Sciweavers

605 search results - page 23 / 121
» Normalizers and Split Extensions
Sort
View
IDEAS
2006
IEEE
109views Database» more  IDEAS 2006»
15 years 5 months ago
Multi-dimensional Histograms with Tight Bounds for the Error
Histograms are being used as non-parametric selectivity estimators for one-dimensional data. For highdimensional data it is common to either compute onedimensional histograms for ...
Linas Baltrunas, Arturas Mazeika, Michael H. B&oum...
AI
2004
Springer
15 years 4 months ago
Spatio-temporal Reasoning for Vague Regions
Abstract. This paper extends a mereotopological theory of spatiotemporal reasoning to vague ”egg-yolk” regions. In this extension, the egg and its yolk are allowed to move and ...
Zina M. Ibrahim, Ahmed Y. Tawfik
81
Voted
ADCM
2007
84views more  ADCM 2007»
14 years 11 months ago
A non-linear circle-preserving subdivision scheme
We describe a new method for constructing a sequence of refined polygons, which starts with a sequence of points and associated normals. The newly generated points are sampled fr...
Pavel Chalmovianský, Bert Jüttler
85
Voted
ECML
2003
Springer
15 years 4 months ago
Improving the AUC of Probabilistic Estimation Trees
Abstract. In this work we investigate several issues in order to improve the performance of probabilistic estimation trees (PETs). First, we derive a new probability smoothing that...
César Ferri, Peter A. Flach, José He...
101
Voted
VLDB
1997
ACM
170views Database» more  VLDB 1997»
15 years 2 months ago
M-tree: An Efficient Access Method for Similarity Search in Metric Spaces
A new access method, called M-tree, is proposed to organize and search large data sets from a generic "metric space", i.e. where object proximity is only defined by a di...
Paolo Ciaccia, Marco Patella, Pavel Zezula