, we propose an evolutionary neural network for blind source separation (BSS). In the proposed method, the separating matrix is used as connection weights of the network, which are updated by a genetic algorithm (GA). A higher-order statistics...
 
Clock calibration using fluorescent lighting
Found in: Proceedings of the 18th annual international conference on Mobile computing and networking (Mobicom '12)
By Cheng Li, Jingyao Dai, Mo Li, Wenwei Chen, Xiang-Yang Li, Yunhao Liu, Zhenjiang Li
Issue Date:August 2012
pp. 463-466
In this demo, we propose a novel clock calibration approach called FLIGHT, which leverages the fact that the fluorescent light intensity changes with a stable period that equals half of the alternating current's. By tuning to the light emitted from indoor ...
     
FLIGHT: clock calibration using fluorescent lighting
Found in: Proceedings of the 18th annual international conference on Mobile computing and networking (Mobicom '12)
By Cheng Li, Mo Li, Wenwei Chen, Xiang-Yang Li, Yunhao Liu, Zhenjiang Li
Issue Date:August 2012
pp. 329-340
In this paper, we propose a novel clock calibration approach called FLIGHT, which leverages the fact that the fluorescent light intensity changes with a stable period that equals half of the alternating current's. By tuning to the light emitted from indoor...
     
Cost-efficient repair in inconsistent probabilistic databases
Found in: Proceedings of the 20th ACM international conference on Information and knowledge management (CIKM '11)
By Lei Chen, Xiang Lian, Yincheng Lin
Issue Date:October 2011
pp. 1731-1736
Due to the ubiquitous data uncertainty in many emerging real applications, efficient management of probabilistic databases has become an increasingly important yet challenging problem. In particular, one fundamental task of data management is to identify t...
     
Efficient query answering in probabilistic RDF graphs
Found in: Proceedings of the 2011 international conference on Management of data (SIGMOD '11)
By Lei Chen, Xiang Lian
Issue Date:June 2011
pp. 157-168
In this paper, we tackle the problem of efficiently answering queries on probabilistic RDF data graphs. Specifically, we model RDF data by probabilistic graphs, and an RDF query is equivalent to a search over subgraphs of probabilistic graphs that have hig...
     
Reverse skyline search in uncertain databases
Found in: ACM Transactions on Database Systems (TODS)
By Lei Chen, Xiang Lian
Issue Date:February 2010
pp. 1-49
Reverse skyline queries over uncertain databases have many important applications such as sensor data monitoring and business planning. Due to the wide existence of uncertainty in many real-world data, answering reverse skyline queries accurately and effic...
     
Efficient join processing on uncertain data streams
Found in: Proceeding of the 18th ACM conference on Information and knowledge management (CIKM '09)
By Lei Chen, Xiang Lian
Issue Date:November 2009
pp. 857-866
Join processing in the streaming environment has many practical applications such as data cleaning and outlier detection. Due to the inherent uncertainty in the real-world data, it has become an increasingly important problem to consider the join processin...
     
iLight: device-free passive tracking by wireless sensor networks
Found in: Proceedings of the 7th ACM Conference on Embedded Networked Sensor Systems (SenSys '09)
By Fang Chen, Xiang-Yang Li, Xingfa Shen, Xufei Mao
Issue Date:November 2009
pp. 315-316
In this work, we study indoor passive tracking problem in wireless sensor networks (WSNs), in which we assume the target being tracked is "clean", i.e., there is no any equipment carried by the target and the tracking procedure is considered to be passive....
     
Top-k dominating queries in uncertain databases
Found in: Proceedings of the 12th International Conference on Extending Database Technology: Advances in Database Technology (EDBT '09)
By Lei Chen, Xiang Lian
Issue Date:March 2009
pp. 94-104
Due to the existence of uncertain data in a wide spectrum of real applications, uncertain query processing has become increasingly important, which dramatically differs from handling certain data in a traditional database. In this paper, we formulate and t...
     
Monochromatic and bichromatic reverse skyline search over uncertain databases
Found in: Proceedings of the 2008 ACM SIGMOD international conference on Management of data (SIGMOD '08)
By Lei Chen, Xiang Lian
Issue Date:June 2008
pp. 13-14
Reverse skyline queries over uncertain databases have many important applications such as sensor data monitoring and business planning. Due to the existence of uncertainty in many real-world data, answering reverse skyline queries accurately and efficientl...
     
Probabilistic ranked queries in uncertain databases
Found in: Proceedings of the 11th international conference on Extending database technology: Advances in database technology (EDBT '08)
By Lei Chen, Xiang Lian
Issue Date:March 2008
pp. 1-3
Recently, many new applications, such as sensor data monitoring and mobile device tracking, raise up the issue of uncertain data management. Compared to "certain" data, the data in the uncertain database are not exact points, which, instead, often locate w...
     
Dynamic skyline queries in metric spaces
Found in: Proceedings of the 11th international conference on Extending database technology: Advances in database technology (EDBT '08)
By Lei Chen, Xiang Lian
Issue Date:March 2008
pp. 1-3
Skyline query is of great importance in many applications, such as multi-criteria decision making and business planning. In particular, a skyline point is a data object in the database whose attribute vector is not dominated by that of any other objects. P...
     
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