Dealing with Out of Domain Questions in Virtual Characters (bibtex)
by Patel, Ronakkumar, Leuski, Anton and Traum, David
Abstract:
We consider the problem of designing virtual characters that support speech-based interactions in a limited domain. Previously we have shown that classification can be an effective and robust tool for selecting appropriate in-domain responses. In this paper, we consider the problem of dealing with out-of-domain user questions. We introduce a taxonomy of out-of-domain response types. We consider three classification architectures for selecting the most appropriate out-of-domain responses. We evaluate these architectures and show that they significantly improve the quality of the response selection making the user?s interaction with the virtual character more natural and engaging.
Reference:
Dealing with Out of Domain Questions in Virtual Characters (Patel, Ronakkumar, Leuski, Anton and Traum, David), In Proceedings of the 6th International Conference on Intelligent Virtual Agents, 2006.
Bibtex Entry:
@inproceedings{patel_dealing_2006,
	address = {Marina del Rey, CA},
	title = {Dealing with {Out} of {Domain} {Questions} in {Virtual} {Characters}},
	url = {http://ict.usc.edu/pubs/Dealing%20with%20Out%20of%20Domain%20Questions%20in%20Virtual%20Characters.pdf},
	abstract = {We consider the problem of designing virtual characters that support speech-based interactions in a limited domain. Previously we have shown that classification can be an effective and robust tool for selecting appropriate in-domain responses. In this paper, we consider the problem of dealing with out-of-domain user questions. We introduce a taxonomy of out-of-domain response types. We consider three classification architectures for selecting the most appropriate out-of-domain responses. We evaluate these architectures and show that they significantly improve the quality of the response selection making the user?s interaction with the virtual character more natural and engaging.},
	booktitle = {Proceedings of the 6th {International} {Conference} on {Intelligent} {Virtual} {Agents}},
	author = {Patel, Ronakkumar and Leuski, Anton and Traum, David},
	month = aug,
	year = {2006},
	keywords = {Virtual Humans}
}
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