PURPOSE: To easily select a necessary keyword. ;CONSTITUTION: When a display request is inputted from an input device 24 to a data processor 28, a keyword is extracted from a keyword storing part 24, feature information is extracted from a feature information storing part 54 and a keyword/feature information correspondence part 46 allows each keyword to correspond to feature information related to the keyword. The keyword and the feature information of which correspondence is set up are outputted to a display indication part 36 and display based upon a specified display form is indicated by the indication part 36. Thereby each keyword and feature information to be a decision reference for selecting the keyword are simultaneously displayed on the screen of an output device 26.;COPYRIGHT: (C)1996,JPO
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