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Analytical Results on the BFS vs. DFS Algorithm Selection Problem: Part II: Graph Search

  • Tom Everitt
  • Marcus Hutter
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9457)

Abstract

The algorithm selection problem asks to select the best algorithm for a given problem. In the companion paper (Everitt and Hutter 2015b), expected runtime was approximated as a function of search depth and probabilistic goal distribution for tree search versions of breadth-first search (BFS) and depth-first search (DFS). Here we provide an analogous analysis of BFS and DFS graph search, deriving expected runtime as a function of graph structure and goal distribution. The applicability of the method is demonstrated through analysis of two different grammar problems. The approximations come surprisingly close to empirical reality.

Notes

Acknowledgements

Thanks to David Johnston for proof reading final drafts of both papers.

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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  1. 1.Australian National UniversityCanberraAustralia

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