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Displaying 1-38 out of 38 total
Continuous Query for QoS-Aware Automatic Service Composition
Found in: 2012 IEEE 19th International Conference on Web Services (ICWS)
By Wei Jiang,Songlin Hu,Dongwon Lee,Shuai Gong,Zhiyong Liu
Issue Date:June 2012
pp. 50-57
Current QoS-aware automatic service composition queries over a network of Web services are often one-time innature. After a network of Web services is built, such queries are issued once, and answers are found from the scratch. The underlying assumption is...
 
An Ontology-Based Method of Adaptive Learning
Found in: Networked Computing and Advanced Information Management, International Conference on
By Zhiyong Liu, Lei Liu, Hui Kang, Shaochun Zhong, Bing Jia
Issue Date:August 2009
pp. 1586-1591
In e-learning, to provide personalized service according to learner’s characteristics is becoming a hot area which is concerned by many researchers. Learner model and reasoning algorithm are two important factors of impacting the system’s effects. In this ...
 
A Universally Stable and Energy-Efficient Scheduling Protocol for Packet Switching Network
Found in: 2013 IEEE 12th International Symposium on Network Computing and Applications (NCA)
By Yangguang Shi,Fa Zhang,Zhiyong Liu
Issue Date:August 2013
pp. 118-126
Energy efficiency is becoming an important issue in networks. Although some research works have been devoted to this topic, only a little attention has been paid to the stability of the network equipped with the energy conservation mechanisms. In fact, we ...
 
Incorporating Rate Adaptation Into Green Networking for Future Data Centers
Found in: 2013 IEEE 12th International Symposium on Network Computing and Applications (NCA)
By Lin Wang,Fa Zhang,Chenying Hou,Jordi Arjona Aroca,Zhiyong Liu
Issue Date:August 2013
pp. 106-109
Despite some proposals for energy-efficient topologies, most of the studies for saving energy in data center networks are focused on traffic engineering, i.e., consolidating flows and switching off unnecessary network devices. The major weakness of this ap...
 
Energy-Performance Modeling and Optimization of Parallel Computing in On-Chip Networks
Found in: 2013 12th IEEE International Conference on Trust, Security and Privacy in Computing and Communications (TrustCom)
By Shuai Zhang, Zhiyong Liu, Dongrui Fan, Fonglong Song, Mingzhe Zhang
Issue Date:July 2013
pp. 879-886
This paper discusses energy-performance trade-off of networks-on-chip with real parallel applications. First, we propose an accurate energy-performance analytical model that conduct and analyze the impacts of both frequency-independent and frequency-depend...
 
Discrete Min-Energy Scheduling on Restricted Parallel Processors
Found in: 2013 IEEE International Symposium on Parallel & Distributed Processing, Workshops and Phd Forum (IPDPSW)
By Xibo Jin,Fa Zhang,Zhiyong Liu
Issue Date:May 2013
pp. 2226-2229
Different from the previous work on energy-efficient algorithms, which focused on assumption that a task can be assigned to any processor, we study the problem of task Scheduling with the objective of Energy Minimization on Restricted Parallel Processors (...
 
Auto-Tuning GEMV on Many-Core GPU
Found in: 2012 IEEE 18th International Conference on Parallel and Distributed Systems (ICPADS)
By Weizhi Xu,Zhiyong Liu,Jun Wu,Xiaochun Ye,Shuai Jiao,Da Wang,Fenglong Song,Dongrui Fan
Issue Date:December 2012
pp. 30-36
GPUs provide powerful computing ability especially for data parallel algorithms. However, the complexity of the GPU system makes the optimization of even a simple algorithm difficult. Different parallel algorithms or optimization methods on a GPU often lea...
 
Libvmi: A Library for Bridging the Semantic Gap between Guest OS and VMM
Found in: 2012 IEEE 12th International Conference on Computer and Information Technology (CIT)
By Haiquan Xiong,Zhiyong Liu,Weizhi Xu,Shuai Jiao
Issue Date:October 2012
pp. 549-556
Semantic gap is one of the most important problems in the virtualized computer systems. Solving this problem not only helps to develop security and virtual machine monitoring applications, but also benefits for VMM resource management and VMM-based service...
 
Optimizing Sparse Matrix Vector Multiplication Using Cache Blocking Method on Fermi GPU
Found in: 2012 13th ACIS International Conference on Software Engineering, Artificial Intelligence, Networking and Parallel & Distributed Computing (SNPD)
By Weizhi Xu,Hao Zhang,Shuai Jiao,Da Wang,Fenglong Song,Zhiyong Liu
Issue Date:August 2012
pp. 231-235
It is an important task to tune performance for sparse matrix vector multiplication (SpMV), but it is also a difficult task because of its irregularity. In this paper, we propose a cache blocking method to improve the performance of SpMV on the emerging GP...
 
