METHOD AND DEVICE OF HIERARCHICAL DOCUMENT FILTERING

  • US 20170116191A1
  • Filed: 10/20/2016
  • Published: 04/27/2017
  • Est. Priority Date: 10/21/2015
  • Status: Active Grant
First Claim
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1. A method for filtering documents, comprising:

  • selecting multiple documents from a to-be-filtered document set of a current document filtering layer according to a preset sampling strategy, and forming a first document list by using the selected documents according to an order of the selected documents in the to-be-filtered document set, wherein documents in the to-be-filtered document set are ordered according to quality values of the documents at an upper document filtering layer;

    calculating a quality value of each document in the first document list on the current document filtering layer according to a relevance calculation method for the current document filtering layer;

    reordering the documents in the first document list according to the quality value of each document in the first document list on the current document filtering layer, to obtain a second document list; and

    filtering the to-be-filtered document set of the current document filtering layer according to the degree of consistency between the first document list and the second document list.

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