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FOIKS
2004
Springer
16 years 3 days ago
Equivalence of OLAP Dimension Schemas
Abstract. Dimension schemas are abstract models of the data hierarchies that populate OLAP warehouses. Although there is abundant work on schema equivalence in a variety of data mo...
Carlos A. Hurtado, Claudio Gutiérrez
167
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WIA
2004
Springer
16 years 1 days ago
Testability of Oracle Automata
d abstract) Gaoyan Xie, Cheng Li, and Zhe Dang   School of Electrical Engineering and Computer Science Washington State University Pullman, WA 99164, USA Abstract. In this paper, ...
Gaoyan Xie, Cheng Li, Zhe Dang
BMVC
2002
15 years 9 months ago
Estimating Lighting Direction and Classifying Textures
The appearance of a rough surface is affected by the direction from which it is lit and texture classifiers should account for this. We propose a classifier that is robust to ligh...
Mike J. Chantler, Ged McGunnigle, A. Penirschke, M...
FLAIRS
2008
15 years 9 months ago
Selecting Minority Examples from Misclassified Data for Over-Sampling
We introduce a method to deal with the problem of learning from imbalanced data sets, where examples of one class significantly outnumber examples of other classes. Our method sel...
Jorge de la Calleja, Olac Fuentes, Jesús Go...
ADBIS
2008
Springer
117views Database» more  ADBIS 2008»
15 years 8 months ago
Reclassification of Linearly Classified Data Using Constraint Databases
In many problems the raw data is already classified according to a variety of features using some linear classification algorithm but needs to be reclassified. We introduce a novel...
Peter Z. Revesz, Thomas Triplet