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Cooccurrence and constructions

  • US 7,373,102 B2
  • Filed: 08/11/2004
  • Issued: 05/13/2008
  • Est. Priority Date: 08/11/2003
  • Status: Active Grant
First Claim
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1. A system for ranking contexts within which a word in a corpus appears, comprising:

  • a processor; and

    a processor-readable storage medium operably connected to the processor,wherein the processor-readable storage medium contains one or more programming instructions for performing a method for ranking contexts within which a word in a corpus appears, the method comprising;

    for each word in a corpus, determining a local ranking for each of one or more contexts,wherein each context comprises a word sequence located in a particular arrangement relative to the word, wherein the particular arrangement comprises the relative ordering of the word sequence and the word,wherein the local ranking comprises an ordering based on the frequency with which each context appears with the word;

    for each context, determining a global ranking;

    computing a statistic for each context based on one or more of the local ranking and the global ranking, andordering the one or more contexts based on the computed statistic for each context.

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