Method and device of hierarchical document filtering

  • US 10,459,983 B2
  • Filed: 10/20/2016
  • Issued: 10/29/2019
  • Est. Priority Date: 10/21/2015
  • Status: Active Grant
First Claim
Patent Images

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 upper layer quality values of the documents at an upper document filtering layer;

    calculating a current layer 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 current layer 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 a degree of consistency between the first document list and the second document list.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×