Achieving multi-tenanted business processes in SaaS applications
WISE'11 Proceedings of the 12th international conference on Web information system engineering
Scenario-Driven development of context-aware adaptive web services
WISE'12 Proceedings of the 13th international conference on Web Information Systems Engineering
Representing service-relationships as first class entities in service orchestrations
WISE'12 Proceedings of the 13th international conference on Web Information Systems Engineering
ROAD4SaaS: scalable business service-based saas applications
CAiSE'13 Proceedings of the 25th international conference on Advanced Information Systems Engineering
Enabling ad-hoc business process adaptations through event-driven task decoupling
CAiSE'13 Proceedings of the 25th international conference on Advanced Information Systems Engineering
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Service oriented architecture plays a prominent role in creating and utilizing business services in enterprise computing environments. The service composers produce value by aggregating lower-level re-usable services, scattered across the internet to create application level services. Web service middleware facilitates in defining service compositions in a comprehensive manner. However, in order to ensure the business viability amidst unpredictably changing business requirements, such compositions may need to adapt during the runtime. Such changes might vary from a minor regulation to a major re-structuring of the IT service composition. However, the complexity of the composition shouldn't increase and the runtime interruptions to the service delivery need to be kept to a minimum. In this paper we introduce ROAD4WS, which is a middleware extension to the popular Apache Axis2 web service engine. The extension brings together the modular adaptive architecture of the Role Oriented Adaptive Design (ROAD) with the web services deployment and consumption capabilities of the Apache Axis2 engine, in order to facilitate deploying adaptive service compositions.