SYSTEM AND PROGRAM FOR EXTRACTING CORRESPONDENCE RELATION BETWEEN TERMS

摘要

PROBLEM TO BE SOLVED: To provide technology for extracting commodity names of each enterprise based on text data, and automatically associating them to corresponding product classification.

SOLUTION: A system 10 for extracting correspondence relation between terms includes: a product classification dictionary 16 storing a plurality of product classifications as general names; a morphological analysis processing part 12 decomposing an input text sentence into morpheme units, and attaching a corresponding tag to a morpheme corresponding to the production classification of respective morphemes in reference to the product classification dictionary 16; an extraction rule storage part 18 storing a plurality of extraction rules each prescribing a character string pattern including the tag and a position of a character string to be extracted as the concrete commodity name belonging to the production classification attached with the tag from the character string pattern; and a relation information extraction part 14 extracting the character string present in a prescribed position inside the character string pattern matching the extraction rule inside the text sentence as the commodity name belonging to the product classification attached with the tag, and storing a combination between the product classification and the commodity name into a relation information storage part 20.

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