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作者： Boerio, F. James Dionysiou, Dionysios D. Papautsky, Ian Pelaez, Miguel Schulz, Mark Huth, Christopher Shanov, Vesselin N. Shi, Donglu Department of Materials Science and Engineering University of Cincinnati OH United States Department of Environmental Engineering and Science University of Cincinnati OH United States School of Electronics and Computing Systems University of Cincinnati OH United States Environmental Engineering Program UC United States School of Energy Environmental Biological and Medical Engineering University of Cincinnati OH United States

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Memory-aware SLA-based mechanism for shared-mesh WDM networks

Memory-aware SLA-based mechanism for shared-mesh WDM network...

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International Conference on Ultra Modern Telecommunications and Workshops (ICUMT)

作者： Alireza Nafarieh Shyamala C. Sivakumar William Phillips William Robertson Internetworking Engineering Program Dalhousie University Halifax NS Canada Computing and Information Systems Sobey School of Business Saint Marys University Halifax NS Canada

The paper presents a dynamic provisioning mechanism through which service providers can exploit the unused allowable down time of the connections to serve the additional upcoming requests. The algorithm work based on the holding time of the connections and the failure arrival rate over the selected primary or backup paths. The proposed mechanism in this paper routes the requests in a way that any service level agreement (SLA) violation is either avoided or minimized. To achieve this goal, the already established paths are flagged with a newly proposed path metric, path risk factor, to create a memory-aware mechanism of paths' history showing the risk tolerance to SLA violation. This path attribute can be disseminated over the network as a metric of prospective connections. The algorithm takes advantage of the already established connections' history to select the best path regarding the SLA violation with the lowest cost. Simulation results verify that the proposed mechanism has better performance in terms of the blocking rate, the availability satisfaction rate, and the resource utilization than existing algorithms. Performance evaluation is done over two different simulation environments, the network with high link failure arrival rate and the network with normal link failure arrival rate. In addition to the better performance over both network topologies, the algorithm provides more revenue for service providers compared to standard and existing algorithms.

关键词： Availability Cost function Heuristic algorithms Electronic countermeasures Routing History Measurement

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Exploring provenance in high performance scientific computing

Exploring provenance in high performance scientific computin...

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1st Annual 2011 Workshop on High-Performance computing Meets Databases, HPCDB'11, Co-located with Supercomputing, SC'11

作者： Gadelha Jr., Luiz M.R. Wilde, Michael Mattoso, Marta Foster, Ian Computer and Systems Engineering Program Federal University of Rio de Janeiro Brazil National Laboratory for Scientific Computing Brazil Mathematics and Computer Science Division Argonne National Laboratory United States Computation Institute Argonne National Laboratory University of Chicago United States Department of Computer Science University of Chicago United States

ISBN: (纸本)9781450311571

Large-scale scientific computations are often organized as a composition of many computational tasks linked through data flow. After the completion of a computational scientific experiment, a scientist has to analyze its outcome, for instance, by checking inputs and outputs of computational tasks that are part of the experiment. This analysis can be automated using provenance management systems that describe, for instance, the production and consumption relationships between data artifacts, such as files, and the computational tasks that compose the scientific application. In this article, we explore the relationship between high performance computing and provenance management systems, observing that storing provenance as structured data enriched with information about the runtime behavior of computational tasks in high performance computing environments can enable interesting and useful queries to correlate computational resource usage, scientific parameters, and data set derivation. We briefly describe how provenance of many-task scientific computations specified and coordinated by the Swift parallel scripting system is gathered and queried. © 2011 ACM.

关键词： Information management

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MLEA： A Solution for Users of Android in UTPVirtual

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Computer Technology and Application 2011年第5期2卷 406-412页

作者： Gisela Torres de Clunie Sergio Crespo Coelho da Silva Pinto Aris Linet Castillo Lucas Monteiro Braz Tasia Serrao Norman Rangel Jeanette Riley Olinda de Barraza Kexy Rodriguez Computer Systems Engineering Department Technological University of Panama Panama 0819 Panama Computer Science Research and Graduate Program in Applied Computing University of the Sinos Valley （UNISINOS） RS 93022-000 Brazil CIDITIC Technological University of Panama Panama 0819 Panama

