EARLY ADAPTER EXTRACTION METHOD AND DEVICE AND PROGRAM AND TOPIC WORD PREDICTION METHOD AND DEVICE AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To extract a writer who is sensitive to a topic word, and to extract an information description document described by an early adapter, and to analyze and extract a topic word which may be a topic included in the latest information description document.;SOLUTION: An information description document in which a topic word is included is extracted from a plurality of information description documents, and the fixed number of information description documents whose preparation dates are old, written in an early stage, are extracted from the information description documents, and a writer as an early adapter relating to a topic word describing the information description document whose preparation date is old is extracted. Also, the information description documents for specifying the writer and the preparation date are collected, and the document prepared in the described period is extracted from among the documents of the document writer as the early adapter relating to a certain topic word from among the information description documents, and the topic word is extracted from the document.;COPYRIGHT: (C)2007,JPO&INPIT