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Query expansion has been considered as an effective technique for dealing with the fundamental issue of word mismatch in information retrieval for a long time. So far researchers solve this major problem through a wide variety of query expansion techniques. We primarily discuss the query expansion based on local analysis. It includes local feedback, local context analysis (LCA) and local clustering...
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.