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ALIFE
2005
14 years 11 months ago
Evolution of DNA Uptake Signal Sequences
The DNA of some naturally competent species of bacteria contains a large number of evenly distributed copies of a short sequence. This highly overrepresented sequence is believed t...
Dominique Chu, Hoong-Chien Lee, Tom Lenaerts
SYNTHESE
2008
90views more  SYNTHESE 2008»
14 years 11 months ago
The modular structure of physical theories
Anyadvancedtheoryofphysicscontainsmodulesdefinedasessentialcomponents that are themselves theories with different domains of application. Different kinds of modules can be distingu...
Olivier Darrigol
JCT
2007
110views more  JCT 2007»
14 years 11 months ago
Bijective counting of Kreweras walks and loopless triangulations
Abstract. We consider lattice walks in the plane starting at the origin, remaining in the first quadrant i, j ≥ 0 and made of West, South and North-East steps. In 1965, Germain ...
Olivier Bernardi
ANNALS
2004
56views more  ANNALS 2004»
14 years 11 months ago
Computer Sciences at Purdue University-1962 to 2000
Purdue University established the first academic department of computer sciences in 1962. The events, starting in 1959, leading to its establishment are chronicled, and then its f...
John R. Rice, Saul Rosen
DATAMINE
1999
113views more  DATAMINE 1999»
14 years 11 months ago
A Fast Parallel Clustering Algorithm for Large Spatial Databases
The clustering algorithm DBSCAN relies on a density-based notion of clusters and is designed to discover clusters of arbitrary shape as well as to distinguish noise. In this paper,...
Xiaowei Xu, Jochen Jäger, Hans-Peter Kriegel