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COMBINATORICS
2004
115views more  COMBINATORICS 2004»
13 years 7 months ago
Dense Packings of Equal Spheres in a Cube
We describe an adaptation of the billiard algorithm for finding dense packings of equal spheres inside a domain of the euclidean space. In order to improve the convergence of this...
Thierry Gensane
CORR
2002
Springer
83views Education» more  CORR 2002»
13 years 7 months ago
Optimal Ordered Problem Solver
We introduce a general and in a certain sense time-optimal way of solving one problem after another, efficiently searching the space of programs that compute solution candidates, i...
Jürgen Schmidhuber
DKE
2002
107views more  DKE 2002»
13 years 7 months ago
View selection using randomized search
An important issue in data warehouse development is the selection of a set of views to materialize in order to accelerate OLAP queries, given certain space and maintenance time co...
Panos Kalnis, Nikos Mamoulis, Dimitris Papadias
JECR
2000
167views more  JECR 2000»
13 years 7 months ago
Commercial Scenarios of Digital Agent Deployment: A Functional Classification
The evolution and commercialization of Web Information Systems (WIS) since 1991 has gradually shifted the focus from basic design issues to feedback analysis, visualization techni...
Arno Scharl, Christian Bauer, Marion Kaukal
IJAIT
2002
81views more  IJAIT 2002»
13 years 7 months ago
Guiding Constructive Search with Statistical Instance-Based Learning
Several real world applications involve solving combinatorial optimization problems. Commonly, existing heuristic approaches are designed to address specific difficulties of the u...
Orestis Telelis, Panagiotis Stamatopoulos