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The Semantic web services composition orchestrates the heterogeneous resources and services on the web with a loose couple, which crosses language and platform. This paper presents the general web service and semantic web services with two standards such as BPEL4WS and OWL-S, and introduce the way to composite web services via BPEL4WS and its advantages and disadvantages. Then next it states the means...
Teaching resources are very important to the people who are studying from the learning web. However, there are some semantic ambiguities between expressions of these resources which are stored in different systems. In order to reduce these ambiguities and share teaching resource to all users, a Teaching Resource Ontology model (TROM) based on SUMO was constructed in this paper, and relations among...
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