Assertion: algorithm | /r/HasProperty | published by stephen warshall
Facets:
value: in 1962
type: TEMPORAL
value: previously
type: TEMPORAL
value: in 1959
type: TEMPORAL
Source sentences:
text: However, it is essentially the same as algorithms previously published by Bernard Roy in 1959 and also by Stephen Warshall in 1962 for finding the transitive closure of a graph, and is closely related to Kleene's algorithm (published in 1956) for converting a deterministic finite automaton into a regular expression.