With the explosive emerged Web services, the Web becomes a world of information and applications. So portals whose goal is presenting a structured view onto the Web should provide users with a single point access to m...
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ISBN:
(纸本)354025207X
With the explosive emerged Web services, the Web becomes a world of information and applications. So portals whose goal is presenting a structured view onto the Web should provide users with a single point access to multiple types of not only information but also services. Recently, many systems have been developed using ontology-driven approaches to automatically generate and manage Web portals. However, all of them lack the integration of Web services. In this paper, we describe SPortS, an OWL-DL(Web Ontology Language-Description Logics) based portal generation system that integrates semantic Web services into generated portals at the presentation level, the data level and the function level. We present the portal generation process, the query decomposition and the service recommendation algorithms through which semantic Web services are integrated tightly into the generated portal.
Web users use search engine to find useful information on the Internet. However current web search engines return answer to a query independent of specific user information need. Since web users with similar web behav...
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ORIENT is a project to develop an ontology engineering tool that integrates into existing industry tooling environments-the Eclipse platform and the WebSphere Studio developing tools family. This paper describes how t...
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ISBN:
(纸本)3540237984
ORIENT is a project to develop an ontology engineering tool that integrates into existing industry tooling environments-the Eclipse platform and the WebSphere Studio developing tools family. This paper describes how two important issues are addressed during the project, namely tool integration and scalability. We show how ORIENT morphs into the Eclipse platform and achieves UI and data level integration with the Eclipse platform and other modelling tools. We also describe how we implemented a scalable RDF(S) storage, query, manipulation and inference mechanism on top of a relational database. In particular, we report the empirical performance of our RDF(S) closure inference algorithm on a DB2 database.
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