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2010 IEEE/WIC/ACM International Conference on Web Intelligence, WI 2010

作者： Li, Jiayin Qiu, Meikang Niu, Jianwei Gao, Wenzhong Zong, Ziliang Qin, Xiao Dept. of Elec. and Comp. Engr. University of Kentucky Lexington KY 40506 United States School of Computer Science and Engineering Beihang University Beijing 100191 China Dept. of Elec. and Comp. Engr. University of Denver Denver CO 80210 United States Dept. of Math. and Comp. Sci. South Dakota School of Mines Rapid City SD 57702 United States Dept. of Comp. Sci. and Software Engr. Auburn University Auburn AL 36849 United States

ISBN: (纸本)9780769541914

An infrastructure-as-a-service cloud system provides computational capacities to remote users. Parallel processing in the cloud system can shorten the execution of jobs. Parallel processing requires a mechanism to scheduling the executions order as well as resource allocation. Furthermore, a preemptable scheduling mechanism can improve the utilization of resources in clouds. In this paper, we present a preemptable job scheduling mechanism in cloud system. We propose two feedback dynamic scheduling algorithms for this scheduling mechanism. We compare these two scheduling algorithms in simulations. The results show that the feedback procedure in our algorithms works well in the situation where resource contentions are fierce. © 2010 IEEE.

关键词： Scheduling

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Design of fault tolerant system based on runtime behavior tracing

Design of fault tolerant system based on runtime behavior tr...

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International Conference on Advanced Communication Technology (ICACT)

作者： Sumin Park Kwangyong Lee Dept. of Computer Software and Engineering University of Science of Technology(UST) Korea Embedded SW Platform Research Team Electronics and Telecommunications Research Institute Daejeon South Korea

ISBN: (纸本)9781424454273

The current researches to improve the reliability of operating systems have been focusing on the evolution of kernel architecture or protecting against device driver errors. In particularly, the device driver errors are critical to the most of the complementary operating systems that have a kernel level device driver. Especially on special purpose embedded system, because of its limited resources and variety of devices, more serious problems are induced. Preventing data corruption or blocking the arrogation of operational level is not enough to cover the entire problems. For examples, when using device drivers, the violation of function's call sequence can cause a malfunction. Also a violation of behavior rules on system level involves the same problem. This type of errors is difficult to be detected by the previous methods. Accordingly, we designed a system that traces system behavior at runtime and recovers optimally when errors are detected. We experimented in Linux 2.6.24 kernel operating on GP2X-WIZ mobile game player.

关键词： Fault tolerant systems Universal Serial Bus Pervasive computing Virtual machining computer peripherals Resource management Distributed computing Operating systems File systems Environmental management

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A consensus support methodology for the initial self-assessment of the EFQM Excellence Model in healthcare organisations

A consensus support methodology for the initial self-assessm...

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International Conference on Intelligent Systems Design and Applications (ISDA)

作者： J. M. Moreno-Rodriguez F. J. Cabrerizo E. Herrera-Viedma Dept. of Computer Science Morales Meseguer University Hospital Murcia Spain Dept. of Software Engineering and C.S. Distance Learning University of Spain Madrid Spain Universidad de Granada Granada AndalucÃa ES

Healthcare organisations using the European Foundation for Quality Management (EFQM) Excellence Model for self-assessment have found an opportunity to work more effectively and a powerful driver for improvement. Nevertheless, when these organisations address self-assessment processes for the first time the initial effort needed presents many difficulties. The aim of this paper is to offer a consensus support methodology based on fuzzy logic under a linguistic approach that would undoubtedly contribute to conduct self-assessment processes with questionnaires. We assume qualitative evaluation, through linguistic labels, to facilitate the individual responses, and we use the concept of fuzzy majority to calculate the measures which guide the consensus reaching process.

关键词： Pragmatics Biological system modeling Medical services Current measurement Quality management Computational modeling Numerical models

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A Unified Solution to Scan Test Volume, Time, and Power Minimization

A Unified Solution to Scan Test Volume, Time, and Power Mini...

