Fuzzy set theory—and its applications (3rd ed.)
Fuzzy set theory—and its applications (3rd ed.)
Fuzzy Sets and Systems: Theory and Applications
Fuzzy Sets and Systems: Theory and Applications
The WSLA Framework: Specifying and Monitoring Service Level Agreements for Web Services
Journal of Network and Systems Management
Semiring frameworks and algorithms for shortest-distance problems
Journal of Automata, Languages and Combinatorics
Solving Qos-Driven Web Service Dynamic Composition as Fuzzy Constraint Satisfaction
EEE '05 Proceedings of the 2005 IEEE International Conference on e-Technology, e-Commerce and e-Service (EEE'05) on e-Technology, e-Commerce and e-Service
A Moderated Fuzzy Matchmaking forWeb Services
CIT '05 Proceedings of the The Fifth International Conference on Computer and Information Technology
Similarity measures in fuzzy rule base simplification
IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics
Service Discovery and Negotiation With COWS
Electronic Notes in Theoretical Computer Science (ENTCS)
A framework for semantic querying of distributed data-graphs via information granules
ISC '07 Proceedings of the 10th IASTED International Conference on Intelligent Systems and Control
CC-Pi: a constraint-based language for specifying service level agreements
ESOP'07 Proceedings of the 16th European conference on Programming
Adaptive fuzzy-valued service selection
Proceedings of the 2010 ACM Symposium on Applied Computing
Transactional service level agreement
TGC'07 Proceedings of the 3rd conference on Trustworthy global computing
CC-Pi: a constraint language for service negotiation and composition
Rigorous software engineering for service-oriented systems
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A central point when integrating services concerns to the description, agreement and enforcement of the quality aspect of service interaction, usually known as Service Level Agreement (SLA). This paper presents a framework for SLA negotiation based on fuzzy sets.We propose (i) a request language for clients to describe quality preferences, (ii) a publication language for providers to define the qualities of their offered services, and (iii) a decision procedure for granting any client request with a SLA contract fitting the requestor requirements. We start with a restricted framework in which the different qualities of a service are handled independently (as being orthogonal) and then we propose an extension that allows clients and providers to express dependencies among different qualities.