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VLDB
2003
ACM
147views Database» more  VLDB 2003»
14 years 7 months ago
RE-tree: an efficient index structure for regular expressions
Due to their expressive power, Regular Expressions (REs) are quickly becoming an integral part of language specifications for several important application scenarios. Many of thes...
Chee Yong Chan, Minos N. Garofalakis, Rajeev Rasto...
SODA
2010
ACM
213views Algorithms» more  SODA 2010»
14 years 4 months ago
Regular Expression Matching with Multi-Strings
Regular expression matching is a key task (and often computational bottleneck) in a variety of software tools and applications. For instance, the standard grep and sed utilities, ...
Philip Bille, Mikkel Thorup
DLOG
2007
13 years 9 months ago
Inverse Roles Make Conjunctive Queries Hard
Abstract. Conjunctive query answering is an important DL reasoning task. Although this task is by now quite well-understood, tight complexity bounds for conjunctive query answering...
Carsten Lutz
CORR
2009
Springer
99views Education» more  CORR 2009»
13 years 5 months ago
Quotient Complexity of Regular Languages
The past research on the state complexity of operations on regular languages is examined, and a new approach based on an old method (derivatives of regular expressions) is presente...
Janusz A. Brzozowski
ANCS
2007
ACM
13 years 11 months ago
An improved algorithm to accelerate regular expression evaluation
Modern network intrusion detection systems need to perform regular expression matching at line rate in order to detect the occurrence of critical patterns in packet payloads. Whil...
Michela Becchi, Patrick Crowley