SLA validation in layered cloud infrastructures
GECON'10 Proceedings of the 7th international conference on Economics of grids, clouds, systems, and services
Aggregation patterns of service level agreements
Proceedings of the 8th International Conference on Frontiers of Information Technology
A semantic rule and event driven approach for agile decision-centric business process management
ServiceWave'11 Proceedings of the 4th European conference on Towards a service-based internet
Agent-based organisational governance of services
Multiagent and Grid Systems - Development of service-based and agent-based computing systems
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Business-to-business workflow interoperation across Virtual Organisations (VOs)brings about possibilities for novel business scenarios. In such business scenarios, parts of workflows corresponding to different partners can be aggregated in a producer-consumer manner,making hierarchical structures of added value. Service Level Agreements (SLAs),which are contracts between service providers and service consumers, guarantee theexpected quality of service (QoS) to different stake holders at various levels inthis hierarchy. This hierarchical SLA choreography and aggregation poses newchallenges regarding its description, management, maintenance, validation, trust andsecurity. In this paper we focus on the design and assessment of an agent-enabled,rule-based validation framework for the hierarchical SLA aggregation, correspondingto cross-VO workflow cooperation.