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2008

Reasoning with Conditional Time-Intervals

10 years 6 months ago
Reasoning with Conditional Time-Intervals
Reasoning with conditional time-intervals representing activities or tasks that may or may not be executed in the final schedule is crucial in many scheduling applications. In Constraint-Based Scheduling, those problems are usually handled by defining new global constraints over classical integer variables. The approach described in this paper takes a different perspective by introducing a new type of variable (namely a time-interval variable) that intrinsically embeds the notion of conditionality. This dual perspective facilitates the modelling process while ensuring a strong constraint propagation and an efficient search in the engine. The approach forms the foundations of the new generation of scheduling model and algorithms provided in ILOG CP Optimizer.
Philippe Laborie, Jerome Rogerie
Added 02 Oct 2010
Updated 02 Oct 2010
Type Conference
Year 2008
Where FLAIRS
Authors Philippe Laborie, Jerome Rogerie
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