RETRIEVAL KEYWORD INFORMATION PROVIDING DEVICE, METHOD, AND PROGRAM FOR SAME

摘要

PROBLEM TO BE SOLVED: To provide a technique that makes the trend information easy to retrieve from the ranking of the key words.

SOLUTION: This technique uses a means to tabulate the number of usage of each retrieval keyword from the keyword retrieval log-in information and to obtain the data representing the correlations between the retrieval keyword groups on a retrieval keyword information providing device which sends the tabulation results to the user clients, a means to extract the retrieval keywords group strong in the above correlations in the tabulation results sent from the user clients, and a means to send the information including the retrieval keyword group strong in the above correlation to the user clients.

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