| A modification of Warshall's algorithm for the transitive closure of binary relations |
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Communications of the ACM
archive
Volume 18 , Issue 4 (April 1975)
table of contents
Pages: 218 - 220
Year of Publication: 1975
ISSN:0001-0782
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Downloads (6 Weeks): 20, Downloads (12 Months): 121, Citation Count: 18
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ABSTRACT
An algorithm is given for computing the transitive closure of a binary relation that is represented by a Boolean matrix. The algorithm is similar to Warshall's although it executes faster for sparse matrices on most computers, particularly in a paging environment.
REFERENCES
Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.
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Martynyuk, V.V. Economic construction of transitive closure of binary relations. Zhurnal Vychisliteh2oi Matematiki i Matematicheskoi Fiziki 2 (July-Aug. 1962), 723-725.
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Thorelli, Lars-Erik. An algorithm for computing all paths in a graph. BIT 6 (1966), 347-349.
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Purdom, Paul, Jr. A transitive closure algorithm. BIT 10 (1970), 76-94.
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