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作者： Zhang, De-Gan Wang, Yuan-Yuan Liu, Wei-Wei Zhang, Xiao-Li Tianjin Key Lab of Intelligent Computing and Novel Software Technology Tianjin University of Technology 300191 China Key Laboratory of Computer Vision and System Ministry of Education Tianjin University of Technology 300191 China

ISBN: (纸本)9780955529337

In pervasive computing paradigm, the image data obtained by a variety of multimedia, information equipment. In order to make use of these information reasonably and efficiently, a new method for image fusion based on fuzzy neural network has presented in this paper. It can fuse massive data from the multi-sensor image. Here, fuzzy neural network is a paraDel information processing model, there are more adaptive and self-organization, and can accomplish the complexity of real-time computing and mass data retrieval, it demonstrate its unique superiority of image understanding, pattern recognition and the handling of incomplete information. The fuzzy neural network system developed by us can be used in multi- sensor image fusion. Based on our experiments, it has been proved that the fusion is fast, effective, and can meet the real-time requirements of pervasive computing.

关键词： Fuzzy neural networks

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GIRAFFE: A scalable distributed coordination service for large-scale systems 16

GIRAFFE: A scalable distributed coordination service for lar...

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16th IEEE International Conference on Cluster computing, CLUSTER 2014

作者： Shi, Xuanhua Lin, Haohong Jin, Hai Zhou, Bing Bing Yin, Zuoning Di, Sheng Wu, Song Services Computing Technology and System Lab School of Computer Science and Technology Huazhong University of Science and Technology China Centre for Distributed and High Performance Computing School of Information Technologies University of Sydney Australia GraphSQL Inc. Australia INRIA Argonne National Laboratory United States

ISBN: (纸本)9781479955480

The scale of cloud services keeps increasing over time, significantly introducing huge challenges in system manageability and reliability. Designing coordination services in cloud is the right track to solve the above problems. However, existing coordination services (e.g., Chubby and ZooKeeper) only perform well in read-intensive scenario and small ensemble scales. To this end, we propose Giraffe, a scalable distributed coordination service. There are three important contributions in our design. (1) Giraffe organizes coordination servers using interior-node-disjoint trees for better scalability. (2) Giraffe employs a novel Paxos protocol for strong consistency and fault-tolerance. (3) Giraffe supports hierarchical data organization and in-memory storage for high throughput and low latency. We evaluate Giraffe on a high performance computing test-bed. The experimental results show that Giraffe gains much better write performance than ZooKeeper when server ensemble is large. Giraffe is nearly 300% faster than ZooKeeper on update operations when ensemble size is 50 servers. Experiments also show that Giraffe reacts and recovers more quickly than ZooKeeper against node failures. © 2014 IEEE.

关键词： Distributed cloud

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CQ COMSOC: CALLING ALL COMSOC RADIO AMATEURS

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IEEE COMMUNICATIONS MAGAZINE 2015年第7期53卷 6-8页

作者： Benedetto, Sergio Zuckerman, Doug Mobility Services Laboratory Nissan Motor Co. Japan Guangdong Province Key Laboratory of Robotics and Intelligent System Chinese Academy of Sciences (CAS) China Graduate School of Media Design Keio University Japan Chinese Academy of Sciences (CAS) Shenzhen Institutes of Advanced Technology Shenzhen China

This month’s President’s Page is devoted to the initiatives and plans of the IEEE Communications Society (ComSoc) in the area of education and training. Enhancing the IEEE societies’ activities in the area of education and training is one of the strategic goals of IEEE, and it has been recognized as such also by ComSoc’s strategic and planning committee (see the January 2015 President’s Page). Education and training can be developed as the third pillar of ComSoc’s major technical activities and a revenue source to complement the two existing pillars: publications and conferences.

关键词： Green computing

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Discrete Geometric Coded Data Layout for Large-scale Object Storage systems 21

Discrete Geometric Coded Data Layout for Large-scale Object ...

