Abstract: A method for obtaining structured information from a natural language text by aggregation. The aggregation includes steps of reading in a natural language text, recognizing sentences and sentence constituents for the text read in in accordance with an extractor, which allocates an information-bearing structure to each sentence or sentence constituent, allocating a substitution symbol to one or more sentences or sentence constituents, introducing the results into a further information-bearing structure which comprises functors and argument terms and is described by a grammar.
Type:
Grant
Filed:
August 28, 1998
Date of Patent:
February 18, 2003
Assignee:
International Business Machines Corporation