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Determining relevant product information sources

Determining relevant product information sources

2010 3rd IEEE/WIC/ACM International Conference on Web Intelligence and Intelligent Agent Technology - Workshops, WI-IAT 2010

作者： Wauer, Matthias Department for Computer Networks Institute for Systems Architecture Technische Universität Dresden Germany

ISBN: (纸本)9780769541914

This position paper describes the challenges related to federated enterprise search over heterogeneous product information sources. It focuses on the aspect of finding relevant information sources w.r.t. the user's information need and identifies core research questions with regards to the design and implementation of a potential solution, based on Semantic Web techniques. © 2010 IEEE.

关键词： Search engines

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An Interdisciplinary Approach to Designing Adaptive Lighting Environments

An Interdisciplinary Approach to Designing Adaptive Lighting...

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International Conference on Intelligent Environments (IE)

作者： Remco Magielse Philip Ross Sunder Rao Tanir Ozcelebi Paola Jaramillo Oliver Amft Designing Quality in Interaction (DQI) Group Department of Industrial Design Intelligent Lighting Institute (ILI) Eindhoven University of Technology Eindhoven Netherlands System Architecture and Networks (SAN) Group Department of Mathematics and Computer Science Intelligent Lighting Institute (ILI) Eindhoven University of Technology Eindhoven Netherlands Signal Processing Systems (SPS) Group Department of Electrical Engineering Intelligent Lighting Institute (ILI) Eindhoven University of Technology Eindhoven Netherlands

Due to advancements in lighting technologies new opportunities for application emerge. In this paper an interdisciplinary study towards the development of adaptive lighting environments is presented. An implementation of an adaptive lighting environment is made in the domain of office work. For evaluation, experts from the domains of human-system interaction, activity and context recognition, and system architecture design are interviewed. Contributions are made with regard to the implementation of the adaptive lighting in office environments and an evaluation method that is in line with the interdisciplinary approach. From the evaluation method insights in the fields of human-computer interaction, activity and context recognition and system architecture and (wireless) networking and in topics that span across these fields are gained.

关键词： Indexes

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A novel ISAR alogrithm for the imaging of ship targets based on AM-LFM model

A novel ISAR alogrithm for the imaging of ship targets based...

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International Conference on Signal Processing Proceedings (ICSP)

作者： Zhang, Long Si, Dong Sen College of Electronics and Information Xi'an Polytechnic University Xi'an China Institute of Computer Architecture and Networks Xi'an Jiaotong University Xi'an China

ISBN: (纸本)9781424458981

Rang-Instaneous-Doppler (RID) processing is widely used in ISAR imaging of maneuvering target and acceptable image can be achieved when the amplitude modulation effect of scatterers echoes can be neglected during intergation time, whereas, the RID method based on the assumption above does not work properly when the variant amplitude modulation of scatterers' echoes involved, such as ship target. In this paper, a multicomponent amplitude modulation and linear frequency modulation(AM-LFM) signal model developed and a fast parameter estimation technique-DechirpClean method *** achieve the best quality in DechirpClean ISAR image, a new effective optimum imaging interval selection scheme addressed. The performance of proposed method is verified by comparing the result with the image produced by conventional RID method from the real data processing. © 2010 IEEE.

关键词： Amplitude modulation

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Cryptanalysis of dragon scheme

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The Journal of China Universities of Posts and Telecommunications 2010年第4期17卷 80-87页

作者： YUAN Feng HU Yu-pu WANG Yan OU Hai-wen Key Laboratory of Computer Networks and Information Security Ministry of Education Xidian University Xi'an 710071 China School of Science Xi'an University of Architecture and Technology Xi'an 710055 China Key Laboratory of Information Security Beijing Electronic Science and Technology Institute Beijing 100070 China

Patarin proposed the dragon scheme, pointed out the insecurity of the dragon algorithm with one hidden monomial and suggested a candidate dragon signature algorithm with a complicated function. This paper presents an algebraic method to attack the candidate dragon signature algorithm. The attack borrows the basic idea of the attack due to Kipnis and Shamir, and utilizes the underlying algebraic structure of the candidate dragon signature algorithm over the extension field to derive a way to enable the variable Y be viewed as a fixed value. The attack recovers the private keys efficiently when the parameters are n≤2s and D=[logq^d]≤3.

关键词： cryptography public key cryptography polynomials mapping multivariate dragon scheme algebraic method cryptanalysis

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Automating composite SLA management tasks by exploiting service dependency information

Automating composite SLA management tasks by exploiting serv...

