In which of the following does a Directed Acyclic Word Graph finds its application in?

In which of the following does a Directed Acyclic Word Graph finds its application in? Correct Answer String Matching

A Directed Acyclic Word Graph is similar to suffix tree, it can be viewed as a Deterministic Finite Automata.

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In which of the following case does a Propositional Directed Acyclic Graph is used for?
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