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International Conference on VLSI Design

作者： Zhen Chen Sharad Seth Dong Xiang Bhargab B. Bhattacharya Dept. of Comp. Sci. and Techn. Tsinghua University Computer Science and Engineering University of Nebraska-Lincoln School of Software Tsinghua University Indian Statistical Institute

The double-tree scan-path architecture, originally proposed for low test power, is adapted to simultaneously reduce the test application time and test data volume under external testing. Experimental results show sign... 详细信息

ISBN: (纸本)9781424455416

关键词： Test power minimization Test time reduction Test data reduction Nonlinear scan

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Process algebraic specification of DI circuits

Process algebraic specification of DI circuits

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International SoC Design Conference, ISOCC

作者： Ka Lok Man Abhinav Asthana K. Kapoor Hemangee Tomas Krilavicius Jian Chang Dept. of Computer Science and Software Engineering Xi'an Jiaotong-Liverpool University (XJTLU) China Bangalore India Indian Institute of Technology Guwahati Baltic Institute of Advanced Technologies (BPTI) Vilnius Lithuania Texas Instruments Inc USA

The purpose of this paper is to investigate applicability of Null Conventional Logic (NCL) for synthesising asynchronous control circuits using. The target implementation being delay insensitive (DI), the specification language also should be DI. Delay Insensitive Sequential Processes (DISP) is such a process algebraic language where the behaviour of asynchronous control logic blocks can be expressed as processes. We have mapped several basic DISP constructs to NCL and performed a small cases study. It is a step towards an alternative synthesis way for NCL circuits.

关键词： Logic gates Solid modeling Integrated circuit modeling Variable speed drives Lead Synchronization

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Assessment of NER solutions against the first and second CALBC Silver Standard Corpus

Assessment of NER solutions against the first and second CAL...

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4th International Symposium on Semantic Mining in Biomedicine, SMBM 2010

作者： Rebholz-Schuhmann, Dietrich Yepes, Antonio Jimeno Li, Chen Kafkas, Senay Lewin, Ian Kang, Ning Corbett, Peter Milward, David Buyko, Ekaterina Beisswanger, Elena Hornbostel, Kerstin Kouznetsov, Alexandre Witte, René Laurila, Jonas B. Baker, Christopher J.O. Kuo, Cheng-Ju Clematide, Simone Rinaldi, Fabio Farkas, Richárd Móra, György Hara, Kazuo Furlong, Laura Rautschka, Michael Neves, Mariana Lara Pascual-Montano, Alberto Wei, Qi Collier, Nigel Chowdhury, Md. Faisal Mahbub Lavelli, Alberto Berlanga, Rafael Morante, Roser Van Asch, Vincent Daelemans, Walter Marina, José Luís Van Mulligen, Erik Kors, Jan Hahn, Udo EMBL Outstation European Bioinformatics Institute Hinxton Cambridge CB10 1SD United Kingdom Dept. of Medical Informatics Erasmus University Medical Center Rotterdam NL Netherlands Linguamatics Ltd. St. John's Innovation Centre Cambridge United Kingdom Lab. Friedrich-Schiller-Universität Jena Germany Dept. of Computer Science and Applied Statistics University of New Brunswick Canada Dept. of Computer Science and Software Engineering Concordia University Montreal Canada Institute of Information Science Academia Sinica Taipei 115 Taiwan University of Zürich Switzerland Research Group on Artificial Intelligence Hungarian Academy of Sciences Hungary Institute of Science and Technology Nara Japan IMIM DCEX Universitat Pompeu Fabra Barcelona Spain Madrid Spain National Institute of Informatics Tokyo Japan Fondazione Bruno Kessler Trento Italy Universitat Jaume I Spain CLiPS University of Antwerp Belgium Complutense University of Madrid Spain

Background: Text mining challenges have been organised to measure the performance of automatic text mining solutions against a manually annotated gold standard corpus (GSC). The preparation of the GSC is timeconsuming and costly and the final corpus consists at the most of a few thousand documents annotated with a limited set of semantic groups. To overcome these shortcomings, the CALBC project partners (PPs) have produced a large-scale annotated biomedical corpus with four different semantic groups through the harmonisation of annotations from automatic text mining solutions, the first version of the Silver Standard Corpus (SSC-I). The four semantic groups were chemical entities and drugs (CHED), genes and proteins (PRGE), diseases and disorders (DISO) and species (SPE). This corpus has been used for the First CALBC Challenge asking the participants to annotate the corpus with their annotation solutions.

关键词： Semantics

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Markov Decision Process-based analysis of rechargeable nodes in Wireless Sensor Networks 10

Markov Decision Process-based analysis of rechargeable nodes...

