AAAI Publications, Twenty-Second International FLAIRS Conference

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Extending the Cardinal Direction Calculus to a Temporal Dimension
Jedrzej Osinski

Last modified: 2009-03-23


Qualitative techniques for spatial reasoning are important in artificial intelligence. We present an extended cardinal direction calculus (XCDC) for spatio-temporal event representation and reasoning. The methods presented in this paper can be used in systems based on natural language processing which are also discussed in this paper.

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