Time-Slot Energy-Efficient Scheduling Algorithm for Capacity Limited Networks
Found in: IEEE/ACM International Conference on Green Computing and Communications
By Chenying Hou,Fa Zhang,Lin Wang,Zhiyong Liu
Issue Date:August 2011
pp. 16-21
The current networks are often designed with redundancy in order to deal with unexpected failures, but this makes a large amount of energy consumption and bandwidth waste. In the real networks, the performance is limited by the link's capacity which gives ...
 
Multi-view Synthesis Using the Relative Affine Structure from Video Sequences
Found in: Multimedia and Signal Processing, International Conference on
By Huo Zhiyong, Liu Tianliang, Zhu Xiuchang
Issue Date:May 2011
pp. 212-216
This paper proposes an approach for Multi-view synthesis, the process of view synthesis based on the relative affine structure. We specifying the virtual camera position in an uncalibrated setting, based on the interpolation of the motion among the referen...
 
A Study on the Integrated MSW Management Technologies of Work Zone in the Hydropower Station of Yangtze Basin
Found in: Computer Distributed Control and Intelligent Environmental Monitoring, International Conference on
By Han Zhiyong, Liu Dan, Li Qibin, Xie Guangwu, Lang Jian, Zhang Luliang
Issue Date:February 2011
pp. 2416-2419
As the hydropower exploitation of Yangtze basin in China is booming, thousands of workers work and live in the construction encampment, which results in more and more serious MSW pollution. In order to control environment pollution and protect the health o...
 
VMGuard: An Integrity Monitoring System for Management Virtual Machines
Found in: Parallel and Distributed Systems, International Conference on
By Haifeng Fang, Yiqiang Zhao, Hongyong Zang, H. Howie Huang, Ying Song, Yuzhong Sun, Zhiyong Liu
Issue Date:December 2010
pp. 67-74
A cloud computing provider can dynamically allocate virtual machines (VM) based on the needs of the customers, while maintaining the privileged access to the Management Virtual Machine that directly manages the hardware and supports the guest VMs. The cust...
 
Correcting Interaction Mismatches for Business Processes
Found in: Services Computing, IEEE International Conference on
By Shuai Gong, Jinhua Xiong, Zhiyong Liu, Cheng Zhang
Issue Date:July 2010
pp. 457-465
Discovering and correcting interaction mismatches in inter-organizational business processes are important for service choreography. Automatic discovery mismatches and providing correcting plans will alleviate burdens on business modelers, however, three m...
 
QSynth: A Tool for QoS-aware Automatic Service Composition
Found in: Web Services, IEEE International Conference on
By Wei Jiang, Charles Zhang, Zhenqiu Huang, Mingwen Chen, Songlin Hu, Zhiyong Liu
Issue Date:July 2010
pp. 42-49
With the proliferation of Web services, service engineers demand good automatic service composition algorithms that not only synthesize the correct work plans from thousands of services but also satisfy the quality requirements of the users. Our observatio...
 
Election Campaign Algorithm for Multimodal Function Optimization
Found in: Computational Sciences and Optimization, International Joint Conference on
By Wenge Lv, Qinghua Xie, Zhiyong Liu, Xiangwei Zhang, Shaoming Luo, Siyuan Cheng
Issue Date:May 2010
pp. 157-161
In this paper, we present a new algorithm named Election campaign algorithm (ECA) for the multimodal function optimization. It acts by simulating the behavior that the election candidates pursue the highest support in election campaign. The proposed approa...
 
Snooping and Ordering Ring - An Efficient Cache Coherence Protocol for Ring Connected CMP
Found in: Parallel and Distributed Systems, International Conference on
By Fei Cao, Zhiyong Liu
Issue Date:December 2009
pp. 126-133
Ring is a promising on-chip interconnection for CMP. It is more scalable than bus and much simpler than packet-switched networks. The ordering property of ring can be used to optimize cache coherence protocol design. Existing ring protocols, such as the sn...
 
Accelerating MapReduce with Distributed Memory Cache
Found in: Parallel and Distributed Systems, International Conference on
By Shubin Zhang, Jizhong Han, Zhiyong Liu, Kai Wang, Shengzhong Feng
Issue Date:December 2009
pp. 472-478
MapReduce is a partition-based parallel programming model and framework enabling easy development of scalable parallel programs on clusters of commodity machines. In order to make time-intensive applications benefit from MapReduce on small scale clusters, ...
 
