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VLDB
1997
ACM
97views Database» more  VLDB 1997»
15 years 10 months ago
The Complexity of Transformation-Based Join Enumeration
Query optimizers that explore a search space exhaustively using transformation rules usually apply all possible rules on each alternative, and stop when no new information is prod...
Arjan Pellenkoft, César A. Galindo-Legaria,...
BMCBI
2010
102views more  BMCBI 2010»
15 years 6 months ago
SAMPLEX: Automatic mapping of perturbed and unperturbed regions of proteins and complexes
Background: The activity of proteins within the cell is characterized by their motions, flexibility, interactions or even the particularly intriguing case of partially unfolded st...
Mickaël Krzeminski, Karine Loth, Rolf Boelens...
CORR
2008
Springer
127views Education» more  CORR 2008»
15 years 6 months ago
Theory of Rumour Spreading in Complex Social Networks
We introduce a general stochastic model for the spread of rumours, and derive mean-field equations that describe the dynamics of the model on complex social networks (in particula...
Maziar Nekovee, Yamir Moreno, G. Bianconi, M. Mars...
CSR
2008
Springer
15 years 6 months ago
Colouring, constraint satisfaction, and complexity
Constraint satisfaction problems have enjoyed much attention since the early seventies, and in the last decade have become also a focus of attention amongst theoreticians. Graph c...
Pavol Hell, Jaroslav Nesetril
BMCBI
2006
150views more  BMCBI 2006»
15 years 6 months ago
CGAT: a comparative genome analysis tool for visualizing alignments in the analysis of complex evolutionary changes between clos
Background: The recent accumulation of closely related genomic sequences provides a valuable resource for the elucidation of the evolutionary histories of various organisms. Howev...
Ikuo Uchiyama, Toshio Higuchi, Ichizo Kobayashi