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International Conference on Tools for Artificial Intelligence (ICTAI)

作者： Konstantinos N. Vavliakis Andreas L. Symeonidis Georgios T. Karagiannis Pericles A. Mitkas Electrical and Computer Engineering Department Aristotle University of Thessaloniki Thessaloniki Greece Intelligent Systems and Software Engineering Laboratory Informatics and Telematics Institute CERTH Thessaloniki Greece Sacred Convent of the Annunciation ORMYLIA Art Diagnosis Centre Chalkidiki Greece

ISBN: (纸本)9780769530154;076953015X

Semantic annotation and querying is currently applied on a number of versatile disciplines, providing the added-value of such an approach and, consequently the need for more elaborate - either case-specific or generic - tools. In this context, we have developed Eikonomia: an integrated semantically-aware tool for the description and retrieval of Byzantine artwork Information. Following the needs of the ORMYLIA Art Diagnosis Center for adding semantics to their legacy data, an ontology describing Byzantine artwork based on CIDOC-CRM, along with the interfaces for synchronization to and from the existing RDBMS have been implemented. This ontology has been linked to a reasoning tool, while a dynamic interface for the automated creation of semantic queries in SPARQL was developed. Finally, all the appropriate interfaces were instantiated, in order to allow easy ontology manipulation, query results projection and restrictions creation.

关键词： Information retrieval Art Ontologies Cultural differences Data mining Artificial intelligence Documentation Relational databases Intelligent systems software engineering

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PTC-VANET Interactions to Prevent Highway Rail Intersection Crossing Accidents

PTC-VANET Interactions to Prevent Highway Rail Intersection ...

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IEEE 65th Vehicular Technology Conference (VTC-Spring 2007), vol.5

作者： Mark Hartong Rajni Goel Csilla Farkas Duminda Wijesekera Department of Information and Software Engineering George Mason University Fairfax VA USA Department of Information Systems and Decision Sciences Howard University College of Medicine Washington D.C. DC USA Department of Computer Science and Engineering University of South Carolina Columbia SC USA

Vehicular Ad-hoc networks (VANETS) provide distributed real time communication of traffic hazards and road conditions among vehicles in a radio line of sight. We propose using VANETS to securely communicate with Positive Train Control (PTC) systems in order to reduce Highway Rail Intersection (HRI) incidents. This paper illustrates the similarities and differences between the two systems, discusses previous research into the work already done to integrate the two systems, and outlines the additional work necessary to successfully integrate the two systems.

关键词： Architecture Vehicular Ad-hoc Networks VANETS Communications Based Train Control CBTM Positive Train Control PTCs

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Cognitive Radio Resource Management Using Multi-Agent systems

Cognitive Radio Resource Management Using Multi-Agent System...

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4th IEEE Consumer Communications and Networking Conference (CCNC 2007), vol.3

作者： Jiang Xie Ivan Howitt Anita Raja Department of Electrical and Computer Engineering University of North Carolina Charlotte USA Department of Software and Information Systems University of North Carolina Charlotte USA

This paper investigates cooperative radio resource management for multiple cognitive radio networks in interference environments. The objective of this research is to manage shared radio resources fairly among multiple non-cooperative cognitive radio networks to optimize the overall performance. We emphasize the underlying predictability of network conditions and promote management solutions tailored to different interference environments. A multi-agent-system-based approach is proposed to achieve information sharing and decision distribution among multiple cognitive radio networks in a distributed manner. We address the distributed constraint optimization problem (DCOP) in cognitive radio networks and study the effectiveness of DCOP algorithms to find the optimal radio resource assignment through communications between distributed agents.

关键词： Spectrum management Distributed constraint optimization problem (DCOP) Predictive models Third-party-based architecture

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Developing a computer science-specific learning taxonomy 07

Developing a computer science-specific learning taxonomy

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2007 Working Group Reports on ITiCSE on Innovation and Technology in computer Science Education, ITiCSE-WGR 2007