Modified Simultaneous Algebraic Reconstruction Technique and its Parallelization in Cryo-electron Tomography
Found in: Parallel and Distributed Systems, International Conference on
By Xiaohua Wan, Fa Zhang, Zhiyong Liu
Issue Date:December 2009
pp. 384-390
Three-dimensional reconstruction of cryo-electron tomography (cryo-ET) has emerged as the leading technique in analyzing structures of complex pleomorphic cellulars. A classical iterative method, simultaneous algebraic reconstruction technique (SART), has ...
 
Design of New Hash Mapping Functions
Found in: Computer and Information Technology, International Conference on
By Fenglong Song, Zhiyong Liu, Dongrui Fan, Junchao Zhang, Lei Yu, Nan Yuan, Wei Lin
Issue Date:October 2009
pp. 45-50
Conflict can decrease performance of computer severely, such as bank conflicts reduce bandwidth of interleave multibank memory systems and conflict misses reduce effective on-chip capacity, and this incurs much conflict miss further. Conflicts can be avoid...
 
Spatial Queries Evaluation with MapReduce
Found in: Grid and Cloud Computing, International Conference on
By Shubin Zhang, Jizhong Han, Zhiyong Liu, Kai Wang, Shengzhong Feng
Issue Date:August 2009
pp. 287-292
Spatial queries include spatial selection query, spatial join query, nearest neighbor query, etc. Most of spatial queries are computing intensive and individual query evaluation may take minutes or even hours. Parallelization seems a good solution for such...
 
Evaluation Method of Synchronization for Shared-Memory On-Chip Many-Core Processor
Found in: Parallel and Distributed Processing with Applications, International Symposium on
By Fenglong Song, Zhiyong Liu, Dongrui Fan, He Huang, Nan Yuan, Lei Yu, Junchao Zhang
Issue Date:August 2009
pp. 571-576
On-chip many-core architecture is an emerging and promising computation platform. High speed on-chip communication and abundant chipped resources are two outstanding advantages of this architecture, which provide an opportunity to implement efficient synch...
 
Effective Pruning Algorithm for QoS-Aware Service Composition
Found in: E-Commerce Technology, IEEE International Conference on
By Zhenqiu Huang, Wei Jiang, Songlin Hu, Zhiyong Liu
Issue Date:July 2009
pp. 519-522
Abstract—Automatic service composition has been a hottopic in both academia and industry. It begins with syntacticcomposition, and then evolves semantic description. Recently, QoS of the composition comes into researchers’ mind, which aims at meeting the n...
 
Study on Fine-Grained Synchronization in Many-Core Architecture
Found in: Software Engineering, Artificial Intelligence, Networking, and Parallel/Distributed Computing, ACIS International Conference on
By Lei Yu, Zhiyong Liu, Dongrui Fan, Fenglong Song, Junchao Zhang, Nan Yuan
Issue Date:May 2009
pp. 524-529
The synchronization between threads has serious impact on the performance of many-core architecture. When communication is frequent, coarse-grained synchronization brings significant overhead. Thus, coarse-grained synchronization is not suitable for this s...
 
ASCSS: An Automatic Service Composition Approach Based on Service Similarity
Found in: Semantics, Knowledge and Grid, International Conference on
By Wei Jiang, Songlin Hu, Wei Li, Wei Yan, Zhiyong Liu
Issue Date:December 2008
pp. 197-204
This paper realizes an approach for automatic service composition based on graph search (ASCGS for short). It forms an interoperable directed graph (IDG) by utilizing the interoperable relationships among services, and each request will be inserted tempora...
 
Face Tracking via Block Texture Feature Based Mean Shift
Found in: International Conference on Natural Computation
By Chunshui Zhao, Zhiyong Liu, Hong Qiao
Issue Date:October 2008
pp. 190-194
Face tracking plays an important role in many computer vision applications such as human-robot interaction and visual surveillance. However, it is still a challenging problem, due to various factors related to illumination, cluttered background and poses v...
 
An Effective Cache Overlapping Storage Structure for SMT Processors
Found in: Computer and Information Science, ACIS International Conference on
By Liqiang He, Zhiyong Liu
Issue Date:July 2005
pp. 300-305
Simultaneous Multithreaded (SMT) processors improve the instruction throughput by allowing fetching and running instructions from several threads simultaneously at a single cycle. With the number of running threads increasing, the performance of single thr...
 
An Effective Instruction Fetch Policy for Simultaneous Multithreaded Processors
Found in: High Performance Computing and Grid in Asia Pacific Region, International Conference on
By Liqiang He, Zhiyong Liu
Issue Date:July 2004
pp. 162-168
Simultaneous Multithreaded (SMT) processors improve the instruction throughput by allowing fetching and running instructions from several threads simultaneously at a single cycle. As the number of competing threads increasing, instruction throughput is lar...
 
