| 摘要 |
PROBLEM TO BE SOLVED: To reduce the number of words required to be input by a user from among lacking words not described in a document described in natural language.SOLUTION: Clustered important words generated by using other documents and a causal relationship among these important words are formed into a database, when important words are extracted from a new document, and those among the important words of the database not included in the important words of the new document and the upstream words of the causal relationship included in the cluster of the important words are words not included in the important words, the words are included in a word list presented to require a user to input, and when those among the important words of the database not included in the important words of the new document and the upstream words of the causal relationship included in the cluster of the important words are words included in the important words, the words are not included in the word list presented to require a user to input, and thus a word list is created.SELECTED DRAWING: Figure 1 |
