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An information retrieval system not only occupies an important position in the network information platform, but also plays an important role in information acquisition, query processing, and wireless sensor networks. It is a procedure to help researchers extract documents from data sets as document retrieval tools. The classic keywordbased information retrieval models neglect the semantic information which is not able to represent the user's needs. Therefore, how to efficiently acquiredoi:10.1186/s13638-019-1354-z fatcat:abmemrigsngmjh5azds7brkaaq