A List by Author: Luděk Matyska
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Timetabling with Annotations
One of the peculiarities of university timetabling problems lies in their huge complexity and the easy transition between complex constrained system to an over-constrained one. The Faculty of Informatics timetabling problem represents very complex scheduling and resource allocation problem as individual timetable for every student has to be scheduled with respect to course pre-enrollment informations. Variables` annotations were proposed to define preferences of variables in constraints and they serve as a source for computing variable ordering in optimization problems where the search space is too large to be fully traversed and explored. Annotations suggest a route through this space which leads quickly to at least sub-optimal solutions. Annotations may even help to find preferred solutions first as they instantiate preferred values in the domain of variables as soon as possible.
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