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ENTCS
2008
66views more  ENTCS 2008»
15 years 4 months ago
Measuring and Evaluating Parallel State-Space Exploration Algorithms
We argue in this paper that benchmarking should be complemented by direct measurement of parallelisation overheads when evaluating parallel state-space exploration algorithms. Thi...
Jonathan Ezekiel, Gerald Lüttgen
BMCBI
2006
127views more  BMCBI 2006»
15 years 4 months ago
Exploring supervised and unsupervised methods to detect topics in biomedical text
Background: Topic detection is a task that automatically identifies topics (e.g., "biochemistry" and "protein structure") in scientific articles based on infor...
Minsuk Lee, Weiqing Wang, Hong Yu
COMBINATORICA
2006
69views more  COMBINATORICA 2006»
15 years 4 months ago
Distance Sequences In Locally Infinite Vertex-Transitive Digraphs
We prove that the out-distance sequence {f+ (k)} of a vertex-transitive digraph of finite or infinite degree satisfies f+ (k + 1) f+ (k)2 for k 1, where f+ (k) denotes the numbe...
Wesley Pegden
CORR
2006
Springer
66views Education» more  CORR 2006»
15 years 4 months ago
Coding into a source: a direct inverse Rate-Distortion theorem
Shannon proved that if we can transmit bits reliably at rates larger than the rate distortion function R(D), then we can transmit this source to within a distortion D. We answer th...
Mukul Agarwal, Anant Sahai, Sanjoy K. Mitter
EJC
2006
15 years 4 months ago
Hamiltonicity of digraphs for universal cycles of permutations
The digraphs P(n, k) have vertices corresponding to length k permutations of an n set and arcs corresponding to (k + 1) permutations. Answering a question of Starling, Klerlein, K...
Garth Isaak