Method of using a natural language interface to retrieve information from one or more data resources
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United States of America Patent
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Jan 9, 2001
Grant Date -
N/A
app pub date -
Apr 9, 1998
filing date -
Apr 9, 1998
priority date (Note) -
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Abstract
A method of using at least one natural language query to retrieve information from one or more data resources and further performing a requested action using the retrieved information is disclosed. At least one natural language query directed to retrieving particular information is received. At least one object from the natural language query is extracted. The relationship between each of the at least one extracted objects is determined. A semantic representation is created from the at least one extracted objects. The semantic representation is compared to a knowledge structure. The knowledge structure is comprised of one or more grammars which are extracted from a plurality of data resources. The semantic representations are matched to the grammar. A database query is generated based on the matched objects. The query is applied to one or more of the data resources and information is retrieved. The requested action is then performed using the retrieved information.
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