Developing RDF-based Web services for supporting runtime matchmaking and invocation

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Abstract

In our previous research, we proposed an Autonomous Matchmaking Web Services (AMWS) framework, in which Web services broker themselves to notify the service registry whether they are suitable to the service requests. This framework is designated to more efficiently work for dynamically assembling services at runtime in a massively distributed environment. The central point of the AMWS is to use RDF (Resource Description Framework) to carry all exchanging messages. However, the implementation detail has not been discussed yet. In this paper, we focus on showing the two most important implementation parts of (1) transforming existing services to become AMWS compliant services that can consume and produce RDF messages; (2) service semantics can be annotated and self-brokered by using our developed Development Time Semantic Annotation and Lowering (DtSAL) Library at programming time.