Bioinformatics workflow design using semantically annotated Web services
Dhamanaskar, Alok Ajit
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Recent years have seen a tremendous rise in the number of bioinformatics tools available as Web services. Availability of tools as Web services, open-up possibilities for the creation of Web service compositions for performing complex data analysis that often involves multiple steps. Web services are usually developed independently of one another, making it difficult to construct Web service compositions. The Service Suggestion Engine (SSE) a system that uses semantically annotated Web services (using the SAWSDL mechanism), have been developed to help users in the construction of Web service compositions. SSE can provide suggestions for the next or previous step in the workflow. In order to support consistent annotation of bioinformatics Web services, the Ontology for Biomedical Investigations (OBI) has been extended to create OBI-WS, a Bioinformatics Web Service Ontology. The performance of SSE is evaluated against a consensus of domain experts.