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» Rewriting of Regular Expressions and Regular Path Queries
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WEA
2010
Springer
281views Algorithms» more  WEA 2010»
15 years 11 months ago
Distributed Time-Dependent Contraction Hierarchies
Server based route planning in road networks is now powerful enough to find quickest paths in a matter of milliseconds, even if detailed information on time-dependent travel times...
Tim Kieritz, Dennis Luxen, Peter Sanders, Christia...
BMCBI
2002
109views more  BMCBI 2002»
15 years 5 months ago
Kangaroo - A pattern-matching program for biological sequences
Background: Biologists are often interested in performing a simple database search to identify proteins or genes that contain a well-defined sequence pattern. Many databases do no...
Doron Betel, Christopher W. V. Hogue
ICMCS
1999
IEEE
131views Multimedia» more  ICMCS 1999»
15 years 10 months ago
Integrating Web Resources and Lexicons into a Natural Language Query System
The START system responds to natural language queries with answers in text, pictures, and other media. START's sentence-level natural language parsing relies on a number of m...
Boris Katz, Deniz Yuret, Jimmy J. Lin, Sue Felshin...
FROCOS
2007
Springer
16 years 6 days ago
Languages Modulo Normalization
Abstract. We propose a new class of tree automata, called tree automata with normalization (TAN). This framework extends equational tree automata, and improved the results of them:...
Hitoshi Ohsaki, Hiroyuki Seki
PVLDB
2008
123views more  PVLDB 2008»
15 years 5 months ago
Dependable cardinality forecasts for XQuery
Though inevitable for effective cost-based query rewriting, the derivation of meaningful cardinality estimates has remained a notoriously hard problem in the context of XQuery. By...
Jens Teubner, Torsten Grust, Sebastian Maneth, She...