Abstract
Negotiation is a crucial stage of Web Services interaction lifecycle. By exchanging a sequence of proposals in the negotiation stage, a service provider and a consumer try to establish a formal contract, to specify agreed terms on the service, particularly terms on non-functional aspects. In this paper, we propose an approach for proposal evaluation, one of the key decisions in negotiation that determines the acceptability of a proposal. Fuzzy truth propositions are employed to represent the restrictions attached to a service, and a utility function is used to capture the negotiator’s preferences over service attributes. The overall acceptability of the proposal can be determined by the restriction obedience and the utility of values for service attributes, collectively. Based on the acceptability of a proposal, a negotiator can decide whether to accept it as a contract, then enact with the party that offers the proposal.
The work presented in this paper was Supported by the National Basic Research and Development Program (973 program) of China (2003CB314806), the Program for New Century Excellent Talents in University (No: NCET-05-0114), and the program for Changjiang Scholars and Innovative Research Team in University (PCSIRT).
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Yao, Y., Yang, F., Su, S. (2006). Evaluating Proposals in Web Services Negotiation. In: Levi, A., Savaş, E., Yenigün, H., Balcısoy, S., Saygın, Y. (eds) Computer and Information Sciences – ISCIS 2006. ISCIS 2006. Lecture Notes in Computer Science, vol 4263. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11902140_65
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DOI: https://doi.org/10.1007/11902140_65
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