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In this paper, we present the framework of semantic and automatic service orchestration (SASO) system for Web services modeling and composition. The SASO system has the following features: 1) it adopts a semantic approach to model Web services, and 2) it supports a Web service selection policy based on user preferences. First, we express services in their semantics so that relations among the services...
A fuzzy classification method for cooperative design documents of manufacturing based on domain ontology and document structure tagging is presented in this paper. It employs the hierarchical structure of domain ontology and semantic relations between concepts to partition and tag the design documents. Every concept in domain ontology is weighted by the position importance of feature words and the...
Indefinite semantic conflict of words is another category of the problem of semantic consistency of words, besides definite semantic conflict of words. While the definite cases are well solved in our previous work, there are still no effective solutions to the indefinite semantic conflicts of words, which involve a much more complicated process of semantic discrimination. Based on WordNet and our...
Based on a Web service quality model, this paper proposes a Web services automatic composition approach that can enable end user to compose a Web service automatically. After modeling Web services with rules and eliminating semantics conflicts among model parameters, a deduced network is computed with the inputs given by end user. With the deduced network, we can find the composition plan whose QoS...
Web services technology is emerging as a promising approach of integration and interaction for applications within and across organizational boundaries. But it is difficult to meet the practical requirements if only with the individual Web services. As a result, federating existing single Web services into composite Web services is not only necessary but also indispensable. This paper proposes a dynamic...
The automatic composition of Web services requires the existing services to be encoded in a semantic form, such as ontology. If Web services are represented with ontology, we can automatic compose Web services by means of their semantics. Ontology modeling is divided into two steps: input/output parameters modeling and Web services modeling. First, we collect Web services' input/output parameters,...
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