INTEREST ANALYSIS METHOD, INTEREST ANALYSIS DEVICE, AND INTEREST ANALYSIS PROGRAM

摘要

PROBLEM TO BE SOLVED: To reduce an amount of necessary data and also preliminarily estimate an amount of necessary data for analyzing a user's interest.SOLUTION: The interest analysis method includes: collectively storing, in boxes, intermediate results to be inquired when calculating a user interest score for each prescribed collection period and calculating the user interest score using the intermediate results stored in a box belonging to a history window size. When the history window size alone is defined as an analysis object or when weighting is performed according to a time, this configuration can reduce the amount of data of the intermediate results to be stored and also preliminarily estimate the amount of data.