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Organising and storing documents

  • US 9,165,063 B2
  • Filed: 07/05/2007
  • Issued: 10/20/2015
  • Est. Priority Date: 07/06/2006
  • Status: Active Grant
First Claim
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1. A data handling device for organising and storing documents for subsequent retrieval, the documents having associated metadata terms, the device comprising:

  • means configured to provide access to a store of existing metadata;

    means configured to analyse the existing metadata to generate statistical data as to co-occurrence of pairs of terms in the metadata of a single document;

    means configured to analyse a fresh document to assign to the fresh document a set of terms and configured to determine a measure of a strength of association of each term with the document;

    means configured to determine for each term of the set of terms a score that is a monotonically increasing function of (a) the strength of association with the document and of (b) a relative frequency of co-occurrence, in the existing metadata, of the term and another term that occurs in the set of terms;

    means configured to select, as metadata for the fresh document, a subset of the terms in the set of terms having highest scores.

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