Web Services Composition

Claro, Daniela Barreiro; Albers, Patrick; Hao, Jin‐Kao

doi:10.1007/978-0-387-34685-4_8

Cited by 22 publications

(10 citation statements)

References 17 publications

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“…1, which contains more information than the version presented in [3]. Formally, we denote the following.…”

Section: The Four Stages Of Compositionmentioning

confidence: 99%

“…It usually involves four stages [3]: (1) planning a workflow of individual service types; (2) locating services from a service registry, i.e., finding service instances; (3) selecting the best candidate services based on nonfunctional properties (NFPs) for deployment and execution; and (4) executing the selected services. When an exception occurs during execution, the planning or selection stages might be repeated to satisfy the composition goal [3]. Each stage can be ranked and overridden for the best service execution result [4].…”

Section: Introductionmentioning

confidence: 99%

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A Functional -- Scalable Architecture for Automatic Service Composition

Paik

Chen

Komiya

2011

2011 IEEE World Congress on Services

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New value-added services are created by automatic service composition (ASC) dynamically and automatically from existing services at the user's request. Complete ASC system requests solving very large and complex realistic problems require consistent architecture. Most studies of service composition are based on four stages (planning, discovery, selection, and execution) and their variations such as integration of the stages or divergence in a stage. However, previous studies have not considered the functional scalability of ASC involving nested dynamic services in which the ASC calls inner ASCs internally during composition. In practice, there are many situations where dynamic services and existing services are combined in ASC. We present a blueprint for a modified four-stage composition architecture to allow for scalability in managing the nested composition flow. A general model for the composition architecture is described and a complete and detailed composition framework is introduced using our model. Finally, we analyze the proposed architecture to show its efficacy.

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“…1, which contains more information than the version presented in [3]. Formally, we denote the following.…”

Section: The Four Stages Of Compositionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A Functional -- Scalable Architecture for Automatic Service Composition

Paik

Chen

Komiya

2011

2011 IEEE World Congress on Services

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“…ASC ARCHITECTURE ASC usually involves four stages [5], namely 1) planning a workflow of individual service types [1,1 1,12,1 3], 2) locating services from a service registry (Le., finding service instances) [7,1 6], 3) selecting the best candidate services for deployment and execution by using NFPs [6,12], and 4) executing the selected services [2 ,3, 4] (Fig. 1).…”

Section: Introductionmentioning

confidence: 99%

Design of user interface for Automatic Service Composition

Paik

Chen

2010

2010 IEEE International Conference on Systems, Man and Cybernetics

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Automatic Service Composition (ASC) supports creation of a new value-added composite service from the existing services with automatic manner. There are two approaches, machine-oriented and human-oriented, for the composer. In the machine-oriented composer, every composition step is managed by the composer mainly. However, there are many possibilities of interventions by users for better composition performance. In this paper, design of user interface for the machine-oriented ASC based on our new composition architecture is suggested. Possible interactions at the all the stages of service composition are analyzed on the new architecture. Ontologies for ASC VI, visual component, data, and workflow are designed. TheSelectorVI is demonstrated as an example of VI for ASC, and whole composition scenario is illustrated. The design paradigm of ASC VI presented in the paper can be applied to human-oriented composition too.

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“…Researchers have been extensively looking at service composition especially in the area of web services [5,15]. The most common automation techniques for web services are either based on workflow composition [3] or AI planning [18].…”

Section: Related Workmentioning

confidence: 99%