30 search results - page 4 / 6 » Towards a Robust Query Optimizer: A Principled and Practical... |
SIGIR
2009
ACM
14 years 8 days ago
2009
ACM
When search is against structured documents, it is beneficial to extract information from user queries in a format that is consistent with the backend data structure. As one step...
VLDB
2005
ACM
13 years 11 months ago
2005
ACM
Cost-based query optimizers need to estimate the selectivity of conjunctive predicates when comparing alternative query execution plans. To this end, advanced optimizers use multi...
CVPR
2007
IEEE
14 years 7 months ago
2007
IEEE
This paper proposes a novel approach to constructing a hierarchical representation of visual input that aims to enable recognition and detection of a large number of object catego...
ICDE
2008
IEEE
14 years 7 months ago
2008
IEEE
Applications that monitor functions over rapidly and unpredictably changing data, express their needs as continuous queries. Our focus is on a rich class of queries, expressed as p...
CEC
2010
IEEE
13 years 6 months ago
2010
IEEE
In orthodontics, retraction springs made of metallic wires are often used to move a tooth with respect to another by the virtue of the spring back effect. Specially selected form o...