T2D: Generating Dialogues Between Virtual Agents Automatically from Text

Piwek, Paul; Hernault, Hugo; Prendinger, Helmut and Ishizuka, Mitsuru (2007). T2D: Generating Dialogues Between Virtual Agents Automatically from Text. In: Intelligent Virtual Agents (Pelachaud, Catherine; Martin, Jean-Claude; Andre, Elisabeth; Chollet, Gerard; Karpouzis, Kostas and Pele, Danielle eds.), Lecture Notes in Artificial Intelligence, Springer, Berlin Heidelberg, pp. 161–174.

DOI: https://doi.org/10.1007/978-3-540-74997-4_16

URL: http://www.springerlink.com/content/p6265q6h813120...


The Text2Dialogue (T2D) system that we are developing allows digital content creators to generate attractive multi-modal dialogues presented by two virtual agents–by simply providing textual information as input. We use Rhetorical Structure Theory (RST) to decompose text into segments and to identify rhetorical discourse relations between them. These are then 'acted out' by two 3D agents using synthetic speech and appropriate conversational gestures. In this paper, we present version 1.0 of the T2D system and focus on the novel technique that it uses for mapping rhetorical relations to question–answer pairs, thus transforming (monological) text into a form that supports dialogues between virtual agents.

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