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Information extraction from a database

  • US 8,037,065 B1
  • Filed: 01/19/2010
  • Issued: 10/11/2011
  • Est. Priority Date: 03/10/1999
  • Status: Expired due to Term
First Claim
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1. A method comprising:

  • searching a plurality of documents to identify a plurality of occurrences of a first tuple in text of the plurality of documents and a respective context for each occurrence of the first tuple in the text of the plurality of documents;

    analyzing the identified plurality of occurrences and the respective context for each occurrence to identify a first data pattern that corresponds to the first tuple;

    extracting a second tuple from the text of the plurality of documents, using the first data pattern;

    storing the first tuple and the second tuple in a data storage;

    identifying a second data pattern that corresponds to the second tuple;

    identifying, in the plurality of documents, an occurrence of a third tuple, that matches the identified second data pattern and that is different from the first and second tuples; and

    storing the third tuple in the data storage.

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