289 search results - page 29 / 58 » Control of an Extensible Query Optimizer: A Planning-Based A... |
EDBT
2006
ACM
14 years 7 months ago
2006
ACM
In [12] we introduce a novel architecture for data processing, based on a functional fusion between a data and a computation layer. In this demo we show how this architecture is le...
GIS
2005
ACM
14 years 8 months ago
2005
ACM
Databases of moving objects are important for air traffic control, ground traffic, and battlefield configurations. We introduce the (historical and spatial) range close-pair query...
WWW
2003
ACM
14 years 8 months ago
2003
ACM
Continuous queries are queries for which responses given to users must be continuously updated, as the sources of interest get updated. Such queries occur, for instance, during on...
DATESO
2007
13 years 9 months ago
2007
When searching databases of nucleotide or protein sequences, finding a local alignment of two sequences is one of the main tasks. Since the sizes of available databases grow const...
ICDE
2006
IEEE
14 years 9 months ago
2006
IEEE
Database columns are often correlated, so that cardinality estimates computed by assuming independence often lead to a poor choice of query plan by the optimizer. Multidimensional...