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2015 IEEE International Conference on Web Services

June 27 2015-July 2 2015

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Displaying Results 1 - 25 of 115
  • [Front cover]

    Publication Year: 2015, Page(s): C4
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  • [Title page i]

    Publication Year: 2015, Page(s): i
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  • [Title page iii]

    Publication Year: 2015, Page(s): iii
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  • [Copyright notice]

    Publication Year: 2015, Page(s): iv
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  • Table of contents

    Publication Year: 2015, Page(s):v - xv
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  • Message from the General Chairs

    Publication Year: 2015, Page(s):xvi - xvii
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  • Message from the Program Committee Chairs

    Publication Year: 2015, Page(s): xviii
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  • Organizing Committee

    Publication Year: 2015, Page(s):xix - xxi
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  • Program Committee

    Publication Year: 2015, Page(s):xxii - xxiv
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  • External Reviewers

    Publication Year: 2015, Page(s):xxv - xxvi
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  • IEEE Computer Society Technical Committee on Services Computing

    Publication Year: 2015, Page(s): xxvii
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  • Stabilising Performance in Cloud Services Composition Using Portfolio Theory

    Publication Year: 2015, Page(s):1 - 8
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (286 KB) | HTML iconHTML

    The increasing number of services available in the cloud market make them plausible and attractive for building Cloud Service Compositions (CSC). However, performance instability is common in the cloud environment due to changes in supply and demand of shared computational infrastructure and resources. Candidate compositions are vulnerable to such instability. We propose a novel approach to improv... View full abstract»

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  • A Scalable and Approximate Mechanism for Web Service Composition

    Publication Year: 2015, Page(s):9 - 16
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (392 KB) | HTML iconHTML

    In recent times, automated business processes and web services have become ubiquitous in diverse application spaces. Efficient composition of web services in real time while providing necessary QoS guarantees is a computationally complex problem and several heuristic based approaches have been proposed to compose services optimally. In this paper, we present the design of a scalable but approximat... View full abstract»

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  • Formal Behavioral Modeling for Verifying SCA Composition with Event-B

    Publication Year: 2015, Page(s):17 - 24
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (339 KB) | HTML iconHTML

    With the emergence of Service Component Architecture (SCA), all interests were focused on representing this architecture in a formal way in order to be able to prevent the specifications failures. In this context, our recent works were interested in formalizing structural properties of the SCA specifications, particularly in defining structural compatibility between connected services. In fact, ve... View full abstract»

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  • Set-Based Bi-level Optimisation for QoS-Aware Service Composition in Ubiquitous Environments

    Publication Year: 2015, Page(s):25 - 32
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (558 KB) | HTML iconHTML

    Service composition is a widely used method in ubiquitous computing that enables accomplishing complex tasks required by users based on elementary (hardware and software) services available in ubiquitous environments. To ensure that users experience the best Quality of Service (QoS) with respect to their quality needs, service composition has to be QoS-aware. Establishing QoS-aware service composi... View full abstract»

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  • A Collaborative Approach to Predicting Service Price for QoS-Aware Service Selection

    Publication Year: 2015, Page(s):33 - 40
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (261 KB) | HTML iconHTML

    In QoS-aware service selection, a service requester seeks to maximize its utility by selecting a service provider that charges the lowest service price while meeting the requester's QoS requirements. In existing selection approaches, a service requester focuses on finding providers based on their QoS and thereby ignores their service prices that could change with their QoS. High QoS may provide mo... View full abstract»

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  • A QoS and Trust Prediction Framework for Context-Aware Composed Distributed Systems

    Publication Year: 2015, Page(s):41 - 48
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (806 KB) | HTML iconHTML

    The emergence of ubiquitous computing, and the wide adoption of smart phones over the past few years require many Web services to function in a context-aware manner. In such services, not only the functional attributes, but also the QoS attributes (e.g., Response time and availability) also depend on the context of the service. Trust (i.e., The degree of compliance of a service to its specificatio... View full abstract»

