System for processing textual inputs using natural language processing techniques
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United States of America Patent
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May 31, 2005
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app pub date -
Jun 16, 1998
filing date -
Jul 22, 1997
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Abstract
A system filters documents in a document set retrieved from a document store in response to a query. The system obtains a first set of logical forms based on a selected one of the query and the documents in the document set. The system obtains a second set of logical forms based on another of the query and the documents in the document set. The system then uses natural language processing techniques to modify the first logical forms to obtain a modified set of logical forms. The system filters documents in the document set based on a predetermined relationship between the modified set of logical forms and the second set of logical forms.
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