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DATESO
2007
100views Database» more  DATESO 2007»
15 years 6 months ago
Syllable-Based Burrows-Wheeler Transform
The Burrows-Wheeler Transform (BWT) is a compression method which reorders an input string into the form, which is preferable to another compression. Usually Move-To-Front transfor...
Jan Lansky, Katsiaryna Chernik, Zuzana Vlckova
CPM
2000
Springer
175views Combinatorics» more  CPM 2000»
15 years 9 months ago
Approximate String Matching over Ziv-Lempel Compressed Text
Abstract. We present a solution to the problem of performing approximate pattern matching on compressed text. The format we choose is the Ziv-Lempel family, speci cally the LZ78 an...
Juha Kärkkäinen, Gonzalo Navarro, Esko U...
MFCS
2005
Springer
15 years 10 months ago
Explicit Inapproximability Bounds for the Shortest Superstring Problem
Abstract. Given a set of strings S = {s1, . . . , sn}, the Shortest Superstring problem asks for the shortest string s which contains each si as a substring. We consider two measur...
Virginia Vassilevska
PODS
2008
ACM
113views Database» more  PODS 2008»
16 years 5 months ago
On searching compressed string collections cache-obliviously
Paolo Ferragina, Roberto Grossi, Ankur Gupta, Rahu...