Ontology-driven Web services composition platform

Discovering and assembling individual Web services into more complex yet new and more useful Web processes is an important challenge. In this paper, we present techniques for (semi) automatically composing Web services into Web processes by using their ontological descriptions and relationships to other services. In interface-matching automatic composition technique, the possible compositions are obtained by checking semantic similarities between interfaces of individual services. Then these compositions are ranked and an optimum composition is selected. In Human-Assisted composition the user selects a service from a ranked list at certain stages. We also address automatic compositions in a peer-to-peer network.