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Incremental generation of spatial referring expressions in situated dialog.

John Kelleher; Geert-Jan Kruijff
In: Proceedings of ACL/COLING 2006. International Conference on Computational Linguistics (COLING-2006), located at International Committee on Computational Linguistics and the Association for Computational Linguistics, July 17-21, Sydney, Australia, ACL, 2006.


This paper presents an approach to incrementally generating locative expressions. It addresses the is- sue of combinatorial explosion inherent in the con- struction of relational context models by: (a) con- textually defining the set of objects in the context that may function as a landmark, and (b) sequenc- ing the order in which spatial relations are consid- ered using a cognitively motivated hierarchy of re- lations, and visual and discourse salience.