Patent ID: 6738765
Filing Date: 2004-05-18
Classification: G06F,Y10S

Abstract:
Computer readable storage media including a system for performing a search using a relational text index, the system intended to be used on a computer system having an input device, an output device, storage media, dynamic memory a processor, and documents located on said storage media, the system for performing a search using a relational text index comprising:a parser capable of parsing natural language sentences contained within said documents to identify grammatical parts of the sentences, a tool for applying caseframes to said parsed sentences to generate caseframe extractions, caseframes being syntactic structures that recognize local area context, a tool for performing thematic role assignment on said caseframe extractions to generate thematic role extractions, a tool for utilizing sentence information to build a relational text index that is usable by said computer system, a relational text index, and a search tool performing a search of said documents using said relational text index; wherein said search toolcan search using a thematic role specifier as a search determiner.