Dictionary construction device, map creation device, search device, dictionary construction method, map creation method, search method, and program

摘要

PROBLEM TO BE SOLVED: To easily construct a term dictionary containing more related words of terms without including terms not belonging to a predetermined class, a dictionary construction device, a map creation device, a search device, a dictionary construction method, a map creation method, Provide search methods and programs. A dictionary construction device 1 in an information system classifies two or more terms into a term classification unit 131 that determines whether or not the terms belong to a predetermined class in the processing unit 13. Using the results, the document group is searched using the reduction processing unit 132 excluding the terms that do not belong to the predetermined class from the two or more terms and each of the remaining one or more terms as a key, and each of the one or more terms. Acquires one or more related words related to a term from the information in the acquired document and the document search unit 133 that acquires the document corresponding to the term, and corresponds to the corresponding term. It includes an expansion processing unit 134 that acquires and stores a term dictionary having a plurality of attached sets. [Selection diagram] Fig. 1