The Data Analysis Briefbook
A DAML-Based Repository for QoS-Aware Semantic Web Service Selection
ICWS '04 Proceedings of the IEEE International Conference on Web Services
Cremona: an architecture and library for creation and monitoring of WS-agreents
Proceedings of the 2nd international conference on Service oriented computing
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
A concept for QoS integration in web services
WISEW'03 Proceedings of the Fourth international conference on Web information systems engineering workshops
Semantic WS-agreement partner selection
Proceedings of the 15th international conference on World Wide Web
A Framework for Web service negotiation
ACM Transactions on Autonomous and Adaptive Systems (TAAS)
Improving Temporal-Awareness of WS-Agreement
ICSOC '07 Proceedings of the 5th international conference on Service-Oriented Computing
Temporal-Awareness in SLAs: Why Should We Be Concerned?
Service-Oriented Computing - ICSOC 2007 Workshops
Modeling of Context-Aware Self-Adaptive Applications in Ubiquitous and Service-Oriented Environments
Software Engineering for Self-Adaptive Systems
Customer-defined service level agreements for composite applications
Enterprise Information Systems - Towards Model-driven Service-oriented Enterprise Computing - 12th International IEEE EDOC Enterprise Computing Conference (EDOC 2008)
Aggregating Hierarchical Service Level Agreements in Business Value Networks
BPM '09 Proceedings of the 7th International Conference on Business Process Management
Explaining the Non-compliance between Templates and Agreement Offers in WS-Agreement
ICSOC-ServiceWave '09 Proceedings of the 7th International Joint Conference on Service-Oriented Computing
Service level agreements: web services and security
ICWE'07 Proceedings of the 7th international conference on Web engineering
Hierarchical aggregation of Service Level Agreements
Data & Knowledge Engineering
Deriving business processes with service level agreements from early requirements
Journal of Systems and Software
Evaluating proposals in web services negotiation
ISCIS'06 Proceedings of the 21st international conference on Computer and Information Sciences
Flexible decision making in web services negotiation
AIMSA'06 Proceedings of the 12th international conference on Artificial Intelligence: methodology, Systems, and Applications
Service qos composition at the level of part names
WS-FM'06 Proceedings of the Third international conference on Web Services and Formal Methods
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Non-functional properties of services and service compositions are of paramount importance for the success of web services. The negotiation of non-functional properties between web service provider and consumer can be agreed a priori by specifying an agreement. WS-Agreement is a recently proposed and emerging protocol for the specification of agreements in the context of web services. Though, WS-Agreement only specifies the XML syntax and the intended meaning of each tag, which naturally leads to posing the question of “What’s in an Agreement?” We answer this question by providing a formal definition of an agreement and analyzing the possible evolution of agreements and their terms. From our analysis we identify ways in which to make an agreement more robust and long lived by proposing two extensions to the specification and supporting environment.