METHOD FOR AUTOMATIC CLASSIFICATION OF DOCUMENT, METHOD FOR VISUALIZATION OF INFORMATION SPACE, AND INFORMATION RETRIEVAL SYSTEM

摘要

PURPOSE: To obtain the information retrieval system which can easily obtain a retrieval key word and functions as a bottom-up type sending support system. CONSTITUTION: This system is provided with a retrieval result storage part 9 in which a set of documents retrieved from a document data base 1 by an information retrieval part 9 under retrieval conditions from a retrieval condition input part 3 is stored, an automatic classification part 10 which automatically classifies the documents in the document set, an information space visualization part 11 which visualizes the information space of the automatically classified document set, a document selection part 12 which calls an automatically classified document by specifying the visualized two-dimensional position and selects one of plural documents when there are plural documents, and a document content display part 13 which takes the contents of the selected document out of the retrieval storage part 9 and displays them.