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EDBT
2010
ACM
155views Database» more  EDBT 2010»
13 years 8 months ago
Suffix tree construction algorithms on modern hardware
Suffix trees are indexing structures that enhance the performance of numerous string processing algorithms. In this paper, we propose cache-conscious suffix tree construction algo...
Dimitris Tsirogiannis, Nick Koudas
DCC
2007
IEEE
14 years 4 months ago
Simple Linear-Time Off-Line Text Compression by Longest-First Substitution
We consider grammar based text compression with longest first substitution, where non-overlapping occurrences of a longest repeating substring of the input text are replaced by a ...
Ryosuke Nakamura, Hideo Bannai, Shunsuke Inenaga, ...
FOCS
2009
IEEE
13 years 9 months ago
Space-Efficient Framework for Top-k String Retrieval Problems
Given a set D = {d1, d2, ..., dD} of D strings of total length n, our task is to report the "most relevant" strings for a given query pattern P. This involves somewhat mo...
Wing-Kai Hon, Rahul Shah, Jeffrey Scott Vitter
ICDE
2010
IEEE
288views Database» more  ICDE 2010»
14 years 5 months ago
Fast In-Memory XPath Search using Compressed Indexes
A large fraction of an XML document typically consists of text data. The XPath query language allows text search via the equal, contains, and starts-with predicates. Such predicate...
Diego Arroyuelo, Francisco Claude, Sebastian Manet...
IR
2008
13 years 5 months ago
A compressed self-index using a Ziv-Lempel dictionary
A compressed full-text self-index for a text T , of size u, is a data structure used to search for patterns P, of size m, in T , that requires reduced space, i.e. space that depend...
Luís M. S. Russo, Arlindo L. Oliveira