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SIGMOD
2007
ACM
150views Database» more  SIGMOD 2007»
14 years 7 months ago
Exploiting self-monitoring sample views for cardinality estimation
Good cardinality estimates are critical for generating good execution plans during query optimization. Complex predicates, correlations between columns, and user-defined functions...
Jingren Zhou, Per-Åke Larson, Peter Zabback,...
SIGMOD
2007
ACM
170views Database» more  SIGMOD 2007»
14 years 7 months ago
Cardinality estimation using sample views with quality assurance
Accurate cardinality estimation is critically important to high-quality query optimization. It is well known that conventional cardinality estimation based on histograms or simila...
Per-Åke Larson, Wolfgang Lehner, Jingren Zho...
PODS
2003
ACM
142views Database» more  PODS 2003»
14 years 7 months ago
Query containment and rewriting using views for regular path queries under constraints
In this paper we consider general path constraints for semistructured databases. Our general constraints do not suffer from the limitations of the path constraints previously stud...
Gösta Grahne, Alex Thomo
PAMI
1998
145views more  PAMI 1998»
13 years 7 months ago
An Analytic-to-Holistic Approach for Face Recognition Based on a Single Frontal View
—In this paper, we propose an analytic-to-holistic approach which can identify faces at different perspective variations. The database for the test consists of 40 frontal-view fa...
Kin-Man Lam, Hong Yan
DEXAW
2009
IEEE
95views Database» more  DEXAW 2009»
13 years 11 months ago
Collection-Relative Representations: A Unifying View to Retrieval Models
Various retrieval models have been developed and analyzed so far, but less research aims to an integration of the different models within a common framework. This paper introduces ...
Benno Stein, Maik Anderka