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» Design methods as discourse on practice
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AI
2009
Springer
14 years 2 months ago
Cost-Based Sampling of Individual Instances
In many practical domains, misclassification costs can differ greatly and may be represented by class ratios, however, most learning algorithms struggle with skewed class distrib...
William Klement, Peter A. Flach, Nathalie Japkowic...
CIKM
2009
Springer
14 years 2 months ago
Group-by skyline query processing in relational engines
The skyline operator was first proposed in 2001 for retrieving interesting tuples from a dataset. Since then, 100+ skyline-related papers have been published; however, we discove...
Ming-Hay Luk, Man Lung Yiu, Eric Lo
FM
2009
Springer
155views Formal Methods» more  FM 2009»
14 years 2 months ago
Towards an Operational Semantics for Alloy
Abstract. The Alloy modeling language has a mathematically rigorous denotational semantics based on relational algebra. Alloy specifications often represent operations on a state,...
Theophilos Giannakopoulos, Daniel J. Dougherty, Ka...
GECCO
2009
Springer
113views Optimization» more  GECCO 2009»
14 years 2 months ago
Environmental robustness in multi-agent teams
Evolution has proven to be an effective method of training heterogeneous multi-agent teams of autonomous agents to explore unknown environments. Autonomous, heterogeneous agents ...
Terence Soule, Robert B. Heckendorn
CISS
2008
IEEE
14 years 2 months ago
A low complexity linear multiuser MIMO beamforming system with limited feedback
—In this paper, we propose a low complexity linear multiuser beamforming system for the multiple-input multipleoutput (MIMO) broadcast channel. We consider the specific case of ...
Chan-Byoung Chae, David Mazzarese, Nihar Jindal, R...