Chat, Shift and Perform: Bridging the Gap between Task-oriented and Non-task-oriented Dialog Systems

• URL: http://arxiv.org/abs/2206.11813v1
• Date: Sun, 5 Jun 2022 05:00:18 GMT
• Title: Chat, Shift and Perform: Bridging the Gap between Task-oriented and Non-task-oriented Dialog Systems
• Authors: Teppei Yoshino, Yosuke Fukuchi, Shoya Matsumori, Michita Imai
• Abstract summary: We propose CASPER, a novel dialog system consisting of three types of dialog models: chatter, shifter, and performer. Shifter, which is designed for topic switching, enables a seamless flow of dialog from open-domain chat- to task-oriented dialog.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We propose CASPER (ChAt, Shift and PERform), a novel dialog system consisting of three types of dialog models: chatter, shifter, and performer. Shifter, which is designed for topic switching, enables a seamless flow of dialog from open-domain chat- to task-oriented dialog. In a user study, CASPER gave a better impression in terms of naturalness of response, lack of forced topic switching, and satisfaction compared with a baseline dialog system trained in an end-to-end manner. In an ablation study, we found that naturalness of response, dialog satisfaction, and task-elicitation rate improved compared with when shifter was removed from CASPER, indicating that topic shift with shifter supports the introduction of natural task-oriented dialog.

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