95 search results - page 2 / 19 » Structure Size Enhanced Histogram |
EDBT
2002
ACM
14 years 5 months ago
2002
ACM
Abstract. Estimating the sizes of query results, and intermediate results, is crucial to many aspects of query processing. In particular, it is necessary for effective query optimi...
SSDBM
2006
IEEE
13 years 11 months ago
2006
IEEE
With the recent progress of spatial information technologies and communication technologies, it has become easier to track positions of a large number of moving objects in real-ti...
ICIP
2008
IEEE
14 years 7 months ago
2008
IEEE
Subspace learning techniques are widespread in pattern recognition research. They include PCA, ICA, LPP, etc. These techniques are generally linear and unsupervised. The problem o...
ICDE
2007
IEEE
14 years 6 months ago
2007
IEEE
We introduce the Haar+ tree: a refined, wavelet-inspired data structure for synopsis construction. The advantages of this structure are twofold: First, it achieves higher synopsis...
ICDE
2009
IEEE
14 years 7 months ago
2009
IEEE
Abstract-- Particle simulation has become an important research tool in many scientific and engineering fields. Data generated by such simulations impose great challenges to databa...