| 摘要 |
PROBLEM TO BE SOLVED: To efficiently and accurately retrieve a desired document by the document retrieval device. SOLUTION: This document retrieval device is a document retrieval device which retrieves a desired document from a plurality of documents stored in a file 2 and is equipped with an input part 1 to which words, phrases, part-of- speech information, etc., are inputted, a storage means which adds words and phrases to part-of-speech information and saves them in the file 2, and a CPU 3 which retrieves a word and a phrase matching a key word and part-of-speech information inputted from the input part 1 from the file 2 and displays a document including the word and phrase at a display part 4. |
