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Conference paper

Improved Approximate String Matching and Regular Expression Matching on Ziv-Lempel Compressed Texts

From

Algorithms and Logic, Department of Informatics and Mathematical Modeling, Technical University of Denmark1

Department of Informatics and Mathematical Modeling, Technical University of Denmark2

We study the approximate string matching and regular expression matching problem for the case when the text to be searched is compressed with the Ziv-Lempel adaptive dictionary compression schemes. We present a time-space trade-off that leads to algorithms improving the previously known complexities for both problems.

In particular, we significantly improve the space bounds. In practical applications the space is likely to be a bottleneck and therefore this is of crucial importance.

Language: English
Publisher: Springer
Year: 2007
Pages: 52-62
Proceedings: 18th Annual Symposium on Combinatorial Pattern Matching
Series: Lecture Notes in Computer Science
ISBN: 3540734368 , 3540734376 , 9783540734369 and 9783540734376
ISSN: 03029743
Types: Conference paper
DOI: 10.1007/978-3-540-73437-6_8
ORCIDs: Gørtz, Inge Li

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