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ICDE
2010
IEEE
233views Database» more  ICDE 2010»
14 years 3 months ago
Polynomial heuristics for query optimization
— Research on query optimization has traditionally focused on exhaustive enumeration of an exponential number of candidate plans. Alternatively, heuristics for query optimization...
Nicolas Bruno, César A. Galindo-Legaria, Mi...
IEEEARES
2010
IEEE
14 years 3 months ago
Heuristics for Detecting Botnet Coordinated Attacks
— This paper studies the analysis on the Cyber Clean Center (CCC) Data Set 2009, consisting of raw packets captured more than 90 independent honeypots, in order for detecting beh...
Kazuya Kuwabara, Hiroaki Kikuchi, Masato Terada, M...
AAAI
2010
13 years 11 months ago
New Mini-Bucket Partitioning Heuristics for Bounding the Probability of Evidence
Mini-Bucket Elimination (MBE) is a well-known approximation algorithm deriving lower and upper bounds on quantities of interest over graphical models. It relies on a procedure tha...
Emma Rollon, Rina Dechter
ICASSP
2010
IEEE
13 years 10 months ago
A nullspace analysis of the nuclear norm heuristic for rank minimization
The problem of minimizing the rank of a matrix subject to linear equality constraints arises in applications in machine learning, dimensionality reduction, and control theory, and...
Krishnamurthy Dvijotham, Maryam Fazel
CCE
2010
13 years 7 months ago
A simple heuristic for reducing the number of scenarios in two-stage stochastic programming
In this work we address the problem of solving multiscenario optimization models that are deterministic equivalents of two-stage stochastic programs. We present a heuristic approx...
Ramkumar Karuppiah, Mariano Martín, Ignacio...