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GECCO
2010
Springer
160views Optimization» more  GECCO 2010»
14 years 4 months ago
Benchmarking a weighted negative covariance matrix update on the BBOB-2010 noisy testbed
In a companion paper, we presented a weighted negative update of the covariance matrix in the CMA-ES—weighted active CMA-ES or, in short, aCMA-ES. In this paper, we benchmark th...
Nikolaus Hansen, Raymond Ros
IDEAS
2005
IEEE
109views Database» more  IDEAS 2005»
14 years 5 months ago
Efficient Relational Joins with Arithmetic Constraints on Multiple Attributes
We introduce and study a new class of queries that we refer to as ACMA (arithmetic constraints on multiple attributes) queries. Such combinatorial queries require the simultaneous...
Chuang Liu, Lingyun Yang, Ian T. Foster