Quentin Cohen-Solal

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In this paper, we propose a qualitative formalism for representing and reasoning about time at different scales. It extends the algebra of Euzenat [2001] and overcomes its major limitations, allowing one to reason about relations between points and intervals. Our approach is more expressive than the other algebras of temporal relations: for instance, some(More)
The aim of this paper is to gather several new results concerning the enumeration of specific classes of polycubes. We first consider two classes of 3-dimensional vertically-convex directed polycubes: the plateau polycubes and the parallelogram polycubes. An expression of the generating function is provided for the former class, as well as an asymptotic(More)
Relying on the recently introduced multi-algebras, we present a general approach for reasoning about temporal sequences of qualitative information that is generally more efficient than existing techniques. Applying our approach to the specific case of sequences of topological information about constantsize regions, we show that the resulting formalism has a(More)
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