Why do speakers mix perspectives?
Spatial Cognition and Computation
Spatial Cognition, An Interdisciplinary Approach to Representing and Processing Spatial Knowledge
Tiered Models of Spatial Language Interpretation
Proceedings of the international conference on Spatial Cognition VI: Learning, Reasoning, and Talking about Space
Tiered Models of Spatial Language Interpretation
Proceedings of the international conference on Spatial Cognition VI: Learning, Reasoning, and Talking about Space
Route instructions in map-based human-human and human-computer dialogue: A comparative analysis
Journal of Visual Languages and Computing
The impact of dimensionality on natural language route directions in unconstrained dialogue
SIGDIAL '10 Proceedings of the 11th Annual Meeting of the Special Interest Group on Discourse and Dialogue
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Previous research has shown variability in spatial perspective and the occurrence of perspective shifts to be common in monologic descriptions of spatial relationships, and in route directions, in particular. Little is known, however, about preferences and the dynamics of use of route vs. survey perspectives as well as perspective shifts in dialogue. These were the issues we addressed in a study of dialogic interaction where one participant instructed the other on how to navigate a wheelchair avatar in a shared environment towards a goal. Although there was no clear preference for one of the two perspectives overall, dialogues tended to evolve from an early incremental, local, ego-based strategy towards a later more holistic, global, and environment-oriented strategy in utterance production. Perspective mixing was also observed for a number of reasons, including the relative difficulty of spatial situations and changes across them, navigation errors by the interlocutor, and verbal reactions by the interlocutor.