CONTENT DATA MANAGEMENT DEVICE, CONTENT DATA MANAGEMENT SYSTEM, CONTENT DATA MANAGEMENT PROGRAM AND CONTENT DATA MANAGEMENT METHOD

摘要

PROBLEM TO BE SOLVED: To provide a content data management device, a content data management system, a content data management program and a content data management method which perform appropriate grouping of pieces of content data.SOLUTION: A set-top box 10 extracts geo-tag information and time tag information which are attached to each piece of image data to calculate a speed based on the geo-tag information and the time tag information. Then, the set-top box 10 performs grouping of the pieces of image data based on the calculated speeds to display map images representing each group.