COMPUTER-READABLE RECORD MEDIUM IN WHICH NAMED ENTITY EXTRACTION PROGRAM IS RECORDED, NAMED ENTITY EXTRACTION METHOD AND NAMED ENTITY EXTRACTION APPARATUS

摘要

A named entity extraction apparatus includes an extraction result acquisition unit for acquiring a named entity extraction result obtained as a result of a named entity extraction process; and a lexicon information creation unit for creating lexicon information which is utilized as clues in extracting named entities from text data, on the basis of the named entity extraction result acquired by said extraction result acquisition unit.