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Query Expansion is usually used to enhance user's query in document retrieval and knowledge recommender system. It aims to help user extend the original query to resolve the problems of user's fuzzy demand and limited domain knowledge when user faces complex knowledge demand. Current researches extend user's query mainly based on statistical method while the characteristics of human memory retrieval...
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.