30 search results - page 1 / 6 » Towards a Robust Query Optimizer: A Principled and Practical... |
SIGMOD
2005
ACM
14 years 4 months ago
2005
ACM
Research on query optimization has focused almost exclusively on reducing query execution time, while important qualities such as consistency and predictability have largely been ...
SIGMOD
2001
ACM
14 years 4 months ago
2001
ACM
The ability to approximately answer aggregation queries accurately and efficiently is of great benefit for decision support and data mining tools. In contrast to previous sampling...
ACSAC
2007
IEEE
13 years 8 months ago
2007
IEEE
A protection profile for high-robustness separation kernels has recently been validated and several implementations are under development. However, medium-robustness separation ke...
KDD
2005
ACM
14 years 5 months ago
2005
ACM
The Web has been rapidly "deepened" by myriad searchable databases online, where data are hidden behind query interfaces. As an essential task toward integrating these m...
SIGIR
2012
ACM
11 years 7 months ago
2012
ACM
Many techniques for improving search result quality have been proposed. Typically, these techniques increase average effectiveness by devising advanced ranking features and/or by...