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Services - I, 2009 World Conference on

Date 6-10 July 2009

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Displaying Results 1 - 25 of 139
  • [Front cover]

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  • [Title page i]

    Page(s): i
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  • [Title page iii]

    Page(s): iii
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  • [Copyright notice]

    Page(s): iv
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  • Table of contents

    Page(s): v - xiv
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  • Message from the General Chair and Program Chairs of SERVICES-I 2009

    Page(s): xv
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  • Message from the Program Chair of CLOUD 2009

    Page(s): xvi
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  • Message from the Workshop Chairs

    Page(s): xvii
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  • Organizing Committee

    Page(s): xviii - xix
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  • Program Committee of SERVICES 2009

    Page(s): xx
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  • Program Committee of CLOUD 2009

    Page(s): xxi - xxiv
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  • Proceedings Editorial Board

    Page(s): xxv
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  • IEEE Computer Society Technical Committee on Services Computing

    Page(s): xxvi
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  • Services University

    Page(s): xxvii
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  • Keynotes

    Page(s): xxviii - xxxi
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (183 KB)  

    Provides an abstract for each of the keynote presentations and a brief professional biography of each presenter. The complete presentations were not made available for publication as part of the conference proceedings. View full abstract»

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  • Panels

    Page(s): xxxii - xxxvi
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  • Tutorials

    Page(s): xxxvii - xli
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (243 KB)  

    Provides an abstract for each of the tutorial presentations and a brief professional biography of each presenter. The complete presentations were not made available for publication as part of the conference proceedings. View full abstract»

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  • Personal Identification Based on Sole Pressure Distribution Using a Hetero-core Optical Fiber Sensor Network for Personal Web Services

    Page(s): 1 - 8
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (468 KB) |  | HTML iconHTML  

    When creating a personal Web service, the personal identification method used in the service should not give users a feeling of being managed or supervised. We have proposed a personal identification method based on information about the "sole" of the foot, which has not yet been applied in the biometrics field, and evaluated the algorithm used in this method. This paper describes on the implementation of the filtering, packetizing and matching functions needed in a real-time identification system, and on the evaluation of the method using a prototype. Also, we propose a personal Web service that uses this personal identification method. We built the integrated system in order to evaluate the algorithm for the personal Web service, in which TV programs are selected based on a user's preferences. View full abstract»

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  • The Development of Human-System Interactivity Metrics for Ubiquitous Service Applying User-Centered Design Methodology

    Page(s): 9 - 13
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (303 KB) |  | HTML iconHTML  

    As the ubiquitous era took off, the interactions between ubiquitous services and users have come to take an important position. So it is necessary to develop new evaluation method that evaluates interactivity with a user-centered perspective. The main objective of this study is the development of user-centered interactivity evaluation metrics of ubiquitous service attributes. Detailed goals of this study are as follows. First, existing ubiquitous service evaluation methodologies are reviewed to define the evaluation attributes for ubiquitous service evaluation. Second, user oriented interactive metrics that can overcome the limitations of those service evaluation methodologies, such as personal service evaluation techniques, usability evaluation techniques and psychometrics based evaluation techniques, are developed. As a validation study, suggested evaluation metrics is utilized to evaluate the u-home service, and priority of each metrics is derived. The suggested evaluation metrics can be used to evaluate the interactivity level of ubiquitous service and identify the potential users and their requirements at the stage of service development. View full abstract»

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  • Agent-Based Web Healthcare Systems for Real-Time Chronic Disease

    Page(s): 14 - 21
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (284 KB) |  | HTML iconHTML  

    The increasing trends in the occurrence of chronic diseases, such as diabetes and hypertension, and an aging population present serious near-term problems in providing suitable healthcare within the existing medical structure. Further, ill and elderly patients experiencing mobility and transportation issues are at risk in obtaining both regular and emergency medical treatment. Mobile health monitoring systems can provide 24/7 health-care services and address these anticipated problems. However, the large number of patients and their related data cannot be efficiently processed with current systems and an efficient processing approach is needed for real-time response requirements for critical health situations. This paper proposes an efficient real-time Knowledge Base architecture for agent-based web Health Care Center (HCC) patient monitoring system for chronic disease management. The proposed system uses Case Based Reasoning (CBR) to improve diagnostic knowledge and is implemented in a diabetes monitoring and management system. An evaluation of the system's performance is presented for evaluation and comparison to current technologies. View full abstract»

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  • Constraint-Based Authorization Management for Mobile Collaboration Services

    Page(s): 22 - 29
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (289 KB) |  | HTML iconHTML  

