(1 + ε)-approximate sparse recovery
Eric Price, David P. Woodruff
FOCS 2011
For a pair of strings (S1, S2), define the suffix-prefix match of (S1, S2) to be the longest suffix of string S1 that matches a prefix of string S2. The following problem is considered in this paper. Given a collection of strings S1, S2,...,Sk of total length m, find the suffix-prefix match for each of the k(k - 1) ordered pairs of strings. We present an algorithm that solves the problem in O(m + k2) time, for any fixed alphabet. Since the size of the input is Ω(m) and the size of the output is Ω(k2) this solution is optimal. © 1992.
Eric Price, David P. Woodruff
FOCS 2011
Hang-Yip Liu, Steffen Schulze, et al.
Proceedings of SPIE - The International Society for Optical Engineering
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I-SPAN 2002
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ITA Conference 2007