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Displaying 1-16 out of 16 total
Modeling Small-World Trust Networks
Found in: Ubiquitous Multimedia Computing, International Symposium on
By Xianchen Guo, Xinyou Li, Yan Qin, Chen Chen
Issue Date:October 2008
pp. 154-159
Constructing a trust network can provide a strong foundation for realizing security in ubiquitous environments. This approach is inspired by social networks, which have two typical characteristics: small-world and scale-free properties. Small-world propert...
Executability Analysis for Semantically Annotated Process Model
Found in: 2012 IEEE Asia-Pacific Services Computing Conference (APSCC)
By Ping Gong,Jian Min Jiang,Shi Zhang,Zhi Qin Chen
Issue Date:December 2012
pp. 117-124
Semantically annotated process model (SPM) is a process model with semantic annotations, which include the precondition and effect, labeled for its activities based on the domain ontology. Such semantic annotations can increase the model's understanding an...
Adaptive PID Controller Based on Generalized Predictive Control
Found in: Instrumentation, Measurement, Computer, Communication and Control, International Conference on
By Zhong Dai,Yubo Duan,Shuangshuang Xu,Keyong Shao,Qin Chen
Issue Date:October 2011
pp. 993-995
Consider the fundamental generalized predictive control is an explicit algorithm, which needs solving the Diophantine equation and the inverse of matrices, the on-line computational quantity is big and the real-time property is poor. This paper puts forwar...
An Extended Color Visual Cryptography Scheme with Multiple Secrets Hidden
Found in: Computational and Information Sciences, International Conference on
By Qin Chen, Xiaorong Lv, Min Zhang, Yiping Chu
Issue Date:December 2010
pp. 521-524
In the traditional visual cryptography schemes, only one piece of image was encoded during encryption. And each of the shares that are generated was shown as a disorganized image. Due to the capacity of encrypted information, these schemes have few applica...
Node Localization with a Mobile Beacon Based on Ant Colony Algorithm in Wireless Sensor Networks
Found in: Communications and Mobile Computing, International Conference on
By Fu Qin, Chen Wei, Liu Kezhong
Issue Date:April 2010
pp. 303-307
A novel node localization scheme using a mobile beacon is proposed. In this scheme, the number and positions of the virtual beacons is determined based on equilateral triple optimal coverage, so sufficient localization information can be obtained for each ...
Weighted-Position and Abstract Ranking Algorithm Based on User Profile for Metasearch Engine
Found in: Software Engineering, World Congress on
By Qiang Li, Qin Chen, Rong-bo Wang
Issue Date:May 2009
pp. 21-25
To improve search precision, a model of personalized meta-search engine is presented. In this model, a query result ranking algorithm called Weighted-Position & Abstract Ranking based-on User Profile (WPARUP) is proposed, which integrates these threes ...
Optimizing the Ant Clustering Model Based on K-Means Algorithm
Found in: Computer Science and Information Engineering, World Congress on
By Qin Chen, Jinping Mo
Issue Date:April 2009
pp. 699-702
Ant clustering is one of effective clustering methods. Compares to other clustering methods, ant clustering algorithm has one outstanding advantage and one disadvantage. The advantage is that the total numbers of cluster is generated automatically ,and the...
The Research on Selecting Cooperation Partner for Virtual Enterprise
Found in: Computer Science and Software Engineering, International Conference on
By Wuling Ren, Qin Chen
Issue Date:December 2008
pp. 1248-1251
To significantly improve the performance of supplier selection model, After analyzing the general approach for this problem, a new solution using Analytical Hierarchy Process(AHP), Technique for Order Preference By Similarity to Ideal Solution(TOPOSIS) and...
Medical Image Retrieval Based on Latent Semantic Indexing
Found in: Computer Science and Software Engineering, International Conference on
By Qin Chen,Xiaoying Tai,Baochuan Jiang,Gang Li,Jieyu Zhao
Issue Date:December 2008
pp. 561-564
To improve the performance of content-based medical image retrieval, herein an algorithm which makes use of latent semantic indexing (LSI) technology on gastroscopic image retrieval is proposed. First extract image’s color histogram and color autocorrelogr...
A Multiple Keyword Fusion Scheme for P2P IDS Alert
Found in: Intelligent Networks and Intelligent Systems, International Workshop on
By Ming Xu, Chaochi Lin, Qin Chen
Issue Date:November 2008
pp. 317-320
Alert fusion is a key problem in distributed intrusion detection system (DIDS). The paper proposes a distributed intrusion alert fusion scheme based on multiple keywords and routing infrastructure: distributed hash table (DHT). All the related alerts produ...
Gastroscopic Image Retrieval Based on PCA
Found in: Image and Signal Processing, Congress on
By Qin Chen, Xiaoying Tai
Issue Date:May 2008
pp. 505-509
Herein we describe a system for gastroscopic image retrieval which based on PCA algorithm. First quantize and cluster in HSV color space, make use of spatial partitioning-weighted method to calculate each block’s main color, and then combine with color cor...
Error-Resilient Video Coding Using Multiple Description Lattice Vector Quantization with Channel Optimization
Found in: Image and Signal Processing, Congress on
By Qin Chen
Issue Date:May 2008
pp. 539-542
An error-resilient video coding scheme using multiple description coding (MDC) is presented. MDC is an effective approach to combat packet losses in the Internet and wireless networks. This proposed scheme employs multiple description lattice vector quanti...
Sternum Image Retrieval Based on High-level Semantic Information and Low-level Features
Found in: BioMedical Engineering and Informatics, International Conference on
By Qin Chen, Xiaoying Tai
Issue Date:May 2008
pp. 362-366
In allusion to sternum images, herein we describe a system which supports image retrieval by content. Attention is focused on high-level semantic information representation of medical images. Then a feature fusion algorithm of medical image retrieval using...
TLA: A Traffic Load Adaptive Congestion Control Algorithm for TCP/AQM Networks
Found in: Intelligent Systems Design and Applications, International Conference on
By Ming Jiang, Qin Chen
Issue Date:October 2006
pp. 552-555
TCP combined with Active Queue Management algorithm is the primary solution of the congestion control problem of IP network. RED and BLUE are the famous AQM algorithms but neither of them performs well when traffic load is heavy and when the traffic load c...
A Stabilized Algorithm of the Reissner-Mindlin Plates
Found in: 2013 Fifth International Conference on Computational and Information Sciences (ICCIS)
By Guo Yuan Hui,Song Guo Qin,Chen Yu Mei
Issue Date:June 2013
pp. 1959-1962
This paper proposes a stabilized algorithm to design a high performance locking-free lowest order quadrilateral finite element for Reissner-Mindlin plates. It is based on the Hellinger-Reissner variational principle, which includes variables of displacemen...
BFCD: A Component Coordination Method based on Grid Workflow Engine
Found in: Grid and Cloud Computing, International Conference on
By Yang Qin, Chen Jun-Liang, Meng Xiang-Wu, Li Li
Issue Date:August 2007
pp. 737-744
The development of grid technology and the springing up of services oriented computing bring both opportunity and challenge to the field oriented software development. The component composition technology researches based on business flow have not yet full...