A declarative approach to business rules in contracts: courteous logic programs in XML
Proceedings of the 1st ACM conference on Electronic commerce
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Computer Standards & Interfaces
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Proceedings of the IFIP TC2/WG2.6 Ninth Working Conference on Database Semantics: Semantic Issues in E-Commerce Systems
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Scaling up SLA monitoring in pervasive environments
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Managing Non-Functional Properties of Inter-enterprise Business Service Delivery
Service-Oriented Computing - ICSOC 2007 Workshops
A framework for QoS-based Web service contracting
ACM Transactions on the Web (TWEB)
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ACM Transactions on Internet Technology (TOIT)
An adaptive QoS-aware fault tolerance strategy for web services
Empirical Software Engineering
An architecture design of life cycle based SLA management
ICACT'10 Proceedings of the 12th international conference on Advanced communication technology
Journal of Theoretical and Applied Electronic Commerce Research
Web services QoS: external SLAs and internal policies or: how do we deliver what we promise?
WISEW'03 Proceedings of the Fourth international conference on Web information systems engineering workshops
An approach to modeling Web service QoS and provision price
WISEW'03 Proceedings of the Fourth international conference on Web information systems engineering workshops
Agent based dynamic execution of BPEL documents
ISCIS'05 Proceedings of the 20th international conference on Computer and Information Sciences
Formal mapping of WSLA contracts on stochastic models
EPEW'11 Proceedings of the 8th European conference on Computer Performance Engineering
Toward reusable SLA monitoring capabilities
Software—Practice & Experience
Optimal Fault Tolerance Strategy Selection for Web Services
International Journal of Web Services Research
A load control method for small data centers participating in demand response programs
Future Generation Computer Systems
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This paper proposes a novel language for Service Level Agreements (SLAs) for dynamic and spontaneous electronic services. In a cross-organizational setting, it is important for customers of a service to obtain, monitor and enforce quality of service (QoS) guarantees by service providers, usually expressed in the form of SLAs. Since the supervision and management of SLAs and the provisioning of corresponding systems should be automated for economic reasons, we need a formal language to define an SLA. If, moreover, providers and customers want to sign custom-made SLAs, the SLA language, correspondingly, must provide a large degree of flexibility.The SLA language described in this paper aims at providing the needed flexibility by means of an XML-based representation and a runtime system for SLAs. Using this language, parties to an SLA can describe how parameters are measured and computed from raw metrics, the guarantees they want with respect to those parameters and the involvement of third parties to, e.g., independently verify SLA compliance.