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8th European Conference on Web Services, ECOWS 2010

作者： Winkler, Matthias Springer, Thomas Schill, Alexander SAP Research CEC Dresden SAP AG Chemnitzer Str. 48 01187 Dresden Germany Faculty of Computer Science Computer Networks Group Institute for Systems Architecture Nöthnitzer Str. 46 01187 Dresden Germany

ISBN: (纸本)9780769543109

According to the Internet of Services vision, composite services are created by composing services to complex business processes. The relationships between services in a composition are defined by Service Level Agreements (SLAs). Managing composite SLAs is a complex task which is currently performed manually. In this paper we present an approach for automating the management of composite SLAs by exploiting the explicit knowledge about dependencies between composed services. We define a formal model for representing a set of dependencies. A set of algorithms exploits this information to automate tasks of composite SLA management. These tasks are the validation of SLAs during negotiation, the evaluation of SLA renegotiation requests and the evaluation of SLA violations with regard to their effects on other services. We have validated our approach based on a logistics scenario. We present results with respect to performance and a set of test cases demonstrating the added value of dependency information based automated SLA management. © 2010 IEEE.

关键词： Web services

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Determining Relevant Product Information Sources

Determining Relevant Product Information Sources

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IEEE WIC ACM International Conference on Web Intelligence (WI)

作者： Matthias Wauer Chair for Computer Networks Institute for Systems Architecture Technische Universität Dresden Germany

关键词： Semantics Taxonomy Ontologies Indexes Semantic Web

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QoS-Aware Service Composition: A Survey

QoS-Aware Service Composition: A Survey

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European Conference on Web Services (ECOWS)

作者： Anja Strunk Department of Computer Science Institute of Systems Architecture Chair of Computer Networks Technische Universität Dresden Dresden Germany

Service compositions build new services by orchestrating a set of existing services. In the Internet of Services there may be many functional similar services, but with different Quality of Service (QoS). Thus a significant research problem in service compositions is how to select the composition's composite services that the overall QoS of the composition is being maximized. This paper summarizes, classifies and evaluates major research efforts in this area and gives an overview about further open research questions.

关键词： Quality of service Time factors Optimization Availability Classification algorithms Concurrent computing

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Experimental investigation of multi-wavelength clock recovery based on a quantum-dot SOA at 40 Gb/s

Experimental investigation of multi-wavelength clock recover...

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Signal Processing in Photonic Communications, SPPCom 2010

作者： Spyropoulou, M. Bonk, R. Hillerkuss, D. Pleros, N. Vallaitis, T. Freude, W. Tomkos, I. Leuthold, J. Aristotle University of Thessaloniki Department of Informatics Computer Architecture and Communications Laboratory Thessaloniki 54142 Greece Institute of Photonics and Quantum Electronics Karlsruhe Institute of Technology Engesserstr. 5 76131 Karlsruhe Germany Athens Information Technology High speed networks and optical communications Markopoulou Av. 19002 Peania-Attica Greece

We study single and multi-wavelength clock recovery functionality based on a fabry-pérot filter followed by a quantum-dot SOA at 40 Gb/s and we demonstrate its performance for various pseudo-random binary sequenc... 详细信息

ISBN: (纸本)9781557528964

关键词： Nanocrystals

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Automating Composite SLA Management Tasks by Exploiting Service Dependency Information

Automating Composite SLA Management Tasks by Exploiting Serv...

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European Conference on Web Services (ECOWS)

作者： Matthias Winkler Thomas Springer Alexander Schill SAP Research CEC Dresden SAP AG Dresden Germany Faculty of Computer Science Institute of Systems Architecture Computer Networks Group Technical University of Dresden Dresden Germany

关键词： Quality of service Logistics Contracts Monitoring Adaptation model Internet

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Improving QoS of web service composition by dynamic configuration

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Information Technology Journal 2010年第3期9卷 422-429页

作者： Yang, Huaizhou Li, Zengzhi Institute of Computer Architecture and Networks Xi'an Jiaotong University Xi'an 710049 China State Key Laboratory of Networking and Switching Technology Beijing University of Posts and Telecommunications Beijing 100876 China

In order to achieve self-adaptation to run-time environment and self-management of Web service composition, an extended hierarchical Petri net is presented to reflect the feasible configuration scheme of composite service. Being different from related works, the dynamic configuration scheme and execution process of Web service composition can be reflected together in the extended model. Furthermore, a rapid QoS calculation strategy of composite service is presented. Some important QoS calculation formulas are presented and proved. Based on the extended model and the QoS calculation strategy, a configuration with optimal QoS can be selected dynamically. The QoS of composite service is improved. The soundness and correctness of the dynamic configuration method are proved by simulation results and corresponding analysis. © 2010 Asian Network for Scientific Information.

关键词： Petri nets

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