A Semantic Web Approach to Handling Soft Constraints in Virtual Organisations

Alun Preece, Stuart Chalmers, Craig McKenzie, Jeff Z. Pan, Peter Gray

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract / Description of output

In this paper we present a proposal for representing soft constraint satisfaction problems (CSPs) within the Semantic Web architecture. The proposal is motivated by the need for a service-providing agent in a virtual organisation to reason about its commitments as soft constraints. The three essential requirements addressed are: (1) the need to have constraints express commitments in terms of Semantic Web services, (2) the need to associate utility values with constraints, to reflect the relative importance of satisfying them, and (3) the need to make statements about which constraints are satisfied and violated by a given solution. The proposal builds upon previous work in defining a Semantic Web Constraint Interchange Format (CIF), which itself builds on the proposed Semantic Web Rule Language (SWRL). The paper describes an ontology for representing soft CSPs and their solutions, allowing an agent's set of commitments to be expressed as a collection of soft constraints. The ontology is an open interchange format for soft CSPs, allowing commitment to be communicated and exchanged among the members of a virtual organisation.
Original languageEnglish
Title of host publicationProceedings of the 8th International Conference on Electronic Commerce: The New e-Commerce: Innovations for Conquering Current Barriers, Obstacles and Limitations to Conducting Successful Business on the Internet
EditorsBruce Spencer, Mark S. Fox, Weichang Du, Donglei Du, Scott Buffett
Place of PublicationNew York, NY, USA
PublisherAssociation for Computing Machinery, Inc
Pages151–161
Number of pages11
ISBN (Print)1-59593-392-1
DOIs
Publication statusPublished - 13 Aug 2006
EventThe Eighth International Conference on Electronic Commerce - Fredericton, Canada
Duration: 13 Aug 200616 Aug 2006
Conference number: 8

Publication series

NameICEC '06
PublisherAssociation for Computing Machinery

Conference

ConferenceThe Eighth International Conference on Electronic Commerce
Abbreviated titleICEC 2006
Country/TerritoryCanada
CityFredericton
Period13/08/0616/08/06

Keywords / Materials (for Non-textual outputs)

  • virtual organisations
  • semantic web
  • soft constraints

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