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An expansion model of semantic query based on ontology is proposed for the problem of ldquoexpression differencerdquo and ldquomechanical matchrdquo that usually exists in information retrieval. By using domain knowledge in ontology, retrieval system can improve semantic understanding of retrieval documents, and give the chance to user to put their information request in more nature way (more precise...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.