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» New length bounds for cycle bases
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CC
2008
Springer
131views System Software» more  CC 2008»
14 years 9 months ago
Exposure-Resilient Extractors and the Derandomization of Probabilistic Sublinear Time
There exists a positive constant < 1 such that for any function T(n) n and for any problem L BPTIME(T(n)), there exists a deterministic algorithm running in poly(T(n)) time w...
Marius Zimand
JCSS
2010
190views more  JCSS 2010»
14 years 8 months ago
Pattern matching with don't cares and few errors
We present solutions for the k-mismatch pattern matching problem with don’t cares. Given a text t of length n and a pattern p of length m with don’t care symbols and a bound k...
Raphaël Clifford, Klim Efremenko, Ely Porat, ...
ANCS
2009
ACM
14 years 7 months ago
Range Tries for scalable address lookup
In this paper we introduce the Range Trie, a new multiway tree data structure for address lookup. Each Range Trie node maps to an address range [Na, Nb) and performs multiple comp...
Ioannis Sourdis, Georgios Stefanakis, Ruben de Sme...
ICDE
2006
IEEE
188views Database» more  ICDE 2006»
15 years 11 months ago
Efficiently Evaluating Order Preserving Similarity Queries over Historical Market-Basket Data
We introduce a new domain-independent framework for formulating and efficiently evaluating similarity queries over historical data, where given a history as a sequence of timestam...
Reza Sherkat, Davood Rafiei
SOFSEM
2010
Springer
15 years 6 months ago
Fast Arc-Annotated Subsequence Matching in Linear Space
An arc-annotated string is a string of characters, called bases, augmented with a set of pairs, called arcs, each connecting two bases. Given arc-annotated strings P and Q the arc-...
Philip Bille, Inge Li Gørtz