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VLDB
1997
ACM
112views Database» more  VLDB 1997»
13 years 11 months ago
Selectivity Estimation Without the Attribute Value Independence Assumption
The result size of a query that involves multiple attributes from the same relation depends on these attributes’ joint data distribution,i.e., the frequencies of all combination...
Viswanath Poosala, Yannis E. Ioannidis
TOOLS
1992
IEEE
13 years 11 months ago
Part Objects and their Location
The notion of location of part objects is introduced, yielding a reference to the containing object. Combined with locally defined objects and classes (block structure), singularl...
Ole Lehrmann Madsen, Birger Møller-Pedersen
ICASSP
2009
IEEE
13 years 11 months ago
A MIMO channel perturbation analysis for robust bit loading
In narrowband multiple-input multiple-output (MIMO) communication systems, when the channel state information (CSI) is known perfectly at the transmitter and the receiver, techniq...
Michael D. Larsen, A. Lee Swindlehurst
WSC
2007
13 years 9 months ago
Agent-model validation based on historical data
Combat, unlike many real-world processes, tends to be singular in nature. That is, there are not multiple occurrences from which to hypothesize a probability distribution model of...
Lance E. Champagne, Raymond R. Hill
ESANN
2003
13 years 8 months ago
Subject Categorization for Web Educational Resources using MLP
Abstract. The purpose of this study is to develop subject categorization methods for educational resources using multilayer perceptron (MLP) and to examine the performance of the t...
Minoru Nakayama, Yasutaka Shimizu