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As a model for knowledge description and formalization, ontologies are widely used to represent user profiles in personalized web information gathering. However, when representing user profiles, many models have utilized only knowledge from either a global knowledge base or a user local information. In this paper, a personalized ontology model is proposed for knowledge representation and reasoning...
Agricultural knowledge is broadly distributed on Internet. They are heterogeneous and polymorphism. In this paper, we gave an overview of using ontology in distributed agricultural knowledge management. We proposed the key steps to implement semantic web to management agricultural knowledge. We discussed semantic knowledge retrieval as emphases application of ontology in agricultural knowledge management...
With the rapid development of Internet technology, web information system has achieved great development, and XML, as the new carrier and standard of information exchanging and calculating on the internet, has been widely used as well. While providing a uniform syntax and semi-structured data model, XML does not express semantics but only structure. This paper combines the web data integration problem...
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