Commentz-Walter Algorithm (Multiple String Search String Search)

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Time Complexity

$O(mn)$

Space Complexity

$O(km)$ words

(Derived: Number of states of the automaton that is created)

Description

Automaton-based, constructs a converse state machine from the given patterns

Approximate?

Exact

Randomized?

No, deterministic

Model of Computation

Word RAM

Year

1979

Reference

https://link.springer.com/chapter/10.1007/3-540-09510-1_10