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Searches for similar documents

US9792355B2 · kind B2 · utility

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14Claims
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Key dates

Filing dateOct 25, 2011
Grant dateOct 17, 2017
Priority date
Expiry dateOct 12, 2033

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F16/334
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

In an embodiment, a method is provided for searching similar documents. Here, a document is accessed and terms from a metamodel semantic network is identified. The document is analyzed to identify a number of the terms from the metamodel semantic network that are also found in the document, and to identify a frequency of occurrence in the document for each term. A search is conducted for other documents having frequencies of occurrences that are similar to the identified frequency of occurrence. These other documents have been previously analyzed using the same terms from the metamodel semantic network.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.