Automatic Topic Identification

Method of Identifying Topic of Text Using Nouns

This technology automatically describes and categorizes the topic of text using nouns, allowing it to serve as a foundation for semantic interfacing with a knowledgebase. It has the advantage of not needing stop lists or extensive word stemming, which enables the tool to find words regardless of their form. Additionally, this technology provides results that are uniquely accurate by using a set list of nouns to concisely limit the search space and a probability-based measure of distance to categorize the topic.

 

Abstract: 

Click to view PDFs of these patents on the US Patent and Trademark Office website: Patent #7,805,291

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applications: 
  • Search engine enhancement
  • Document storage and retrieval
  • Automated tools for information management and maintenance
Patent Number: 
7,805,291
Patent Issue Date: 
September 28, 2010
Email: 
tech_transfer@nsa.gov
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