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20th Great Lakes Symposium on VLSI, GLSVLSI 2010

作者： He, Ou Dong, Sheqin Bian, Jinian Goto, Sotoshi Cheng, Chung-Kuan Dept. of Computer Science and Technology Tsinghua University Beijing 100084 China Information Production and Systems Waseda University Kitakyushu 808-0135 Japan Dept. of Computer Science and Engineering University of California San Diego San Diego CA 92093-0404 United States

ISBN: (纸本)9781450300124

As a global interconnection, bus is critical for chip performance in deep submicron technology. Reducing bus routing vias will facilitate the lithography and give bus routing a higher yield and also a higher performance. In this paper, we present a floorplan revising method to minimize the number of reducible routing vias with a controllable loss on the chip area and wirelength. Therefore, it is easy to make a proper tradeoff between via reduction and revising loss. Experiments show that our method reaches a 96.2% and 93.5% reduction of routing vias, which is close to 100% and runs fast. Besides, our revising is friendly to all third-party floorplanners, which can be applied to any existing floorplans to reduce vias. It is also scalable to larger benchmarks. © 2010 ACM.

关键词： Buses

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Foreword: First International Workshop on the Web and Requirements engineering

2010 1st International Workshop on the Web and Requirements ...

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2010 1st International Workshop on the Web and Requirements engineering, WeRE 2010 2010年 i-ii页

作者： Garrigós, Irene Mazón, Jose-Norberto Escalona, Maria José Koch, Nora Mylopoulos, John Dept. of Software and Computing Systems University of Alicante Spain Dept. of Computer Languages and Systems University of Seville Spain Programming and Software Engineering Dept. University of Munich Germany Information Engineering and Computer Science Dept. University of Trento Italy

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Foreword: First International Workshop on the Web and Requirements engineering

Foreword: First International Workshop on the Web and Requir...

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International Workshop on the Web and Requirements engineering (WeRE)

作者： Irene Garrigós Jose-Norberto Mazón Nora Koch Maria José Escalona John Mylopoulos Dept. of Software and Computing Systems University of Alicante Spain Dept. of Computer Languages and Systems University of Seville Spain Programming and Software Engineering Dept. University of Munich Germany Information Engineering and Computer Science Dept. University of Trento Italy

The International Workshop on the Web and Requirements engineering (WeRE) was held in conjunction with the 18 th International IEEE Requirements engineering Conference (RE'10) in Sydney (Australia) on September 28 2010. WeRE intends to be an international forum for exchanging ideas on both using Web technologies as a platform in the requirements engineering field, and applying requirements engineering in the development and use of websites. Papers focused on new domains and new experiences with the connection between requirements engineering and the Web were presented in WeRE.

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Petri net modeling of the reconfigurable protocol stack for cloud computing control systems

Petri net modeling of the reconfigurable protocol stack for ...

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2nd IEEE International Conference on Cloud Computing Technology and science, CloudCom 2010

作者： Chen, Hui Zhou, Chunjie Qin, Yuanqing Vandenberg, Art Vasilakos, Athanasios V. Xiong, Naixue Department of Control Science and Engineering Huazhong University of Science and Technology China Information Systems and Technology Georgia State University United States Dept. of Computer and Telecommunications Engineering University of Western Macedonia Greece Department of Computer Science Georgia State University United States

ISBN: (纸本)9780769543024

The Industrial Ethernet is promising for the implementation of a Cloud Computing based control system. However, numerous standard organizations and vendors have developed various Industrial Ethernets to satisfy the real-time requirements of field devices. This paper presents a real-time reconfigurable protocol stack to cope with this challenge, by introducing the architecture with a core of dynamic routing and autonomic local scheduling. It is based on the deterministic and stochastic Petri-Nets (DSPN) method to illustrate the performance of producer/consumer based application model, CSMA/CD based node accessing activities, and TDMA based resource allocation for real time and non-real time traffic. Furthermore, the predicted time distribution for evaluating the stability of a control system can be obtained from the proposed DSPN model. It is shown that the DSPN modeling yields good verification analysis and performance prediction results through a real experimentation. © 2010 IEEE.

