MUST READ: create an architecture for a Web Service Search Engine that automatically aggregates information from heterogeneous sources. create a service crawler that identifies services and relevant service-related information from the Web. generate semantic service descriptions from diverse sources, especially Web 2.0 services and blogs. build index structures to allow efficient access to services within the repository and develop a matching engine. develop a Web 2.0 portal that provides access to available services while tracking the user behaviour in order to improve the accuracy of both service matching and recommendation process.