Electronic dictionary system

Abstract

A concept dictionary management device includes a fundamental concept dictionary data holding portion for holding fundamental concept network connection information which represents fundamental concept network connections among words stored in a concept dictionary, a first supplemental concept dictionary data holding portion for holding first supplemental concept network connection information to be used for adding words to and deleting words from the concept network connections represented by the fundamental concept network connection information, a second supplemental concept dictionary data holding portion for holding second supplemental concept network connection information to be used only for personal use, to add one or more words to and deleting one or more words from the concept network connections obtained as a result of an addition of a deletion of the words connection by using the first supplemental concept network connection information, a concept dictionary retrieval portion for retrieving a concept network connection including an input word from the fundamental concept dictionary data holding portion, from the first supplemental concept dictionary data holding portion and from the second supplemental concept dictionary data holding portion, and an operation control portion for receiving concept network connection information representing the concept network connection retrieved by the concept dictionary retrieval means and for extracting a word from the received network connection information and outputting data indicating the extracted word to the concept dictionary retrieval portion as data indicating an input word.