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The incredible amount of web information and the inhumane retrieval result from search engine cannot satisfy people's demands. Reorganizing the web information in hierarchical structure is one solution. To achieve this aim the knowledge base on specific domain is built using ontology technology. The definition of event which is composed by key information and attributes is given to match the knowledge...
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.