关键词： Stochastic systems

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Modeling of origami by graph rewriting

Computer Software

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computer software 2010年第2期27卷 2-13页

作者： Takahashi, Hidekazu Ida, Tetsuo Dept. of Computer Science Graduate School of Systems and Information Engineering University of Tsukuba Japan

We formalize paper fold (origami) by graph rewriting. Origami construction is abstractly described by a rewrite system (O,R), where O is the set of abstract origami's and is a binary relation on O, called fold. An abstract origami is a triplet (Π,∼), where Π is a set of faces constituting an origami, and ∼ and are binary relations on Π, each representing adjacency and superposition relations of the faces. Origami construction is modeled as a rewrite sequence of abstract origami's. We then address the problems of representation and transformation of abstract origami's and of reasoning about the construction for computational purposes. We present a hypergraph of origami and define origami fold as algebraic graph transformation. The algebraic graph theoretic formalism enables us to reason origami in two separate domains of discourse, i.e. pure combinatoric domain and geometric domain R × R, and thus helps us to further tackle challenging problems in origami research.

关键词： Graph theory

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Energy-aware loop parallelism maximization for multi-core DSP architectures

Energy-aware loop parallelism maximization for multi-core DS...

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2010 IEEE/ACM International Conference on Green Computing and Communications, GreenCom 2010, 2010 IEEE/ACM International Conference on Cyber, Physical and Social Computing, CPSCom 2010

作者： Qiu, Meikang Niu, Jian-Wei Yang, Laurence T. Qin, Xiao Zhang, Senlin Wang, Bin Department of Electrical and Computer Engineering University of Kentucky Lexington KY 40506 United States State Key Lab. of Software Develop. Environment Beihang University Beijing 100191 China Department of Computer Science St. Francis Xavier University Antigonish NS B2G 2W5 Canada Dept. of Computer Science and Software Engineering Auburn University Auburn AL 36849 United States Dept. of Systems Science and Engineering Zhejiang University Hangzhou 310027 China Dept. of Computer Science and Engineering Wright State University Dayton OH 45435 United States

ISBN: (纸本)9780769543314

With the advance of semiconductor, multi-core architecture is inevitable in today's embedded system design. Nested loops are usually the most critical part in multimedia and high performance DSP (Digital Signal Processing) systems. Hence, maximizing loop parallelism is an important issue to improve the performance of a modern compiler. This paper studies how to maximize the system performance with the consideration of energy reduction for applications with multidimensional nested loops on multi-core DSP architectures. An algorithm, EALPM (Energy-Aware Loop Parallelism Maximization), is proposed in this paper. We implemented a two phase strategy. First, the strategy uses retiming and loop transformation to parallelize nested loops. Then the strategy employs a novel voltage assignment algorithm to reduce total energy consumption. The experimental results show that on average, both performance and energy-saving can be significantly improved using the EALPM algorithm. © 2010 IEEE.

关键词： Digital signal processing

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Efficient transport of packets with multicast mechanism in GPON

Efficient transport of packets with multicast mechanism in G...

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作者： Zhang, Shuai Wei, Zu-Kuan Kim, Jae-Hong School of Software University of Electronic Science and Technology of China Chengdu 611731 China Dept. of Computer and Information Engineering YoungDong University Yongdong-Gun Chungbuk 370701 Korea Republic of

ISBN: (纸本)9788988678275

Gigabit-capable Passive Optical Network (GPON) system has been standardized in ITU-T Rec. G.984 series. It can provide high-speed optical subscriber networks with broad bandwidth and is getting more popular in access network. But with the continuous increase in higher bandwidth demand applications like IPTV, VOD, HDTV, E-learning etc, the need for much higher capacity over GPON links is more obvious. In this paper, we propose a method of deploying MAC protocols and a special filter over GPON system to get higher rate of GPON links' utilization.

关键词： Bandwidth

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A case study of requirements elicitation process with changes

A case study of requirements elicitation process with change...

