نتایج جستجو برای: service composition

تعداد نتایج: 581474  

2007
Seiji Koide Hideaki Takeda

The Hierarchical Task Network (HTN) planning method is conceived of as a useful method for Web service composition as well as classical task planning. However, there are no complete successes of service composition by HTN as yet. The reason is the Web service composition process involves the interactive dataflow between variables in preconditions and input/output parameters of services. Since v...

2005
Lin Chen Minglu Li Jian Cao

With the frequent changes in recent business and scientific environment, more efficient and effective workflow infrastructure is required. Besides, with increasing emphasis on Service-oriented architecture, service composition becomes a hot topic in workflow research. This paper proposes a novel approach of using ECA rules to realize the workflow modeling and implementation for service composit...

2006
Harald Meyer Dominik Kuropka

Automated service composition is an important approach to create aggregate services out of existing services. Several different approaches towards automated service composition exist. They differ not only in the used algorithms but also in provided functionality. While some support the creation of compositions with alternative or parallel control flow, others are missing this functionality. Thi...

2010
Rosa Alarcón Erik Wilde Jesus Bellido

Representational State Transfer (REST) services are gaining momentum as a lightweight approach for the provision of services on the Web. Unlike WSDL-based services, in REST the set of operations is reduced, standardized, with well known semantics, and changes the resource’s state. Few attempts have been proposed to support composition models for REST, they are mainly operation-centric and fail ...

2008
Mohammad Alrifai Thomas Risse

Web service composition requests are usually combined with end-toend QoS requirements, which are specified in terms of non-functional properties (e.g. response time, throughput and price). The goal of QoS-aware service composition is to find the best combination of services such that their aggregated QoS values meet these end-to-end requirements. Local selection techniques are very efficient bu...

2003
Mark Carman Luciano Serafini Paolo Traverso

We show how the service composition problem can be viewed as a planning problem in which state descriptions are ambiguous and operator definitions are incomplete. We then discuss the problem of interpreting documents (which describe the world state), and introduce a semantic type matching algorithm. The matching algorithm together with an interleaved search and execution algorithm allow for bas...

2004
Benchaphon Limthanmaphon Yanchun Zhang

The development of new web services by composition of existing services is becoming an extensive approach. This has resulted in transactions that span in multiple web services. These business transactions may be unpredictable and long in duration. Thus they may not be acceptable to lock resources exclusively for such long period. Two-phase commit is also not suitable for transactions with some ...

Cloud manufacturing is a new paradigm which has been under study since 2010 and a vast body of research has been conducted on this topic. Among them, service composition problems are of utmost importance. However, most studies only focused on private clouds meaning the objective function is defined for just one component of the supply chain. This paper attempts to consider service composition p...

2008
Sandrine Beauche Pascal Poizat

Service-Oriented Computing is a cornerstone for the realization of user needs through the automatic composition of services from service descriptions and user tasks, i.e., high-level descriptions of the user needs. Yet, automatic service composition processes commonly assume that service descriptions and user tasks share the same abstraction level, and that services have been pre-designed to in...

Journal: :J. Web Eng. 2018
Gang Xue Jing Liu Liwen Wu Shaowen Yao

Web service is an important technology for constructing distributed applications. In order to provide more complex functionalities, services can be reused by applying service composition. A service composition can be designed and implemented through a centralization or decentralization strategy. When observing the decentralized service composition, several researchers found out that this kind o...

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