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» Algorithms on Compressed Strings and Arrays
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SIGMOD
2001
ACM
124views Database» more  SIGMOD 2001»
15 years 9 months ago
Query Optimization In Compressed Database Systems
Over the last decades, improvements in CPU speed have outpaced improvements in main memory and disk access rates by orders of magnitude, enabling the use of data compression techn...
Zhiyuan Chen, Johannes Gehrke, Flip Korn
CPM
2001
Springer
111views Combinatorics» more  CPM 2001»
15 years 2 months ago
Multiple Pattern Matching Algorithms on Collage System
Abstract. Compressed pattern matching is one of the most active topics in string matching. The goal is to find all occurrences of a pattern in a compressed text without decompress...
Takuya Kida, Tetsuya Matsumoto, Masayuki Takeda, A...
75
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ICARIS
2009
Springer
15 years 1 months ago
Efficient Algorithms for String-Based Negative Selection
Abstract. String-based negative selection is an immune-inspired classification scheme: Given a self-set S of strings, generate a set D of detectors that do not match any element of...
Michael Elberfeld, Johannes Textor
ESA
2009
Springer
143views Algorithms» more  ESA 2009»
15 years 4 months ago
On Optimally Partitioning a Text to Improve Its Compression
In this paper we investigate the problem of partitioning an input string T in such a way that compressing individually its parts via a basecompressor C gets a compressed output th...
Paolo Ferragina, Igor Nitto, Rossano Venturini
SCCC
2002
IEEE
15 years 2 months ago
Improved Antidictionary Based Compression
The compression of binary texts using antidictionaries is a novel technique based on the fact that some substrings (called “antifactors”) never appear in the text. Let × be a...
Maxime Crochemore, Gonzalo Navarro