287 search results - page 9 / 58 » Optimization Techniques for Queries with Expensive Methods |
SIGMOD
2010
ACM
14 years 6 days ago
2010
ACM
Current relational databases require that a database schema exist prior to data entry and require manual optimization for best performance. We describe the query optimization tech...
DOLAP
2006
ACM
14 years 1 months ago
2006
ACM
In this paper we perform an extensive theoretical and experimental study on common synopsis construction algorithms, with emphasis on wavelet based techniques, that take under con...
SDM
2009
SIAM
14 years 4 months ago
2009
SIAM
Mean-Shift (MS) is a powerful non-parametric clustering method. Although good accuracy can be achieved, its computational cost is particularly expensive even on moderate data sets...
SIGMOD
2006
ACM
14 years 7 months ago
2006
ACM
ct In some applications, data capture dominates query processing. For example, monitoring moving objects often requires more insertions and updates than queries. Data gathering usi...
ICDE
2008
IEEE
14 years 8 months ago
2008
IEEE
The continuous intersection join query is computationally expensive yet important for various applications on moving objects. No previous study has particularly addressed this que...