Agent negotiation based ontology refinement process and mechanisms for service applications |
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Authors: | Li Li Yun Yang |
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Affiliation: | (1) CSIRO ICT Centre, GPO Box 664, Canberra, ACT, 2601, Australia;(2) Centre for Information Technology Research, Swinburne University of Technology, Melbourne, VIC, 3122, Australia |
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Abstract: | Nowadays organisations are willing to outsource their business processes as services and make them accessible via the Web.
In doing so, they can dynamically combine individual services to their service applications. However, unless the data on the
Web can be meaningfully shared and is interpretable, this objective cannot be realised. In this paper, a new agent-based approach
for managing ontology evolution in a Web services environment is exploited. The proposed approach has several key characteristics
such as flexibility and extensibility that differentiate this research from others. The refinement mechanisms which cope with
an evolving ontology are carefully examined. The novelty of our work is that inter-processes between different ontologies
are studied from the agent’s perspective. Based on this perspective, an agent negotiation model is applied to reach an agreement
regarding ontology discrepancy in an application. The efficiency and effectiveness of reaching an agreement over an ontology
dispute is leveraged by the private negotiation strategy applied in the argumentation approach. An extended negotiation strategy
is discussed to enable sufficient information in decision making at each negotiation round. A case study is presented to demonstrate
ontology refinement in a Web services environment. |
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Keywords: | Ontology evolution Multi-agent systems Agent negotiation Service applications |
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