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21st IEEE International Symposium on Parallel and Distributed Processing with Applications, 13th IEEE International Conference on Big Data and Cloud computing, 16th IEEE International Conference on Social computing and Networking and 13th International Conference on Sustainable computing and Communications, ISPA/BDCloud/SocialCom/SustainCom 2023

作者： Tian, Yi Xu, Guangping Yang, Hongzhang Ni, Yue Cao, JiaXin Yang, Lei Tianjin University of Technology School of Computer Science and Engineering Tianjin China Novel Software Technology Tianjin Key Laboratory of Intelligence Computing Tianjin China Key Laboratory of Computer Vision and System Ministry of Education China Information Technology Co. Ltd. China

ISBN: (纸本)9798350329223

Regenerating codes are new network codes proposed to reduce the data required for fault repair, which can improve the recovery efficiency of faulty nodes in data storage systems. However, unlike Reed-Solomon code, which repairs at the granularity of bytes, regenerating codes require data stored in large chunks but leads to severe read amplification, which reads out excess data when degraded read objects and increases degraded read time. That reflects a mutual constraint between improving recovery efficiency and degraded read performance, as manifested in the amplification of data reads, a vital issue considered in this *** solve this problem, we propose a new type of data layout - discrete geometric, which splits the object into a series of geometric sequences of data blocks. They are placed discretely into corresponding containers on the disks at different nodes, with containers of the same size made into a strip for encoding. The discrete characteristic ensures lower repair costs for degraded reads. The geometric characteristic ensures the repair performance of regenerating codes by large blocks, and read amplification can be mitigated through small blocks. To reduce IOPS for discrete geometric, we propose Discrete Geometric-Locally Regenerating Codes (DG-LRCs), guaranteeing lower degraded read latency while improving recovery *** results show that the degraded read time of DG-LRCs compared to regenerating codes combined with geometric partitioning is 22.56% lower at 2Gbpsand 60.56% lower at 4Gbps, and the recovery performance is 7.04 times better than that of RS code. © 2023 IEEE.

关键词： Efficiency

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Design and realization of mobile government information services platform based on SMS

Design and realization of mobile government information serv...

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作者： Wang, Fayu Zhang, Hua Xu, Guangping Tianjin Key Laboratory of Intelligence Computing and Novel Software Technology Ministry of Education Tianjin University of Technology 300191 Tianjin China Key Laboratory of Computer Vision and System Ministry of Education Tianjin University of Technology 300191 Tianjin China

ISBN: (纸本)9788988678251

As the development of mobile communication technology becomes gradual mature, the short message service which sends messages from the information platform to the mobile phone users has been a method for the most users to obtain information timely and conveniently. This thesis collates the short message service system exploited for the mobile phone users and the service platform for the network users to elaborate the function of the platform and the system structure of the short message platform briefly, and state the key technology of its design and operation minutely. The short message platform is consisted of a web server based on the database, a sending server and interface server. This platform employs three-level control tactics, the user, role and administrator to regulate the user's authority and guarantee the security of the system. So the system has a certain referent value for the design of such kind of short message platform.

关键词： Cellular telephones

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The design-for-testability features of a general purpose microprocessor

The design-for-testability features of a general purpose mic...

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2007 IEEE International Test Conference, ITC

作者： Wang, Da Fan, Xiaoxin Fu, Xiang Liu, Hui Wen, Ke Li, Rui Li, Huawei Hu, Yu Li, Xiaowei Key Laboratory of Computer System and Architecture Institute of Computing Technology Chinese Academy of Sciences Beijing China Beijing China Co. Ltd. Shanghai China

ISBN: (纸本)1424411289

This paper describes the design-for-testability (DFT) features and test challenges in a general purpose microprocessor design. An optimized DFT architecture with its implementation strategies are presented in detail. Major DFT solutions are implemented which can meet high-volume manufacturing (HVM) and high quality test goals. © 2007 IEEE.

关键词： Design for testability

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Ontology-based description model of part information

Ontology-based description model of part information

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6th International Conference on Fuzzy systems and Knowledge Discovery, FSKD 2009

作者： Li, Wenjie Shen, Nan Tianjin Key Laboratory of Intelligence Computing and Novel Software Technology Tianjin University of Technology 300191 Tianjin China Key Laboratory of Computer Vision and System Tianjin University of Technology Ministry of Education 300191 Tianjin China Middle School of Nankai University 300071 Tianjin China

ISBN: (纸本)9780769537351

Considering existing four expressive styles of part information, the notion of ontology and its technologies are introduced to domain ontology repository of Computer Aided Process Planning (CAPP) application system, in order that represents explicitly part information and relations between part features in the repository, and ontology-based description model of part information and three-layer framework of the model is presented, in which description pattern of part features and its structure is proposed. A typical example of part JieTiZhou indicates finally part information of the ontology repository can be expressed definitely by the ontologybased description model, and all kinds of relations among part features can be denoted effectively. © 2009 IEEE.