A Jump and Look all round Long Range Image Restoration and Its Parallelism
Found in: Parallel Processing Workshops, International Conference on
By Wen Li, Xiangzhen Qiao, Dapeng Zhang, Zhiyong Liu
Issue Date:August 2000
pp. 285
Image information restoration algorithm based on Long-Range correlation (LR-IIRA) can be efficiently applied in image interpretation, restoration, and error concealment. However, this algorithm requires excessive computing time, which restricts its applica...
 
A Parallel Algorithm for Image Information Restoration
Found in: High-Performance Computing in the Asia-Pacific Region, International Conference on
By Wen Li, Xiangzheng Qiao, Dapeng Zhang, Zhiyong Liu
Issue Date:May 2000
pp. 790
Image information restoration algorithm based on Long-Range correlation (LR-IIRA) can be efficiently applied in image interpretation, restoration, and error concealment. However, this algorithm requires excessive computing time, which restricts its applica...
 
Universal stability results for greedy contention-resolution protocols
Found in: Foundations of Computer Science, Annual IEEE Symposium on
By M. Andrews, B. Awerbuch, A. Fernandez, J. Kleinberg, T. Leighton, Zhiyong Liu
Issue Date:October 1996
pp. 380
In this paper we analyze the behavior of communication networks in which packets are generated dynamically at the nodes and routed in discrete time steps across the edges. We focus on a basic adversarial model of packet generation and path determination fo...
 
Top K Query for QoS-Aware Automatic Service Composition
Found in: IEEE Transactions on Services Computing
By Wei Jiang,Songlin Hu,Zhiyong Liu
Issue Date:November 2013
pp. 1
With the proliferation of Web services, service engineers demand automatic service composition algorithms that not only synthesize the correct service compositions from thousands of services but also satisfy the quality requirements of users. This is known...
 
A Path-Adaptive Opto-electronic Hybrid NoC for Chip Multi-processor
Found in: 2013 12th IEEE International Conference on Trust, Security and Privacy in Computing and Communications (TrustCom)
By Mingzhe Zhang, Da Wang, Xiaochun Ye, Liqiang He, Dongrui Fan, Zhiyong Liu
Issue Date:July 2013
pp. 1198-1205
The continuous development of manufacture allows to integrate optical components in a chip, which providing a feasible solution for the communication between the cores in manycore processors. Considering the limitation of manufacture technology and the cha...
 
Dynamic load-balancing on a parallel inference system
Found in: Parallel and Distributed Processing, IEEE Symposium on
By Zhiyong Liu, Jia-Huai You
Issue Date:December 1990
pp. 58-61
Reports a dynamic load balancing algorithm on the hierarchical massively parallel inference system (HMPIS). The main concern is to reduce the communication overhead among the processors (inference clusters in the system). The algorithm, called LOOK-LEAP-Ba...
 
Improved structural modeling based on conserved domain clusters and structure-anchored alignments
Found in: Proceedings of the 2007 ACM symposium on Applied computing (SAC '07)
By Bo Yuan, Fa Zhang, Lin Xu, Zhiyong Liu
Issue Date:March 2007
pp. 128-132
In this paper, we presented a method to improve structural modeling based on conserved domain clusters and structure-anchored alignments. We first constructed a template library of structural clusters for all conserved sequence domains. Then, for each clus...
     
Exploring robust component-based software
Found in: Proceedings of the 2006 international workshop on Software quality (WoSQ '06)
By Shangwei Duan, Xiaobu Yuan, Zhiyong Liu
Issue Date:May 2006
pp. 75-80
The emerging technology of component-based software engineering offers huge potentials for quicker and easier software development. Meanwhile, it imposes big challenges on performance optimization of component-based software systems. Tolerance design deals...
     
Cache optimization in scientific computations
Found in: Proceedings of the 1999 ACM symposium on Applied computing (SAC '99)
By Qitao Gan, Xiangzhen Qiao, Xiaobo Li, Xiaotao Guo, Zhiyong Liu
Issue Date:February 1999
pp. 548-552
This paper describes the effects of program restructuring in a dataflow environment. Previous studies showed that dataflow programs can exhibit locality and that a memory hierarchy is feasible in a dataflow environment. This study shows that the order in w...
     
On storage schemes for parallel array access
Found in: Proceedings of the 6th international conference on Supercomputing (ICS '92)
By Jia-Huai You, Xiaobo Li, Zhiyong Liu
Issue Date:July 1992
pp. 282-291
In parallel matrix manipulation operations, some data patterns need to be accessed in one memory cycle without conflict. Investigating the frequently used data patterns, we propose a powerful skewing scheme which allows most frequently used data patterns o...
     
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