Qualitative Spatial Reasoning: Theory and Practice : Application to Robot Navigation

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IOS Press, 1998 - Computers - 210 pages
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With the aim of automatically reasoning with spatial aspects in a cognitive way, several qualitative models have been developed recently in the Qualitative Spatial Reasoning field. However, there is no model to reason with several spatial aspects in a uniform way. Moreover, most of these models simplify spatial objects to points. In this book we present a novel approach for integrating the qualitative concepts of orientation, distance, and cardinal directions, using points as well as extended objects as primitive of reasoning, based on Constraint Logic Programming. The resulting model has been applied to build a qualitative Navigation Simulator on the structured environment of the city of Castellon.
 

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Contents

Introduction I
1
State of the Art in Qualitative Spatial Reasoning
17
Distance
28
Bases for the Integration of several Temporal Aspects in the Temporal
47
Qualitative Spatial Orientation
67
Integrating Qualitative Spatial Orientation and Distance
89
Cardinal Directions and Qualitative Fixed Orientation
119
A New Model for Dealing with Points and Extended Objects
131
A Qualitative Navigation Simulator tQNavSiml in a Structured
145
Conclusions and Future Work
177
References
183
The Explicit l5xl5 Composition Table for Orientation
197
The CS for Qualitative Positional Information
203
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