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» A Value Theory of Meta-Learning Algorithms
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98
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RSFDGRC
1999
Springer
194views Data Mining» more  RSFDGRC 1999»
15 years 1 months ago
A Closest Fit Approach to Missing Attribute VAlues in Preterm Birth Data
: In real-life data, in general, many attribute values are missing. Therefore, rule induction requires preprocessing, where missing attribute values are replaced by appropriate val...
Jerzy W. Grzymala-Busse, Witold J. Grzymala-Busse,...
ISCI
2008
93views more  ISCI 2008»
14 years 9 months ago
Safety, domain independence and translation of complex value database queries
This paper considers the theory of database queries on the complex value data model with external functions. Motivated by concerns regarding query evaluation, we first identify re...
Hong-Cheu Liu, Jeffrey Xu Yu, Weifa Liang
78
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DISOPT
2008
81views more  DISOPT 2008»
14 years 9 months ago
Intermediate integer programming representations using value disjunctions
We introduce a general technique to create an extended formulation of a mixed-integer program. We classify the integer variables into blocks, each of which generates a finite set ...
Matthias Köppe, Quentin Louveaux, Robert Weis...
GISCIENCE
2010
Springer
212views GIS» more  GISCIENCE 2010»
14 years 10 months ago
Qualitative Change to 3-Valued Regions
Regions which evolve over time are a significant aspect of many phenomena in geographic information science. Examples include areas in which a measured value (e.g. temperature, sal...
Matt Duckham, John G. Stell, Maria Vasardani, Mich...
IDEAS
2008
IEEE
105views Database» more  IDEAS 2008»
15 years 4 months ago
Pruning attribute values from data cubes with diamond dicing
Data stored in a data warehouse are inherently multidimensional, but most data-pruning techniques (such as iceberg and top-k queries) are unidimensional. However, analysts need to...
Hazel Webb, Owen Kaser, Daniel Lemire