Service Integration is the act of combining the resulting data of various complementary web services into a common scenario. Such an approach is assuring with respect to the discovery of new types of knowledge. Before service integration processes can be executed, it is necessary to predict which web services are required candidates. Knowledge Discovery in Services (KDS) process is specialized to address a repository of open services that do not contain semantic annotations. In these conditions, specialized methods are required to determine equivalences among open services with sensible precision. It commences a bottom-up process for KDS that adapts to the environment of services for which it operates.

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