2019 IJCAI-JAIR Prize Awarded
We congratulate Marijn Heule, Matti Järvisalo, Florian Lonsing, Martina Seidl and Armin Biere who have been awarded the 2019 IJCAI-JAIR prize for their paper "Clause Elimination for SAT and QSAT", which appeared in Volume 53 (2015).
As noted in the award citation, this paper describes fundamental and practical results on a range of clause elimination procedures as preprocessing and simplification techniques for SAT and QBF solvers. Since its publication, the techniques described therein have been demonstrated to have profound impact on the efficiency of state-of-the-art SAT and QBF solvers. The work is elegant and extends beautifully some well-established theoretical concepts. In addition, the paper gives new emphasis and impulse to pre- and in-processing techniques - an emphasis that resonates beyond the two key problems, SAT and QBF, covered by the authors.
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And on this topic, we also want to thank David Smith for his financial contributions to the organization, as well as IJCAI, InferLink Corporation and the University of Michigan for their ongoing support for JAIR's infrastructure. These gifts make it possible for JAIR to continue operating a freely-available journal.