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Linear Suffix Array Construction by Almost Pure Induced-Sorting

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3 Author(s)
Ge Nong ; Comput. Sci. Dept., Sun Yat-Sen Univ., Guangzhou ; Sen Zhang ; Wai Hong Chan

We present a linear time and space suffix array (SA) construction algorithm called the SA-IS algorithm.The SA-IS algorithm is novel because of the LMS-substrings used for the problem reduction and the pure induced-sorting (specially coined for this algorithm)used to propagate the order of suffixes as well as that of LMS-substrings, which makes the algorithm almost purely relying on induced sorting at both its crucial steps.The pure induced-sorting renders the algorithm an elegant design and in turn a surprisingly compact implementation which consists of less than 100 lines of C code.The experimental results demonstrate that this newly proposed algorithm yields noticeably better time and space efficiencies than all the currently published linear time algorithms for SA construction.

Published in:

Data Compression Conference, 2009. DCC '09.

Date of Conference:

16-18 March 2009