METHOD FOR FILTERING DATE/TIME-CATEGORIZED RECOMMENDED ITEM, AND PROGRAM THEREOF

摘要

PROBLEM TO BE SOLVED: To provide a method for filtering a date/time-categorized recommended item and a program thereof that recommend an item by adding weight to date and time information when a user accesses contents.

SOLUTION: The method for filtering a date/time-categorized recommended item comprises: a step for date/time weight calculation means to calculate a date/time weight based on date/time information; a step for between-user-item evaluation matrix creation means to create a between-user-item evaluation matrix in which each user's evaluation values for each item are listed; a step for between-user-item matrix evaluation weighting means to weight with date/time weight obtained from a date/time weighting table storage part; a step for user similarity calculation means to calculate a similarity between a sample user and a recommended user; and a step for item evaluation estimated value calculation means to calculate an estimated evaluation value based on numerical values including the similarity value and the weighted evaluation value.

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