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作者： Nakatani, Takako Hori, Shouzo Ubayashi, Naoyasu Katamine, Keiichi Hashimoto, Masaaki Graduate School of Systems Management University of Tsukuba Tokyo 112-0012 Japan Quality Assurance Dept. Yaskawa Information Systems Corporation Kawasaki-shi 215-0004 Japan Faculty of Information Science and Electrical Engineering Kyushu University Fukuoka-shi 819-0395 Japan Graduate School of Computer Science and Systems Engineering Kyushu Institute of Technology Iizuka-shi 820-8502 Japan

Requirements changes sometimes cause a project to fail. A lot of projects now follow incremental development processes so that new requirements and requirements changes can be incorporated as soon as possible. These processes are called integrated requirements processes, which function to integrate requirements processes with other developmental processes. We have quantitatively and qualitatively investigated the requirements processes of a specific project from beginning to end. Our focus is to clarify the types of necessary requirements based on the components contained within a certain portion of the software architecture. Further, each type reveals its typical requirements processes through its own rationale. This case study is a system to manage the orders and services of a restaurant. In this paper, we introduce the case and categorize its requirements processes based on the components of the system and the qualitative characteristics of ISO-9126. We could identify seven categories of the typical requirements process to be managed and/or controlled. Each category reveals its typical requirements processes and their characteristics. The case study is our first step of practical integrated requirements engineering. Copyright © 2010 The Institute of Electronics, information and Communication Engineers.

关键词： Requirements engineering

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Web-based analytical decision support system

Web-based analytical decision support system

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2010 10th International Conference on Intelligent systems Design and Applications, ISDA'10

作者： Sutinen, Martti Danielson, Mats Ekenberg, Love Larsson, Aron Dept. of Engineering Physics and Mathematics Aalto University School of Science and Technology 02150 Espoo Finland Dept. of Computer and Systems Sciences Stockholm University / KTH Forum 100 SE-164 40 Kista Sweden Dept. of Information Technology and Media Mid Sweden University SE-851 70 Sundsvall Sweden

ISBN: (纸本)9781424481354

This paper presents a web-application supporting structured decision modelling and analysis. The application allows for decision modelling with respect to different preferences and views, allowing for numerically imprecise and vague background probabilities, values, and criteria weights, which further can be adjusted in an interactive fashion when considering calculated decision outcomes. The web-application is based on a decision tool that has been used in a large number of different domains over the last 15 years, ranging from investment decision analysis for companies to public decision support for local governments. © 2010 IEEE.

关键词： Decision support systems

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A decision support tool for optimal Levodopa administration in Parkinson's Disease

A decision support tool for optimal Levodopa administration ...

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10th International Conference on information Technology and Applications in Biomedicine: Emerging Technologies for Patient Specific Healthcare, ITAB 2010

作者： Rigas, George Bougia, Panagiota Baga, Dina Tsipouras, Markos Tzallas, Alexandros Tripoliti, Evanthia Tsouli, Sofia Chondrogiorgi, Maria Konitsiotis, Spiros Fotiadis, Dimitrios I. Unit of Medical Technology and Intelligent Information Systems Dept. of Materials Science and Engineering University of Ioannina GR 451 10 Ioannina Greece Department of Neurology Medical School University of Ioannina Ioannina GR 45 110 Greece Dept. of Computer Science University of Ioannina GR 451 10 Ioannina Greece

ISBN: (纸本)9781424465606

In this work a decision support tool for optimal administration of Levodopa (L-Dopa) in patients with Parkinson's Disease (PD) is presented. The so called Medication Change Proposer (MCP) is part of the PERFORM system, which monitors patient's motion status using a set of wearable sensors, assesses PD symptoms and their severity through dedicated symptoms detection modules (On-Off detection and LevodopaInduced Dyskinesia detection), and proposes treatment plans to alleviate the symptoms. The methodology is based on the analysis of the outputs of the symptoms detection modules, taking into account the uncertainty (confidence) propagated by their respective classification algorithms. The evaluation of our methodology is performed using artificial follow-up data produced by a specially built simulation environment. The obtained results demonstrate that the MCP outputs compare well with the experts' decisions, indicating high performance. © 2010 IEEE.

关键词： Neurodegenerative diseases

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