Abstract
Suffix array is a data structure that can be used to index a large text file so that queries of its content can be answered quickly. Basically a suffix array is an array of all suffixes of the text in the lexicographic order. Whether or not a word occurs in the text can be answered in logarithmic time by binary search over the suffix array. In this work we present a method to compress a suffix array such that the search time remains logarithmic. Our experiments show that in some cases a suffix array can be compressed by our method such that the total space requirement is about half of the original.
A work supported by the Academy of Finland under grants 44449 and 22584.
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Mäkinen, V. (2000). Compact Suffix Array. In: Giancarlo, R., Sankoff, D. (eds) Combinatorial Pattern Matching. CPM 2000. Lecture Notes in Computer Science, vol 1848. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45123-4_26
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DOI: https://doi.org/10.1007/3-540-45123-4_26
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