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A Petri net model for temporal knowledge representation and reasoning

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1 Author(s)
Yao, Y. ; Dept. of Comput. Sci., Columbia Univ., New York, NY, USA

This paper presents a general model based on timed Petri net, capable of handling both qualitative and quantitative temporal information. Both metric relations between time points and qualitative relations between time interval can be encoded in a model. This model also allows the representation of higher-order expression and repeated activities which constitute a large part of the normal schedule. In addition, graphical representation of a timed Petri net gives a straightforward view of relations between temporal objects

Published in:

Systems, Man and Cybernetics, IEEE Transactions on  (Volume:24 ,  Issue: 9 )

Date of Publication:

Sep 1994

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