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MoSCoE: An Approach for Composing Web Services through Iterative Reformulation of Functional Specifications
- International Journal on Artificial Intelligence Tools
"... We propose a specification-driven approach to Web service composition. Our framework allows the users (or service developers) to start with a high-level, possibly incomplete specification of a desired (goal) service that is to be realized using a subset of the available component services. These ser ..."
Abstract
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Cited by 5 (1 self)
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We propose a specification-driven approach to Web service composition. Our framework allows the users (or service developers) to start with a high-level, possibly incomplete specification of a desired (goal) service that is to be realized using a subset of the available component services. These services are represented using labeled transition systems augmented with guards over variables with infinite domains and are used to determine a strategy for their composition that would realize the goal service functionality. However, in the event the goal service cannot be realized using the available services, our approach identifies the cause(s) for such failure which can then be used by the developer to reformulate the goal specification. Thus, the technique supports Web service composition through iterative reformulation of the functional specification. We present a prototype implementation in a tabled-logic programming environment that illustrates the key features of the proposed approach. Keywords: Service-oriented architectures; web services; composition; symbolic transition systems; tabled-logic programming. 109 110 J. Pathak et al. 1.
International Journal on Artificial Intelligence Tools c ○ World Scientific Publishing Company MoSCoE: An Approach for Composing Web Services through Iterative Reformulation of Functional Specifications
"... We propose a specification-driven approach to Web service composition. Our framework allows the users (or service developers) to start with a high-level, possibly incomplete specification of a desired (goal) service that is to be realized using a subset of the available component services. These ser ..."
Abstract
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We propose a specification-driven approach to Web service composition. Our framework allows the users (or service developers) to start with a high-level, possibly incomplete specification of a desired (goal) service that is to be realized using a subset of the available component services. These services are represented using labeled transition systems augmented with guards over variables with infinite domains and are used to determine a strategy for their composition that would realize the goal service functionality. However, in the event the goal service cannot be realized using the available services, our approach identifies the cause(s) for such failure which can then be used by the developer to reformulate the goal specification. Thus, the technique supports Web service composition through iterative reformulation of the functional specification. We present 1 April 8, 2007 21:52 ICTAI-2006 Special Issue FILE IJAIT-07 2 Pathak et al. a prototype implementation in a tabled-logic programming environment that illustrates the key features of the proposed approach.
