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ICDM
2008
IEEE
110views Data Mining» more  ICDM 2008»
15 years 4 months ago
Start Globally, Optimize Locally, Predict Globally: Improving Performance on Imbalanced Data
Class imbalance is a ubiquitous problem in supervised learning and has gained wide-scale attention in the literature. Perhaps the most prevalent solution is to apply sampling to t...
David A. Cieslak, Nitesh V. Chawla
CEC
2007
IEEE
15 years 4 months ago
Stability analysis of the ant system dynamics with non-uniform pheromone deposition rules
—The paper extends the classical Ant Systems by considering non-uniform deposition by the ants, while constructing pheromone trails. A deterministic solution to the ant system dy...
Ajith Abraham, Amit Konar, Nayan R. Samal, Swagata...
CIE
2007
Springer
15 years 4 months ago
Hierarchies in Fragments of Monadic Strict NP
We expose a strict hierarchy within monotone monadic strict NP without inequalities (MMSNP), based on the number of second-order monadic quantifiers. We do this by studying a fin...
Barnaby Martin, Florent R. Madelaine
CONTEXT
2007
Springer
15 years 4 months ago
Context Modeling: Task Model and Practice Model
Contextual Graphs are a context-based formalism used in various real-world applications. They allow a uniform representation of elements of reasoning and of contexts for describing...
Patrick Brézillon
GECCO
2007
Springer
186views Optimization» more  GECCO 2007»
15 years 4 months ago
Evolving controllers for simulated car racing using object oriented genetic programming
Several different controller representations are compared on a non-trivial problem in simulated car racing, with respect to learning speed and final fitness. The controller rep...
Alexandros Agapitos, Julian Togelius, Simon M. Luc...