PROBLEM TO BE SOLVED: To analyze association between events about user's utterances in the viewpoint of a QOL evaluation.;SOLUTION: An event acquisition unit 12 acquires an event about target user's utterances, and acquires context information representing a context that causes the event, a QOL estimation unit 14 estimates an evaluation item to which the event corresponds among a plurality of respective evaluation items related to a QOL (Quality of Life) representing the quality of life of the target user, and the evaluation value of each evaluation item in each event acquired by the event acquisition unit 12, an association analysis unit 16 analyzes association between events by using an association analysis model 26 for outputting an estimation result by the QOL estimation unit 14, contents shown by the events, the context information, and an association degree between the events, and an output unit 18 outputs an analysis result by the association analysis unit 16.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2020,JPO&INPIT
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