Ichimura Yumi

TL;DR: In this paper, a tag content extraction means for extracting the kind of tag information and a character string corresponding thereto from a document with the tag information embedded therein, a candidate generation means for generating candidates for registration in a thesaurus from the character strings corresponding to the kindof tag extracted by the extracting means by a prescribed document analysis process, and a candidate storing means for storing, for the the the saurus, the candidate for registration generated by the generating means.