PROBLEM TO BE SOLVED: To generate summary data formed by arranging character data relating to image data, in association with the image data.SOLUTION: A summary data generation apparatus 101 provides screen data 110 in a communication corresponding to a user belonging to a specific user group. The screen data 110 displays received character data 111-115 and image data 116, 117 received in the communication corresponding to members A, B, C belonging to a specific user group, in the order of receiving time. The summary data generation apparatus 101 extracts the image data 116, 117 of the received data. The summary data generation apparatus 101 generates summary data 120 by arranging character data 111, 114 received at a receiving time close to the time when the image data 116, 117 are received, in association with each of the image data 116, 117.SELECTED DRAWING: Figure 1
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