Information display device, information display program and information display system

A computer implemented information display program product comprising:

• an access processing module that processes a file access designated by a user;
• a phrase extracting module that extracts a plurality of phrases from a file subjected to the file access, in accordance with a predetermined extraction rule;
• a weight processing module that selects, when the plurality of phrases are extracted from the file, keywords that match the plurality of phrases from a keyword storage unit, and determines a priority keyword based on the weights linked to the selected keywords, the keyword storage unit storing a plurality of keywords, linking the keywords to weights;
• a useful information selecting module that selects the useful information associated with the priority keyword from a useful information storage unit and displays the selected information on a screen, the useful information selecting unit storing a plurality of items of useful information for use by the user;
• a feedback receiving module that receives from the user an input for evaluation indicating whether user is interested in the content of the file;
• and
• a weight adjusting module that adjusts the weight linked to the keyword selected by the weight processing module, based on the input evaluation, and records the adjusted weight in the keyword storage unit.

A server-client information display system for displaying useful information in a client terminal, comprising a client terminal and a server,

• the client terminal comprising:
• an access processor operative to process a file access designated by a user;
• a phrase extractor operative to extract a plurality of phrases from a file subjected to the file access, in accordance with a predetermined extraction rule;
• a keyword storage unit operative to store a plurality of keywords, linking the keywords to weights;
• a weight processor operative to select, when the plurality of phrases are extracted from the file, keywords that match the plurality of phrases from the keyword storage unit and to determine a priority keyword based on the weights linked to the selected keywords;
• a feedback receiving unit operative to receive from the user an input for evaluation indicating whether user is interested in the content of the file;
• and
• a weight adjusting unit operative to adjust the weight linked to the keyword selected by the weight processor, based on the input evaluation, and to record the adjusted weight in the keyword storage unit, and
• the server comprising:
• a useful information storage unit operative to store a plurality of items of useful information for use by the user, in association with keywords related to the content of the information;
• and
• a useful information selector operative to receive the priority keyword from the client terminal, to select the useful information associated with the priority keyword, and to transmit the selected information to the client terminal.