Search for More Declarativity

  • Authors:
  • Simon Brodt;François Bry;Norbert Eisinger

  • Affiliations:
  • Institute for Informatics, University of Munich, München, Germany D-80538;Institute for Informatics, University of Munich, München, Germany D-80538;Institute for Informatics, University of Munich, München, Germany D-80538

  • Venue:
  • RR '09 Proceedings of the 3rd International Conference on Web Reasoning and Rule Systems
  • Year:
  • 2009

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Abstract

Good tree search algorithms are a key requirement for inference engines of rule languages. As Prolog exemplifies, inference engines based on traditional uninformed search methods with their well-known deficiencies are prone to compromise declarativity, the primary concern of rule languages. The paper presents a new family of uninformed search algorithms that combine the advantages of the traditional ones while avoiding their shortcomings. Moreover, the paper introduces a formal framework based on partial orderings, which allows precise and elegant analysis of such algorithms.