By Wolfgang Wahlster
With contributions through major scientists within the box, this ebook offers the 1st finished evaluate of the result of the seminal SmartKom venture – essentially the most complicated multimodal discussion platforms around the world.
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Additional info for SmartKom: Foundations of Multimodal Dialogue Systems (Cognitive Technologies)
A potential reference object for the deictic gesture (the movie title “Enemy of the State”) has been found in the visual context. S MART KOM assumes that the discourse topic relates to an electronic program guide and the intended action of Smartakus refers to the retrieval of information about a particular broadcast. 16 Wolfgang Wahlster 8 Plan-Based Modality Fission in SmartKom In S MART KOM, modality ﬁssion is controlled by a presentation planner. The input to the presentation planner is a presentation goal encoded in M3L as a modality-free representation of the system’s intended communicative act.
In the next section, we ﬁrst present the dialogue descriptions we use to deﬁne and document the basic interactions in S MART KOM as well as the illustrative dialogue protocols that can be generated automatically from the extensive log data resulting from a system run. Then we walk through an original sample dialogue between a test user and the system prototype to provide an insight into the capabilities of the S MART KOM demonstrator. A presentation on paper, of course, can only provide a rough sketch of a multimodal interaction.
4. Smartakus: [displays a TV listing] Here [points to the listing] is a listing of tonight’s TV broadcasts (see Fig. 10). 5. User: Please tape the third one! 9 A Three-Tiered Multimodal Discourse Model Discourse models for spoken dialogue systems store information about previously mentioned discourse referents for reference resolution. However, in a multimodal dialogue system like S MART KOM, reference resolution relies not only on verbalized, but also on visualized information. A multimodal discourse model must account for entities not explicitly mentioned (but understood) in a discourse, by exploiting the verbal, the visual and the conceptual context.