118 search results - page 18 / 24 » Chronos: Feedback Control of a Real Database System Performa... |
AR
2006
13 years 7 months ago
2006
The present work deals with the design, implementation and assessment of a new haptic system specifically conceived for manipulative tasks in virtual environments. Such a system wa...
PRL
2007
13 years 7 months ago
2007
A complete authentication system based on fusion of 3D face and hand biometrics is presented and evaluated in this paper. The system relies on a low cost real-time sensor, which c...
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
In this paper, we study a novel form of continuous nearest neighbor queries in the presence of obstacles, namely continuous obstructed nearest neighbor (CONN) search. It considers...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
Good cardinality estimates are critical for generating good execution plans during query optimization. Complex predicates, correlations between columns, and user-defined functions...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
Accurate cardinality estimation is critically important to high-quality query optimization. It is well known that conventional cardinality estimation based on histograms or simila...