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  • Predicting Dynamic Requests Behavior in Long-Term IaaS Service Composition

    Publication Year: 2015, Page(s):49 - 56
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (258 KB) | HTML iconHTML

    We propose a novel composition framework for an Infrastructure-as-a-Service (IaaS) provider that selects the optimal set of long-term service requests to maximize its profit. Existing solutions consider an IaaS provider's economic benefits at the time of service composition and ignore the dynamic nature of the consumer requests in a long-term period. The proposed framework deploys a new multivaria... View full abstract»

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  • Self-Adaptive Volunteered Services Composition through Stimulus- and Time-Awareness

    Publication Year: 2015, Page(s):57 - 64
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1087 KB) | HTML iconHTML

    Volunteered Service Composition (VSC) refers to the process of composing volunteered services and resources. These services are typically published to a pool of voluntary resources. Selection and composition decisions tend to encounter numerous uncertainties: service consumers and applications have little control of these services and tend to be uncertain about their level of support for the desir... View full abstract»

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  • Heuristic Based Time-Aware Service Selection Approach

    Publication Year: 2015, Page(s):65 - 72
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (318 KB) | HTML iconHTML

    QoS-based service selection is one of the important requirements in Service Oriented Computing (SOC). A challenging task towards this purpose is the selection of the best combination of services that fulfils user's requirements while meeting quality of service (QoS) constraints. This challenge becomes more complex when dealing with time-dependent QoS values and temporal properties. Indeed, during ... View full abstract»

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  • SPL-TQSSS: A Software Product Line Approach for Stateful Service Selection

    Publication Year: 2015, Page(s):73 - 80
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1431 KB) | HTML iconHTML

    An important problem in Web services composition process is optimal selection of services meeting the user functional requirements (tasks of a workflow) and ensuring a reliable execution of the composition. Therefore, non-functional properties of services such as their transactional behavior as well as their Quality of Service (QoS) must be considered. In this context, a challenging objective is t... View full abstract»

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  • Using WADL Specifications to Develop and Maintain REST Client Applications

    Publication Year: 2015, Page(s):81 - 88
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (233 KB) | HTML iconHTML

    Service orientation is one of the most popular paradigms for developing modular distributed software systems. In spite of the substantial research effort dedicated to the development of methods and tools to support SOAP-based service-oriented application development, in practice, RESTful services have surpassed SOAP-based services in popularity and adoption, primarily due to the simplicity of thei... View full abstract»

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  • Climate Analytics Workflow Recommendation as a Service - Provenance-Driven Automatic Workflow Mashup

    Publication Year: 2015, Page(s):89 - 97
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (499 KB) | HTML iconHTML

    Existing scientific workflow tools, created by computer scientists, require that domain scientists meticulously design their multi-step experiments before analyzing data. However, this is oftentimes contradictory to a domain scientist's routine of conducting research and exploration. This paper presents a novel way to resolve this dispute, in the context of service-oriented science. After scrutini... View full abstract»

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  • Integrator: An Architecture for an Integrated Cloud/On-Premise Data-Service

    Publication Year: 2015, Page(s):98 - 104
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (540 KB) | HTML iconHTML

    Large enterprises have built very large "on-premise" data-sets that are critical to many business functions. With the availability of cloud-based storage, many of these enterprises are considering whether and how to make some of this data available on the cloud. One motivation is to offload the processing of new mobile application workloads from the on-premise system to the cloud. Another motivati... View full abstract»

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  • Heuristic Recovery of Missing Events in Process Logs

    Publication Year: 2015, Page(s):105 - 112
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (259 KB) | HTML iconHTML

    Event logs are of paramount significance for process mining and complex event processing. Yet, the quality of event logs remains a serious problem. Missing events of logs are usually caused by omitting manual recording, system failures, and hybrid storage of executions of different processes. It has been proved that the problem of minimum recovery based on a priori process specification is NP-hard... View full abstract»

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