This paper describes a design of an educational platform for a mobile learning architecture, which is a state of the an topic in distance education. The product will allow users to interact in an efficient, flexible, and transparent fashion with a web-based education environment, in this case Module Object-Oriented Dynamic Learning Environment （Moodle）, using Android mobile devices. In order to provide a strong and lasting architecture, the Service Oriented Architecture （SOA） methodology is used given that it allows easy software re-utilization as well as integration of heterogeneous services. The architecture is based on web services implemented with Representational State Transfer （REST）, as it has been demonstrated to be lighter and less consuming than other protocols, for devices with limited resources such as mobile devices. Web services provide the communication means between the server side and the client side of the architecture, whereas agents are used to deliver the services itself. The authors propose the development of an environment that facilitates the integration of various educational resources to support m-learning. An important aspect of the proposal is the offering of a tool to provide customized alerts for students and teachers, enabling them to remain updated about activities taking place in the courses.

关键词： Distance learning virtual education m-learning service oriented architecture （SOA） mobile learning mobile computing interoperability representational state transfer （REST）.

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K, T and D-like fuzzy Kripke models

K, T and D-like fuzzy Kripke models

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Annual Meeting of The North American Fuzzy Information Processing Society

作者： Bedregal, Benjamin Santiago, Regivan H. N. Benevides, Mario Viana, Petrucio Group of Logic Language Information Theory and Applications - LoLITA Department of Informatics and Applied Mathematics Federal University of Rio Grande Do Norte 59072-970 Natal-RN Brazil Program of Engineering of Systems and Computing - PESC Department of Computer Science Federal University of Rio de Janeiro 21941-972 Rio de Janeiro-RJ Brazil Department of Analysis Fluminense Federal University 24020-140 Niterói-RJ Brazil

ISBN: (纸本)9781612849676

The idea of a Kripke semantics endowed with possibility/plausibility information is not new;in fact there are different approaches for that;see: [6], [13], [16], [19]. This paper follows the approach found in [6], but whereas [6] provides a fixed interpretation for connectives into [0,1] here we provide a characterization of a fuzzy semantics for connectives in such a way that the resulting fuzzy frames: K, T and D, are described precisely by the set of statements which also describes, respectively, the usual modal systems K, T and D. © 2011 IEEE.

关键词： Semantics

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Effect of the electrostatic potential on the internalization mechanism of cell penetrating peptides

Effect of the electrostatic potential on the internalization...

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2011 AIChE Annual Meeting, 11AIChE

作者： Flores, Karen A. Salgado, J. Cristian Zapata-Torres, Gerald Gerdtzen, Ziomara P. Gonzalez, María-Julieta Hermoso, Marcela A. Laboratory of Process Modeling and Distributed Computing Department of Chemical Engineering and Biotechnology University of Chile Santiago Chile Millennium Institute for Cell Dynamics and Biotechnology Centre for Systems Biology University of Chile Santiago Chile Department of Inorganic and Analytical Chemistry Faculty of Chemical and Pharmaceutical Sciences University of Chile Santiago Chile Centre for Biochemical Engineering and Biotechnology Department of Chemical Engineering and Biotechnology University of Chile Santiago Chile Laboratory of Cell Biology Cell and Molecular Program Faculty of Medicine University of Chile Santiago Chile Laboratory of Innate Immunology Institute of Biomedical Sciences University of Chile Santiago Chile

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One Day Smart Grid Supersession - Analytics and Integration

One Day Smart Grid Supersession - Analytics and Integration

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General Meeting of the IEEE-Power-and-Energy-Society (PES)

作者： Liu, W-H Edwin McArthur, Stephen Giri, Jay Miu, Karen Pratt, Rob Wen, Jun Uluski, Bob Dow, Luther Labut, Gerard IEEE Computing and Analytical Methods Subcommittee United States IEEE PES Intelligent Systems Subcommittee United States IEEE PES Multi-Agent System Working Group United States Power Systems Technology and Strategic Initiatives ALSTOM Grid Redmond WA United States Electrical and Computer Engineering Department Drexel University United States Pacific Northwest National Laboratory's (PNNL's) Smart Grid R and D Program U.S. Department of Energy United States Transmission and Interconnection Planning Group Southern California Edison (SCE) Company United States WECC Modeling and Validation Working Group United States EPRI Power Delivery and Utilization Area United States Distribution and West Coast Operations Quanta Technology United States Distribution Operations SmartCurrentssm Program Strategy DTE Energy Detroit MI United States

ISBN: (纸本)9781457710018

The effort of "Smart Grid" is to modernize grid infrastructure and build-in intelligence to power grids and delivery systems, and their interfaces to customer premises. However, the perspectives range from an emphasis on infrastructure to an emphasis on new paradigm-shifting applications. Alternatively, the smart grid can be thought of as the advanced information technologies that enable the desired analytical applications. As a general understanding, we believe that Smart Grid needs to integrate power system analysis, computing and economics to enhance grid reliability, efficiency, and security, and contributes to the climate change strategic goal. In this Supersession, the analytics that empowers smart grid applications is discussed;and the practical implementation and integration challenges will be presented.

