Mining-based compression approach of propositional formulae

  • Authors:
  • Said Jabbour;Lakhdar Sais;Yakoub Salhi;Takeaki Uno

  • Affiliations:
  • University of Artois, Lens, France;University of Artois, Lens, France;University of Artois, Lens, France;National Institute of Informatics, Tokyo, Japan

  • Venue:
  • Proceedings of the 22nd ACM international conference on Conference on information & knowledge management
  • Year:
  • 2013

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Abstract

In this paper, we propose a first application of data mining techniques to propositional satisfiability. Our proposed mining based compression approach aims to discover and to exploit hidden structural knowledge for reducing the size of propositional formulae in conjunctive normal form (CNF). It combines both frequent itemset mining techniques and Tseitin's encoding for a compact representation of CNF formulae. The experimental evaluation of our approach shows interesting reductions of the sizes of many application instances taken from the last SAT competitions.