262 search results - page 10 / 53 » Spatio-temporal join selectivity |
JIIS
2006
13 years 7 months ago
2006
A join of two relations in real databases is usually much smaller than their cartesian product. This means that most of the combinations of tuples in the crossproduct of the respe...
EDBT
2010
ACM
14 years 11 days ago
2010
ACM
In adaptive query processing, the way in which a query is evaluated is changed in the light of feedback obtained from the environment during query evaluation. Such feedback may, f...
KAIS
2007
13 years 7 months ago
2007
We present an adaptive load shedding approach for windowed stream joins. In contrast to the conventional approach of dropping tuples from the input streams, we explore the concept ...
ICDE
2005
IEEE
14 years 9 months ago
2005
IEEE
We address the problem of executing continuous multiway join queries in unpredictable and volatile environments. Our query class captures windowed join queries in data stream syst...
PVLDB
2010
13 years 6 months ago
2010
To enable smart environments and self-tuning data centers, we are developing the Aspen system for integrating physical sensor data, as well as stream data coming from machine logi...