Spatial Strategies in Human-Robot Communication

نویسندگان

  • Thora Tenbrink
  • Kerstin Fischer
  • Reinhard Moratz
چکیده

This paper deals with various kinds of mental representations available for linguistic instruction in spatial humanrobot interaction. After a survey of the literature on spatial representations in humans, focussing on dialogical interaction, we present a linguistic-pragmatic method for the analysis of spatial human-robot interaction. This method allows us to gain insights concerning the discourse strategies speakers employ, reflecting the underlying spatial representations in the reference systems employed. Furthermore, the users’ hypotheses about the robot’s functionalities are reflected in the succession of commands they try out in cases of failure. We describe an experiment involving human users and a robot that was designed on the basis of previous research on human spatial representations, and present new insights regarding both conceptual and spatial representational variation. 1 Mental Representations of Space and Discourse Strategies How do human users communicate linguistically with robots about spatial configurations? The main difficulty in answering this question lies in the fact that most humans are, up to now, not used to talking to robots at all. While there is some evidence on how people deal with automatic dialogue systems (such as those employed for information services), we do not know much about people’s strategies in talking to a robot in tasks involving a spatial environment. One reason for this is that most modern robots developed so far are not designed for linguistic communication. However, many kinds of contexts of human-robot interaction involve spatial configurations, such as the cooperative solving of spatial tasks. One very simple task of this kind is a scenario in which a robot is instructed to move towards a certain object. To indicate which object is meant, the instructor specifies its location. If such tasks are to be solved via linguistic communication, the question becomes crucial in which ways mental representations of space are used as resources for discourse strategies in the interaction between humans, robots, and the situative context. Previous research in various areas provides us with useful insights as to what kinds of mental representations we should be prepared to deal with. In the wider field of cognitive psychology, one prominent area of research deals with spatial reasoning. In this area, one central question is what kinds of strategies humans employ when confronted with a difficult spatial problem, and what kinds

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عنوان ژورنال:
  • KI

دوره 16  شماره 

صفحات  -

تاریخ انتشار 2002