作者： Fuller, Ursula Johnson, Colin G. Ahoniemi, Tuukka Cukierman, Diana Hernán-Losada, Isidoro Jackova, Jana Lahtinen, Essi Lewis, Tracy L. Thompson, Donna McGee Riedesel, Charles Thompson, Errol Computing Laboratory University of Kent CanterburyCT2 7NF United Kingdom Institute of Software Systems Tampere University of Technology Tampere Finland School of Computing Science Simon Fraser University BurnabyBC Canada Department of Lenguajes Y Sistemas Informáticos Universidad Rey Juan Carlos Madrid Spain Faculty of Management Science and Informatics University of Zilina Zilina Slovakia Department of Information Technology Radford University RadfordVA24142 United States Department of Learning Commons Simon Fraser University BurnabyBC Canada Department of Computer Science and Engineering University of Nebraska Lincoln 259 Avery Hall LincolnNE68588-0115 United States Massey University Wellington New Zealand

ISBN: (纸本)9781450378420

Bloom's taxonomy of the cognitive domain and the SOLO taxonomy are being increasingly widely used in the design and assessment of courses, but there are some drawbacks to their use in computer science. This paper reviews the literature on educational taxonomies and their use in computer science education, identifies some of the problems that arise, proposes a new taxonomy and discusses how this can be used in application-oriented courses such as programming.

关键词： Taxonomies

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Value-based design of software V&V processes for NASA flight projects

Value-based design of software V&V processes for NASA flight...

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AIAA Space 2007 Conference

作者： Madachy, Raymond Boehm, Barry Richardson, Julian Feather, Martin Menzies, Tim University of Southern California Los Angeles CA 90089 United States National Aeronautics and Space Administration AMES Research Center Moffett Field CA 94035 United States National Aeronautics and Space Administration Jet Propulsion Laboratories Pasadena CA 91109 United States West Virginia University Morgantown WV 26506 United States University of Southern California Center for Systems and Software Engineering SAL 328 941 W. 37th Place Los Angeles CA 90089 United States AIAA RIACS USRA NASA Ames Research Center Moffett Field CA 94035 United States Software Quality Assurance Office Jet Propulsion Laboratory California Institute of Technology 4800 Oak Grove Drive Pasadena CA 91109-8099 United States West Virginia University Lane Department of Computer Science and Electrical Engineering PO Box 6109 Morgantown WV 26506 United States

ISBN: (纸本)1563479079

software risk advisory tools have been developed to support Verification and Validation (V&V) processes for NASA flight projects on the Constellation program. The Orthogonal Defect Classification COnstructive QUALity MOdel (ODC COQUALMO) predicts software defects introduced and removed classifying them with ODC defect types, allowing various tradeoff analyses. We have been exploring methods to design and optimize V&V processes with static and dynamic versions of the quality model by integrating it with different risk minimization techniques. These techniques allow "what-if" experimentation to determine the impact of V&V techniques on specific risks and overall flight risk. V&V techniques are quantified from a value-based perspective when the defect model is integrated with machine learning, strategic optimization and JPL's Defect Detection and Prevention (DDP) risk management method. Results to-date show that the automated methods are practical for flight projects to design higher value V&V processes in shorter time and with fewer resources.

关键词： software design

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High-speed software development practices: What works, what doesn't

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IT Professional 2006年第4期8卷 29-36页

作者： Baskerville, Richard Ramesh, Balasubramaniam Levine, Linda Pries-Heje, Jan Department of Computer Information Systems Georgia State University Carnegie Mellon University Software Engineering Institute Department of Design of Organizational IT IT University of Copenhagen

An empirical study of high-speed software development practices was conducted in US companies. Fast development, along with low cost and high quality has formed a tripartite tension among software engineering goals. The detailed case studies of Internet software development were reviewed in 10 companies and then knowledge was synthesized on best practice for quality and agility. Agile methodologies, including Extreme Programming and Scrum are found increasing in the software development field. Some of the problems identified in high speed software development, include demands of time-to-market compression, insufficient programmer productivity, ambiguous requirements, fluid requirements, lack of design time and experience, and changing environment. The solutions to the problems identified, include parallel development and frequent releases, greater reliance on tools and reusable components, production prototyping, customer implantation, multitiered architecture and emphasis on acquiring the right expertise and tailored methodology.

