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. To react to an ever-changing environment, flexible negotiation strategies that can make adjustable rates of concession should be adopted. This paper presents such flexible strategies for Web Services negotiation. In a negotiation round, the negotiation strategies first examine the environment situations by evaluating certain factors, which include time, resources, number of counterparts and current proposals from the counterparts. For each factor, there is a corresponding function that suggests the amount of concession in terms of that factor. Then considering the importance of each service attribute, the target concession per attribute is determined. As a final step, a set of experimental tests is executed to evaluate the performance of the negotiation strategies.
This work was supported by the 973 Program of China (2003CB314806), the Program for New Century Excellent Talents in University (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). Flexible Decision Making in Web Services Negotiation. In: Euzenat, J., Domingue, J. (eds) Artificial Intelligence: Methodology, Systems, and Applications. AIMSA 2006. Lecture Notes in Computer Science(), vol 4183. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11861461_13
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DOI: https://doi.org/10.1007/11861461_13
Publisher Name: Springer, Berlin, Heidelberg
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