Definition: (no definition here, yet, but you can help.)

Also known as ordered binary decision diagram.

See also BDD, reduced ordered binary decision diagram.

Note: OBDD referred to as Oblivious ... by Lance Fortnow, Review of Branching Programs and Binary Decision Diagrams: Theory and Applications, SIGACT News, 33(1):7, March 2002.

More information

Symbolic Boolean manipulation with ordered binary-decision diagrams.

Randal E. Bryant, Graph-based algorithms for Boolean function manipulation, IEEE Transactions on Computers, 35(8):677-691, August 1986.

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Entry modified 12 June 2006.
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Cite this as:
"OBDD", in Dictionary of Algorithms and Data Structures [online], Vreda Pieterse and Paul E. Black, eds. 12 June 2006. (accessed TODAY) Available from: