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Robust spoken language understanding in a computer game
2006 (English)In: Speech Communication, ISSN 0167-6393, E-ISSN 1872-7182, Vol. 48, no 03-4, 335-353 p.Article in journal (Refereed) Published
Abstract [en]

We present and evaluate a robust method for the interpretation of spoken input to a conversational computer game. The scenario- of the game is that of a player interacting with embodied fairy-tale characters in a 3D world via spoken dialogue (supplemented by graphical pointing actions) to solve various problems. The player himself cannot directly perform actions in the world, but interacts with the fairy-tale characters to have them perform various tasks, and to get information about the world and the problems to solve. Hence the role of spoken dialogue as the primary means of control is obvious and natural to the player. Naturally, this means that robust spoken language understanding becomes a critical component. To this end, the paper describes a semantic representation formalism and an accompanying parsing algorithm which works off the output of the speech recogniser's statistical language model. The evaluation shows that the parser is robust in the sense of considerably improving on the noisy output of the speech recogniser.

Place, publisher, year, edition, pages
2006. Vol. 48, no 03-4, 335-353 p.
Keyword [en]
spoken language understanding, robust parsing, robustness, dialogue systems, conversational systems, computer games, animated characters
Identifiers
URN: urn:nbn:se:kth:diva-15468ISI: 000235664500008OAI: oai:DiVA.org:kth-15468DiVA: diva2:333509
Note
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved

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Gustafson, Joakim

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