关键词： Ontology

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GVE: Godson-T verification engine for many-core architecture rapid prototyping and debugging

GVE: Godson-T verification engine for many-core architecture...

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2010 International Conference on Field-Programmable technology, FPT'10

作者： Lei, Zhengmeng Zhang, Lunkai Song, Fenglong Tang, Shibin Fan, Dongrui Key Laboratory of Computer System and Architecture Institute of Computing Technology Chinese Academy of Sciences Beijing 100190 China Graduate University Chinese Academy of Sciences Beijing China

ISBN: (纸本)9781424489817

In this paper, we present a Godson-T Verification Engine (GVE) to rapidly prototype and debug our Godson-T many-core processor design. GVE adopts the state-of-the-art hardware platform which contains 6 Xilinx Virtex-5 LX330 FPGAs, thus permitting us to map our many-core processor and peripheral devices into it. Besides the hardware, our toolkit Godson-T Studio provides the compiler, program loader, debugger and monitor to fulfil the purpose of developing, profiling and debugging, while the accuracy loss problem is settled by our novel techniques: Check-point and ILA-Check, presented in this paper. To our experience, GVE greatly reduces the verification cycle due to its high execution speed, for example, it finishes thousands of testcases in an hour, where the software-based approach takes few days to run. And by the help of the checkpoint framework, we can easily locate the faults. Because of these features, GVE makes a great contribution to the 16-tile Godson-T tape-out Project. © 2010 IEEE.

关键词： Verification

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Fast path selection for testing of small delay defects considering path correlations

Fast path selection for testing of small delay defects consi...

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28th IEEE VLSI Test Symposium, VTS10

作者： He, Zijian Lv, Tao Li, Huawei Li, Xiaowei Key Laboratory of Computer System and Architecture Institute of Computing Technology Chinese Academy of Sciences Beijing 100190 China Graduate University of the Chinese Academy of Sciences Beijing China

ISBN: (纸本)9781424466481

Statistical timing models have been proposed to describe delay variations in very deep sub-micro process technologies, which have increasingly significant influence on circuit performance. Under a statistical timing model, testing of a path can detect potential delay failures caused by different small delay defects. Due to path correlations, the potential delay failures captured by two different paths overlap between each other more or less. It is difficult to find a given number of paths that can capture most potential delay failures. In this paper, the path selection problem is converted to a minimal space intersection problem, and a greedy path selection heuristics is proposed, the key point of which is to calculate the probability that the paths in a specified path set all meet the delay constraint. Statistical timing analysis technologies and heuristics are used in the calculation. Experimental results show that the proposed approach is time-efficient and achieves a higher probability of capturing delay failures in comparison with conventional path selection approaches. ©2010 IEEE.

关键词： Defects

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Research on XML-based exchanging system between databases

Research on XML-based exchanging system between databases

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2012 International Conference on Engineering Materials, ICEM 2012

作者： Li, Wenjie Liu, Si Hu, Yu Tianjin Key Laboratory of Intelligence Computing and Novel Software Technology Tianjin University of Technology 300384 Tianjin China Key Laboratory of Computer Vision and System Ministry of Education Tianjin University of Technology 300384 Tianjin China School of Computer Science and Technology Tianjin University 300072 Tianjin China

ISBN: (纸本)9783037856130

In homogeneous or heterogeneous databases, the main direction of research on XML-based information interaction between databases is taking XML as middleware to realize the information exchange between data in the environment of small and medium-sized databases. Considering the insufficiency of the traditional text file-based information interaction method, the paper puts forward an XML-based method of information exchanging between databases, and the corresponding database exchanging system is developed. The utmost feature and advantage of the system is taking hibernate XML mapping table file for converting middleware to realize information interaction between databases. The experiment result shows that the system provides a certain reference value for data mining and data warehouse. © (2013) Trans Tech Publications, Switzerland.

关键词： Middleware

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