Small talk is more than chit-chat: exploiting structures of casual conversations for a virtual agent

  • Authors:
  • Nikita Mattar;Ipke Wachsmuth

  • Affiliations:
  • Artificial Intelligence Group, Bielefeld University, Bielefeld, Germany;Artificial Intelligence Group, Bielefeld University, Bielefeld, Germany

  • Venue:
  • KI'12 Proceedings of the 35th Annual German conference on Advances in Artificial Intelligence
  • Year:
  • 2012

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Abstract

An approach of improving the small talk capabilities of an existing virtual agent architecture is presented. Findings in virtual agent research revealed the need to pay attention to the sophisticated structures found in (human) casual conversations. In particular, existing dialogue act tag sets lack of tags adequately reflecting the subtle structures found in small talk. The approach presented here structures dialogues on two different levels. The micro level consists of meta information (speech functions) that dialogue acts can be tagged with. The macro level is concerned with ordering individual dialogue acts into sequences. The extended dialogue engine allows for a fine-grained selection of responses, enabling the agent to produce varied small talk sequences.