Recording and Analyzing the Process of Building Common Ground in Dialogues in a Collaborative Task

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  • 共同作業を行う対話における共通基盤構築過程の記録と分析

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<p>To develop a dialogue system that can build common ground with users, the process of building common ground through dialogue needs to be clarified. However, the studies on the process of building common ground have not been well conducted; much work has focused on the final task results as common ground in which users perform a collaborative task. In this study, to clarify the process of building common ground in the dialogue where workers collaboratively perform a given task, we propose a data collection method for automatically recording the process of building common ground through a dialogue by using the intermediate result of a task. We analyzed 984 dialogues, and the result of investigating the process of building common ground suggests that several typical patterns can exist in that process and that common ground tends to be built if each worker’s understanding is conveyed through the affirmation of a counterpart’s utterances. In addition, toward dialogue systems that can build common ground with users, we conducted an automatic estimation of the degree of built common ground and found that its degree can be estimated with a dialogue and intermediate task result. </p>

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