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Constructing Abstract Maps from Spatial Descriptions for Goal-directed Exploration

16 July 2015
Ruth SchulzBen TalbotBen UpcroftGordon Wyeth
Transforming a graph of semantic knowledge into navigational knowledge within the abstract map

This paper describes ongoing work on a system using spatial descriptions to construct abstract maps that can be used for goal-directed exploration in an unfamiliar office environment. Abstract maps contain membership, connectivity, and spatial layout information extracted from symbolic spatial information. In goal-directed exploration, the robot would then link this information with observed symbolic information and its grounded world representation. We demonstrate the ability of the system to extract and represent membership, connectivity, and spatial layout information from spatial descriptions of an office environment. In the planned study, the robot will navigate to the goal location using the abstract map to inform the best direction to explore in.

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