197 search results - page 7 / 40 » Efficiently approximating query optimizer plan diagrams |
SIGMOD
2010
ACM
14 years 9 days ago
2010
ACM
Parameterized queries are commonly used in database applications. In a parameterized query, the same SQL statement is potentially executed multiple times with different parameter ...
ICRA
2009
IEEE
13 years 5 months ago
2009
IEEE
Abstract-- Existing high-dimensional motion planning algorithms are simultaneously overpowered and underpowered. In domains sparsely populated by obstacles, the heuristics used by ...
ICLP
2007
Springer
13 years 11 months ago
2007
Springer
Abstract. In this paper we describe the OnEQL system, a query engine that implements optimization techniques and evaluation strategies to speed up the evaluation time of querying a...
SIGMOD
2001
ACM
14 years 7 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...
VLDB
2005
ACM
14 years 29 days ago
2005
ACM
Query optimizers in current database systems are designed to pick a single efficient plan for a given query based on current statistical properties of the data. However, different...