Direct construction of compact Directed Acyclic Word Graphs

Abstract : The Directed Acyclic Word Graph (DAWG) is an efficient data structure to treat and analyze repetitions in a text, especially in DNA genomic sequences. Here, we consider the Compact Directed Acyclic Word Graph of a word. We give the first direct algorithm to construct it. It runs in time linear in the length of the string on a fixed alphabet. Our implementation requires half the memory space used by DAWGs.
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Maxime Crochemore, Renaud Vérin. Direct construction of compact Directed Acyclic Word Graphs. Combinatorial Pattern Matching (Aarhus, 1997), 1997, France. pp.116-129. ⟨hal-00620006⟩

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