STORAGE MEDIUM IN WHICH PROGRAM TO EVALUATE DOCUMENT DATA IS STORED

摘要

PROBLEM TO BE SOLVED: To obtain evaluation matched to an operator's intention for each document. SOLUTION: Plural documents are stored in a document storage means 3. A viewpoint profile and viewpoint profile corresponding information to be composed of plural related words related to the viewpoint profile are stored in a corresponding information storage means 5. An evaluated value for each viewpoint profile is calculated and the evaluated value of each viewpoint profile is decided for each piece of document data to be evaluated by an evaluating means 7. Clustering is performed based on the evaluated value of each piece of document data by a clustering means 9. A characteristic keyword regarding a certain cluster is extracted from the document data sorted into the cluster by comparing pieces of document data sorted into different clusters by an extracting means 11. The extracted keyword is displayed on a display means 19.