Parallel Branch-and-Bound Formulations for AND/OR Tree Search

Laveen N. Kanal, Vipin Kumar

Research output: Contribution to journalArticlepeer-review

44 Scopus citations


This paper discusses two general schemes for performing branch-and-bound (B&B) search in parallel. These schemes are applicable in principle to most of the problems which can be solved by B&B. The schemes are implemented for SSS*, a versatile algorithm having applications in game tree search, structural pattern analysis, and AND/OR graph search. The performance of parallel SSS* is studied in the context of AND/OR tree and game tree search. The paper concludes with comments on potential applications of these parallel implementations of SSS* in structural pattern analysis and game playing.

Original languageEnglish (US)
Pages (from-to)768-778
Number of pages11
JournalIEEE Transactions on Pattern Analysis and Machine Intelligence
Issue number6
StatePublished - Nov 1984


  • AND/OR graphs
  • branch-and-bound
  • game trees
  • minimax search
  • parallel algorithms


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