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Linear approximation of shortest superstrings

1991
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Proceedings of the twenty-third annual ACM symposium on Theory of computing - STOC '91
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We consider the following problem: given a collection of strings s 1 ; .. .;s m , nd the shortest string s such that each s i appears as a substring (a consecutive block) of s. Although this problem is known to be NP-hard, a simple greedy procedure appears to do quite well and is routinely used in DNA sequencing and data compression practice, namely: repeatedly merge the pair of distinct strings with maximum overlap until only one string remains. Let n denote the length of the optimal

doi:10.1145/103418.103455
dblp:conf/stoc/BlumJLTY91
fatcat:rrhuzscoezfe7o6vh42lte2bvy