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Research on Key Technology of SOA Based on Semantic Web

Author: PengBo
Tutor: LiXinKe
School: Hefei University of Technology
Course: Software Engineering
Keywords: Semantic Web Services Service-oriented architecture Noumenon Web service matching
CLC: TP311.52
Type: Master's thesis
Year: 2009
Downloads: 104
Quote: 2
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Abstract


Web Service technology has good encapsulation , loose coupling , protocol specification standards , as well as a high degree of integration , has been widely supported in the industry to become the technology of choice for implementing SOA . However, due to its supporting technology -WSDL, UDDI lack of description of the semantic information service , thus restricted in the automatic positioning of the service , intelligent matching , automatic composition . Semantic Web is committed to the semantics of the information on the Web , making the semantics of the information can be formalized expression , making this information easily handled automatically by the computer . Semantic Web technology into Web services can effectively improve service matching recall and precision , this paper, based on the body of the Web Services Description Language OWL -S as Web Services Description Language WSDL description language to make up for the lack of semantically . The body is one of the main methods of semantic description , this article draw on existing ontology construction method of ontology construction methods meet engineering thinking . The method uses existing common ontology as a core body of the gradual evolution of the body , in order to ensure the correctness and completeness of the domain ontology . This paper presents a semantic-based Web matching model . The model consists of a service matching two supporting components : service registry and ontology library . Match of the model using stepwise screening services matching strategy , this paper presents an ontology-based concepts similarity calculation hierarchical matching algorithm based reasoning OWL-S/UDDI matching algorithm matching accuracy is not high . The first is a textual description matching filter out a lot of useless services , and service IOPE semantic matching , and finally to match the quality of service . In this paper, a typical case verify the availability of the model framework and the effectiveness of the service matching process .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer software > Program design,software engineering > Software Engineering > Software Development
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