2063 search results - page 50 / 413 » Containment of Aggregate Queries |
ER
2010
Springer
13 years 8 months ago
2010
Springer
Multidimensional models are at the core of data warehouse systems, since they allow decision makers to early define the relevant information and queries that are required to satis...
SSDBM
2000
IEEE
14 years 1 months ago
2000
IEEE
Multidimensional data cubes are used in large data warehouses as a tool for online aggregation of information. As the number of dimensions increases, supporting efficient queries ...
ICCSA
2007
Springer
14 years 4 months ago
2007
Springer
Information aggregation is an important operation in wireless sensor networks executed for the purpose of monitoring and reporting of the environmental data. Due to the performance...
CIA
2008
Springer
14 years 7 days ago
2008
Springer
Abstract. This paper introduces a formal method to aggregate over basic beliefs, in order to deduce aggregated or complex beliefs as often used in applications. Complex beliefs can...
ICDE
2007
IEEE
14 years 4 months ago
2007
IEEE
We consider the problem of semantic load shedding for continuous queries containing window joins on multiple data streams and propose a robust approach that is effective with the ...