关键词： computer software

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A decentralized computational infrastructure for grid-based parallel asynchronous iterative applications

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Journal of Grid Computing 2006年第4期4卷 355-372页

作者： Li, Zhen Parashar, Manish The Applied Software Systems Laboratory Department of Electrical and Computer Engineering Rutgers University Piscataway NJ 08854 United States

Parallel asynchronous iterative algorithms relax synchronization and communication requirements, and can potentially extend Desktop Grids beyond embarrassingly parallel applications to support a broader class of parallel iterative applications. This paper presents the design and implementation of CometG, a decentralized (peer-to-peer) computational infrastructure that extends Desktop Grid environments to support these applications. CometG provides a decentralized and scalable tuple space, efficient communication and coordination support, and application-level abstractions that can be used to implement Desktop Grid applications based on parallel asynchronous iterative algorithms using the master-worker/BOT paradigm. The deployment and evaluations of CometG and a CometG-based application in a wide-area environment using the PlanetLab [7] test bed, as well as a campus network are presented. © Springer Science + Business Media, Inc. 2006.

关键词： Decentralized (peer-to-peer) tuple space Desktop Grids Parallel asynchronous iterative algorithms

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Message passing over windows-based desktop grids

Message passing over windows-based desktop grids

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4th International Workshop on Middleware for Grid Computing (MGC'06) held at the ACM/IFIP/USENIX International Middleware Conference

作者： Queiroz, Carlos Netto, Marco A. S. Buyya, Rajkumar Grid Computing and Distributed Systems Laboratory Department of Computer Science and Software Engineering University of Melbourne Australia

ISBN: (纸本)1595935819

Message Passing is a popular mechanism used to enable inter-process communication in parallel and distributed computing. Many complex scientific and engineering applications that are executed on clusters have been developed based on this communication model. Due to the huge amount of computing power being wasted in desktops, there is an increasing interest in using these computers to execute complex applications. However, most of the current middleware systems are aimed at executing only embarrassingly parallel applications, i.e. with no inter-process communication. Moreover, most existing middleware systems are based on Linux. Nevertheless, it is well-known that the desktop machines in the world are predominantly based on the Windows operating system. Hence, in this work we present the design implementation and evaluation performance of a Windows-based implementation of two message passing models, Message Passing Interface (MPI) and Bulk Synchronous Parallel (BSP), over the Alchemi Grid computing framework. © 2006 ACM.

关键词： Message passing

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Automated analysis of natural language properties for UML models

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MoDELS 2005 International Workshops OCLWS, MoDeVA, MARTES, AOM, MTiP, WiSME, MODAUI, NfC, MDD, WUsCAM

作者： Konrad, Sascha Cheng, Betty H. C. Software Engineering and Network Systems Laboratory Department of Computer Science and Engineering Michigan State University East Lansing MI 48824 United States

ISBN: (纸本)3540317805

It is well known that errors introduced early in the development process are commonly the most expensive to correct. The increasingly popular model-driven architecture (MDA) exacerbates this problem by propagating these errors automatically to design and code. This paper describes a round trip engineering process that supports the specification of a UML model using CASE tools, the analysis of specified natural language properties, and the subsequent model refinement to eliminate errors uncovered during the analysis. This process has been implemented in SPIDER, a tool suite that enables developers to specify and analyze a UML model with respect to behavioral properties specified in terms of natural language. © Springer-Verlag Berlin Heidelberg 2006.

关键词： Natural language processing systems

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COCA: A contract-based infrastructure for composing adaptive multimedia systems

COCA: A contract-based infrastructure for composing adaptive...

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26th IEEE International Conference on Distributed Computing systems Workshops, ICDCS 2006

作者： Zhou, Zhinan McKinley, Philip K. Software Engineering and Network Systems Laboratory Department of Computer Science and Engineering Michigan State University East Lansing MI 48824 United States

ISBN: (纸本)0769525415

Achieving acceptable quality of service in highly dynamic computing environments requires not only adaptation and reconfiguration of individual components of the system, but also collaboration among these components. To address these issues in adaptive multimedia applications, we propose COCA, a contract-based collaborative adaptation infrastructure. COCA uses contract specifications to describe the relationships among different system components, to generate code that realizes adaptive functionality, and to govern system-wide adaptive behavior during execution. COCA also provides a set of reusable adaptation services that enable legacy components to be integrated into an adaptive system. We demonstrate the use of COCA to construct an adaptive multimedia conferencing system from a collection of existing components that were not originally designed for interoperation. © 2006 IEEE.

关键词： Multimedia systems

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