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77
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PPAM
2001
Springer
15 years 2 months ago
Dedicated Scheduling of Biprocessor Tasks to Minimize Mean Flow Time
Abstract. This paper investigates the complexity of scheduling biprocessor tasks on dedicated processors to minimize mean flow time. Since the general problem is strongly NP-hard,...
Krzysztof Giaro, Marek Kubale, Michal Malafiejski,...
CPM
2001
Springer
98views Combinatorics» more  CPM 2001»
15 years 2 months ago
Regular Expression Searching over Ziv-Lempel Compressed Text
We present a solution to the problem of regular expression searching on compressed text. The format we choose is the Ziv-Lempel family, speci cally the LZ78 and LZW variants. Give...
Gonzalo Navarro
DEXA
2001
Springer
101views Database» more  DEXA 2001»
15 years 2 months ago
A Popularity-Driven Caching Scheme for Meta-search Engines: An Empirical Study
Caching issues in meta-search engines are considered. We propose a popularity-driven cache algorithm that utilizes both popularities and reference counters of queries to determine ...
Sang Ho Lee, Jin Seon Hong, Larry Kerschberg
96
Voted
WAE
2001
227views Algorithms» more  WAE 2001»
14 years 11 months ago
Compact DFA Representation for Fast Regular Expression Search
We present a new technique to encode a deterministic nite automaton (DFA). Based on the speci c properties of Glushkov's nondeterministic nite automaton (NFA) construction alg...
Gonzalo Navarro, Mathieu Raffinot
STOC
2001
ACM
132views Algorithms» more  STOC 2001»
15 years 10 months ago
Edge isoperimetry and rapid mixing on matroids and geometric Markov chains
We show how to bound the mixing time and log-Sobolev constants of Markov chains by bounding the edge-isoperimetry of their underlying graphs. To do this we use two recent techniqu...
Ravi Montenegro, Jung-Bae Son