CONCEPT DICTIONARY CREATING DEVICE, DOCUMENT CLASSIFYING DEVICE, CONCEPT DICTIONARY CREATING METHOD, AND DOCUMENT CLASSIFYING METHOD

摘要

PPROBLEM TO BE SOLVED: To efficiently classify and arrange examples described in a natural language document. PSOLUTION: This concept dictionary creating device is configured to process steps of inputting sample words included in a specific concept, dividing the natural language document into a plurality of morphemic words and extracting morphemic words which cooccur from the sample words, as co-occurrence words from the divided morphemic words, displaying the extracted cooccurrence words as candidates classified into concept words related to the sample words, together with the sample words on an operation screen, selecting the sample words and the extracted cooccurrence words on the operation screen, and storing the sample words and the selected cooccurrence words. A document classifying device classifies the incorporated natural language document using the concept dictionary created by the concept dictionary creating device, and displays the classified result. PCOPYRIGHT: (C)2008,JPO&INPIT