Limits and Possibilities of BDDs in State Space Search

  • Authors:
  • Stefan Edelkamp;Peter Kissmann

  • Affiliations:
  • Faculty of Computer Science, TU Dortmund, Germany;Faculty of Computer Science, TU Dortmund, Germany

  • Venue:
  • KI '08 Proceedings of the 31st annual German conference on Advances in Artificial Intelligence
  • Year:
  • 2008

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Abstract

This paper investigates the impact of symbolic search for solving domain-independent action planning problems with binary decision diagrams (BDDs). Polynomial upper and exponential lower bounds on the number of BDD nodes for characteristic benchmark problems are derived and validated. In order to optimize the variable ordering, causal graph dependencies are exploited.