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Automatic composition of semantic web services with the abductive event calculus
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index.pdf
Date
2008
Author
Kırcı, Esra
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In today's world, composite web services are widely used in service oriented computing, web mashups and B2B Applications etc. Most of these services are composed manually. However, the complexity of manually composing web services increase exponentially with the increase in the number of available web services, the need for dynamically created/updated/discovered services and the necessity for higher amount of data bindings and type mappings in longer compositions. Therefore, current highly manual web service composition techniques are far from being the answer to web service composition problem. Automatic web service composition methods are recent research efforts to tackle the issues with manual techniques. Broadly, these methods fall into two groups: (i) workflow based methods and (ii) methods using AI planning. This thesis investigates the application of AI planning techniques to the web service composition problem and in particular, it proposes the use of the abductive event calculus in this domain. Web service compositions are defined as templates using OWL-S ("OWL for Services"). These generic composition definitions are converted to Prolog language as axioms for the abductive event calculus planner and solutions found by the planner constitute the specific result plans for the generic composition plan. In this thesis it is shown that abductive planning capabilities of the event calculus can be used to generate the web service composition plans that realize the generic procedure.
Subject Keywords
Computer enginnering.
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http://etd.lib.metu.edu.tr/upload/12609949/index.pdf
https://hdl.handle.net/11511/17919
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Graduate School of Natural and Applied Sciences, Thesis
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E. Kırcı, “Automatic composition of semantic web services with the abductive event calculus,” M.S. - Master of Science, Middle East Technical University, 2008.