Abstract:MotivationUnderstanding structural properties ofk-mer multisets is crucial to designing space-efficient indices to query them. A potentially novel source of structure can be found in the rank function of ak-mer multiset. In particular, the rank function of ak-mer multiset can be approximated by a piece-wise linear function with very few segments. Such an approximation was shown to speed up suffix array queries and sequence alignment. However, a more comprehensive study of the structure of rank functions ofk-me… Show more
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