关键词： smart grid analytical applications system integration

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K, T and D-like fuzzy Kripke models

K, T and D-like fuzzy Kripke models

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Conference of the North American Fuzzy Information Processing Society - NAFIPS

作者： Benjamin Bedregal Regivan H. N. Santiago Mario Benevides Petrúcio Viana Group of Logic Language Information Theory and Applications-LoLITA Department of Informatics and Applied Mathematics Federal University of Rio Grande do Norte Natal Rio Grande do Norte Brazil Program of Engineering of Systems and Computing-PESC Department of Computer Science Federal University of Rio de Janeiro Rio de Janeiro Rio de Janeiro Brazil Department of Analysis Fluminense Federal University (UFF) Niteroi Rio de Janeiro Brazil

The idea of a Kripke semantics endowed with possibility/plausibility information is not new; in fact there are different approaches for that; see: [6], [13], [16], [19]. This paper follows the approach found in [6], but whereas [6] provides a fixed interpretation for connectives into [0,1] here we provide a characterization of a fuzzy semantics for connectives in such a way that the resulting fuzzy frames: K, T and D, are described precisely by the set of statements which also describes, respectively, the usual modal systems K, T and D.

关键词： Semantics Fuzzy sets Fuzzy logic Bismuth Electronic mail Uncertainty Reliability

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Using co-evolved RTS opponents to teach spatial tactics

Using co-evolved RTS opponents to teach spatial tactics

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2010 IEEE Conference on Computational Intelligence and Games, CIG2010

作者： Smith, Greg Avery, Phillipa Houmanfar, Ramona Louis, Sushil Behavior Analysis Program Dept. of Psychology United States Evolutionary Computing Systems Laboratory Dept. of Computer Science and Engineering University of Nevada Reno NE United States

ISBN: (纸本)9781424462971

This paper describes a co-evolutionary algorithm for generating simple spatially oriented tactics and considers whether students can learn better by playing against co-evolved opponents or by playing against an expert system or other similar hard-coded opponent. Although a number of artificially intelligent tutoring and e-learning systems exist, our work looks at using co-evolution to generate competent opponents for human students to learn from. This paper describes and discusses early results on using computationally intelligent opponents for tactical training of human students. Initial results indicate that the learning environment for human players, measured by game difficulty and transfer of training, is comparable across co-evolved and hard-coded computer opponents. © 2010 IEEE.

关键词： Students

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Power efficient voltage islanding for systems-on-chip from a floorplanning perspective 10

Power efficient voltage islanding for Systems-on-chip from a...

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Design, Automation and Test in Europe Conference and Exhibition

作者： Pavel Ghosh Arunabha Sen Computer Science and Engineering Program School of Computing Informatics and Decision Systems Engineering Arizona State University Tempe AZ USA

ISBN: (纸本)9783981080162

Power consumption can be significantly reduced in systems-on-Chip (SoC) by scaling down the voltage levels of the Processing Elements (PEs). The power efficiency of this Voltage Islanding technique comes at the cost of energy and area overhead due to the level shifters between voltage islands. Moreover, from the physical design perspective it is not desirable to have an excessive number of voltage islands on the chip. Considering voltage islanding at an early phase of design as during floorplanning of the PEs can address various of these issues. In this paper, we propose a new cost function for the floorplanning objective different from the traditional floorplanning objective. The new cost function not only includes the overall area requirement, but also incorporates the overall power consumption and the design constraint imposed on the maximum number of voltage islands. We propose a greedy heuristic based on the proposed cost function for the floorplanning of the PEs with several voltage islands. Experimental results using benchmark data study the effect of several parameters on the outcome of the heuristic. It is evident from the results that power consumption can be significantly reduced using our algorithm without significant area overhead. The area obtained from the heuristic is also compared with the optimal, and found to be within 4% of the optimal on average, when area minimization is given the priority.

关键词： Voltage Energy consumption Cost function Power engineering and energy Minimization Very large scale integration Computer science Power engineering computing Informatics systems engineering and theory

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