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Proceedings of the 2010 Spring Simulation Multiconference

作者： Misra, Sudip Rout, Rashmi Ranjan Krishna, T. Raghu Vamsi Manilal, Patel Manish Kumar Obaidat, Mohammad S. School of IT IIT Kharagpur Kharagpur India G.S. Sanyal School of Telecommunications IIT Kharagpur Kharagpur India SCS and IEEE Computer Science and Software Engineering Dept. Monmouth University W. Long Branch NJ United States

ISBN: (纸本)9781450300698

Wireless Sensor Networks (WSNs) are popular nowadays for applications ranging from environmental monitoring to object tracking and surveillance. But the sensors which are deployed are energy constrained. The nodes in WSNs deplete of their very limited energy over time. In this work, we consider a network of rechargeable sensors deployed in a random sensing environment. Using Markov Decision Processes (MDP), we analyze the sensor nodes having different levels of energies in the batteries, so as to maximize a generalized system performance in terms of recharge delay and the number of sensor nodes recharged. We have formulated a relationship between the residual energy level of a sensor node and the recharge delay. The simulation results establish the effectiveness of our approach in decreasing the number of passive nodes and the recharge delay in WSNs. © 2010 SCS.

关键词： Markov processes

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software Language engineering: Preface

Lecture Notes in Computer Science (including subseries Lectu...

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Lecture Notes in computer science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 2010年 5969 LNCS卷 V-VI页

作者： Van Den Brand, Mark Gaševíc, Dragan Gray, Jeff Dept. of Mathematics and Computer Science Software Engineering and Technology Eindhoven University of Technology Den Dolech 2 5612 AZ Eindhoven Netherlands School of Computing and Information Systems Athabasca University 1 University Drive Athabasca AB T9S 3A3 Canada Department of Computer Science University of Alabama P.O. Box 870290 Tuscaloosa AL United States

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Multi-layer Prefetching for Hybrid Storage Systems: Algorithms, Models, and Evaluations

Multi-layer Prefetching for Hybrid Storage Systems: Algorith...

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International Conference on Parallel Processing Workshops (ICPPW)

作者： Mais Nijim Ziliang Zong Xiao Qin Yousef Nijim Department of Electrical Engineering and Computer Science Texas A and M University Kingsville Kingsville TX USA Dept. of Math. & Comput. Sci. South Dakota Sch. of Mines & Technol. Rapid City SD USA Department of Computer Science and Software Engineering Aubum University Auburn AL USA IEEE Senior Member Cox Commun. Atlanta GA USA

Parallel storage systems have been highly scalable and widely used in support of data-intensive applications. In future systems with the nature of massive data processing and storing, hybrid storage systems opt for a solution to fulfill a variety of demands such as large storage capacity, high I/O performance and low cost. Hybrid storage systems (HSS) contain both high-end storage components (e.g. solid-state disks and hard disk drives) to guarantee performance, and low-end storage components (e.g. tapes) to reduce cost. In HSS, transferring data back and forth among solid-state disks (SSDs), hard disk drives (HDDs), and tapes plays a critical role in achieving high I/O performance. Prefetching is a promising solution to reduce the latency of data transferring in HSS. However, prefetching in the context of HSS is technically challenging due to an interesting dilemma: aggressive prefetching is required to efficiently reduce I/O latency, whereas overaggressive prefetching may waste I/O bandwidth by transferring useless data from HDDs to SSDs or from tapes to HDDs. To address this problem, we propose a multi-layer prefetching algorithm that can judiciously prefetch data from tapes to HDDs and from HDDs to SSDs. To evaluate our algorithm, we develop an analytical model and the experimental results reveal that our prefetching algorithm improves the performance in hybrid storage systems.

关键词： Prefetching Libraries Hard disks Bandwidth Switches Storage area networks Parallel processing

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Ballot permutations in Prêt à voter

Ballot permutations in Prêt à voter

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2009 Electronic Voting Technology Workshop/Workshop on Trustworthy Elections, EVT/WOTE 2009, Held in Conjunction with the 18th USENIX Security Symposium

作者： Ryan, Peter Y.A. Teague, Vanessa Dept. Computer Science and Communications University of Luxembourg Luxembourg Dept. Computer Science and Software Engineering University of Melbourne Australia

Handling full permutations of the candidate list along with re-encryption mixes is rather difficult in Prêt à Voter but handling cyclic shifts is straightforward. One of the versions of Prêt à Voter that uses Paillier encryption allows general permutations of candidates on the ballot, rather than just cyclic shifts. This improves the robustness of the system against an adversary who tries to alter checkmarks on ballots before they are posted to the bulletin board. Even if the adversary could predict which voters would fail to check their vote on the bulletin board, the best they could do would be to choose another random candidate. By contrast, when using only cyclic shifts the adversary can systematically shift a biased distribution from one candidate to another. We show in this note that the Paillier version of Prêt à Voter with full permutations of the candidates is not receipt-free when the number of possible permutations is much larger than the number of voters, and we propose a construction that addresses this issue while retaining the defence against an adversary who can shift checkmarks. © EVT/WOTE 2009 - 2009 Electronic Voting Technology Workshop/Workshop on Trustworthy Elections. All rights reserved.

关键词： Cryptography

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