86 search results - page 1 / 18 » The Fittest Survives: An Adaptive Approach to Query Optimiza... |
VLDB
1995
ACM
13 years 8 months ago
1995
ACM
Traditionally, optimizers are “programmed” to optimize queries following a set of buildin procedures. However, optimizers should be robust to its changing environment to gener...
DEXA
2006
Springer
13 years 8 months ago
2006
Springer
A new approach to query optimization, truly adaptive optimization (TAO), is presented. TAO is a general optimization strategy and is composed of three elements:
CORR
2012
Springer
12 years 17 days ago
2012
Springer
We propose a novel mechanism for answering sets of counting queries under differential privacy. Given a workload of counting queries, the mechanism automatically selects a differ...
SIGMOD
2001
ACM
14 years 5 months ago
2001
ACM
Time-referenced data are pervasive in most real-world databases. Recent advances in temporal query languages show that such database applications may benefit substantially from bu...
BNCOD
2011
12 years 4 months ago
2011
Due to high data volumes and unpredictable arrival rates, continuous query systems processing expensive queries in real-time may fail to keep up with the input data streams - resul...