9414 search results - page 27 / 1883 » Adaptive Query Processing |
DKE
2007
13 years 7 months ago
2007
The challenge in a database of evolving time series is to provide efficient algorithms and access methods for query processing, taking into consideration the fact that the databas...
ADC
2008
Springer
14 years 2 months ago
2008
Springer
The next-generation of wireless sensor platforms allows for more advanced in-network data processing. The central challenge remains energy and communication efficiency. This paper...
VLDB
2005
ACM
14 years 1 months 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...
ER
2004
Springer
14 years 1 months ago
2004
Springer
A progressive spatial query retrieves spatial data based on previous queries (e.g., to fetch data in a more restricted area with higher resolution). A direct query, on the other si...
DEXA
2003
Springer
14 years 1 months ago
2003
Springer
Moving-objects databases need a spatio-temporal indexing scheme for moving objects to efficiently process queries over continuously changing locations of the objects. A simple exte...