| 摘要 |
PROBLEM TO BE SOLVED: To provide the information storage and retrieval device which can be improved in the efficiency of document registration and document retrieval and its control method by analyzing a document, informing an operator of a word that seems to be a new word or coined word and efficiently registering it in a word dictionary, and generating an index. SOLUTION: When a word registered in the word dictionary is extracted from the inputted document and a coined word other than the extracted word is extracted for characters in the document, the extracted coined word is registered in a coined- word candidate list. When the operator instructs a new-word registering process, the new word registered in the new word candidate list is displayed in a new word candidate list and when the marks '○' and '×' in a 'choice' area R21 are specified by mouse clicking, etc., the selection state is inverted each time the mouse is clicked and whether or not the new word is registered is selected. The area R24 is an area where new words in KATAKANA (square form of Japanese syllabary) are all selected together and the selection state of the KATAKANA new words can be set to '○'more easily than the marks '○' and '×' of the respective words in the area R21 are clocked.
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