    With the fast development of high speed wireless technologies and the growing population of mobile portable devices, location information is potentially available for access control systems. Such applications are especially meaningful in emergency situations, where quick responses are urgently required for persons to be physically present in a certain place to perform sensitive tasks without conflicting with security policies. In this paper, we investigate this challenging problem and propose a novel constraint-based authorization management model, which takes the mobile execution of tasks with handheld devices into account. The authorizations are activated by means of location based execution binding to handle uncertain conditions such as flexible business processes and emergency situations, considering both the user's location and attributes. With the introduced algorithms the model is capable of execution planning to detect and avoid inconsistencies in the security constraints of activities at design and runtime. Finally we propose a system architecture based on Web service technologies and a XACML based syntax for defining the security constraints. View full abstract»

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  • Web Services Based Multi-data Centers Knowledge Sharing for Autonomic Problem Determination and Remediation

    Page(s): 30 - 37
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (209 KB) |  | HTML iconHTML  

    With the proliferation of Web services as a business solution to enterprise application integration, rapid utilization of information and software functions from heterogeneous sources becomes possible. However, most autonomic problem and remediation systems focus on and are confined only to the environment and knowledge of the data centers they are managing, limiting their knowledge bases and therefore their ability to effectively and accurately determine these problems and suggest a solution. In this paper, we propose and describe a Web services based system that enables the mutual sharing of knowledge among data centers and external entities. We also show how a collective practice for information sharing and distributing tasks into manageable pieces, managed by an intelligent mediator and accessible via Web services, can improve problem determination. View full abstract»

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  • A Scheduling Method for Service Chain in Equipment Grid

    Page(s): 38 - 45
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (380 KB) |  | HTML iconHTML  

    Equipment grid aims to facilitate easy access to expensive scientific instruments by grid services and consists of the following three components: service pool alliance, service pool, and geographically distributed physical instruments. When users submit experiments to equipment grid, service pool alliance will allocate instruments in related service pools to conduct the experiments, which may need coordination and cooperation of several physical instruments that constitute service chains. After experiments have finished and results have returned, users evaluate the performance of related service chains. In this work, a scheduling algorithm using provenance information is proposed to enhance performance of equipment grid by increasing dispatch probability of instruments with high QoS. In this algorithm, we express QoS of instruments and user appraisals in fuzzy linguistic values, taking the vagueness of user opinions on experiment results and various criteria to evaluate instrument QoS into account. Simulation results show that with this algorithm, equipment grid can better satisfy the users. View full abstract»

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  • BestRec: A Behavior Similarity Based Approach to Services Recommendation

    Page(s): 46 - 53
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (427 KB) |  | HTML iconHTML  

    Development efficiency is an important factor for the Internet-scale software produced through services composition. In this paper, we aim at improving development efficiency from two aspects. One is to improve services discovery efficiency through recommendation, and the other is to provide a mechanism to reuse an existing composite service. We propose BestRec, a behavior similarity based approach to services recommendation. With BestRec, the behavior captured by a composite service is described by a DFA-based service model. Based on the service model derived from the developing context of services composition and the existing composite services in the services repository, we calculate the behavioral similarity according to the relations between states of each existing service model and that of the developing service model. Through this approach we can automatically model the request of services discovery and recommend the most suitable composite services to developers in the light of their behavioral similarity. Finally, we illustrate the effectiveness of BestRec with a case study and experimental evaluation in the area of Web services testing applications. View full abstract»

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  • SOAR: An Extended Model-Based Reasoning for Diagnosing Faults in Service-Oriented Architecture

    Page(s): 54 - 61
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (415 KB) |  | HTML iconHTML  

    Service-oriented architecture (SOA) is a cost effective approach to building enterprise applications. SOA reveals non-conventional characteristics of heterogeneity, grid-like distribution, evolvability, and limited visibility. Hence, services management presents non-conventional challenges. Especially, fault diagnosis at runtime is challenging due to the SOA features. Model-based reasoning (MBR) is a formal approach to diagnosing faults, which is based on predicate calculus and term resolution. In this paper, we present SOAR (service-oriented abductive reasoning) which extends the basic MBR to diagnose faults in various SOA components. SOAR provides an enhanced inference capability with state-based and QoS-based reasoning in addition to the basic setting/observation-based reasoning. We propose concrete schemes to formally represent system description, normal behavior, fault model and observations, and reasoning methods to diagnose faults and to determine their causes. In addition, we present a case study of applying SOAR to show how it is applied in practice and how the diagnosis can be conducted in autonomous way. View full abstract»

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