DOCUMENT RETRIEVING METHOD ACCOMPANIED BY PRESENTATION OF RELATED WORD, DOCUMENT RETRIEVING DEVICE AND RECORDING MEDIUM RECORDING PROGRAM

摘要

PROBLEM TO BE SOLVED: To reduce the burden of a user in accordance with increase of frequency of interaction to the utmost while efficiently assisting retrieval of the user. ;SOLUTION: This device 10 is provided with a retrieval tree creating part 100 and a deciding part 200 for presentation candidate for related word/retrieved documents. In this case, a retrieval tree assuming multi-item distribution in evaluation by the user is outputted when a keyword is given by the retrieval tree creating part 100. Relating to the deciding part 200 for presentation candidate for related word/retrieved document, a presentation method of the related word and the retrieved document to maximize the evaluation of a retrieved result by the user on the basis of a base standard is selected, the optimal related word or retrieved document for the keyword is outputted when the retrieval tree is given and the optimal related word or retrieved document in consideration of the evaluation is repeatedly outputted until the retrieval is completed with or without satisfaction by the user when the evaluation of the outputted related word or retrieved document is inputted.;COPYRIGHT: (C)2000,JPO