3225 search results - page 191 / 645 » Query Optimization by Stored Queries |
VLDB
2005
ACM
14 years 3 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...
BTW
2003
Springer
2003
Springer
Transbase: a Leading-edge ROLAP Engine Supporting Multidimensional Indexing and Hierarchy Clustering
14 years 3 months ago
: Analysis-oriented database applications, such as data warehousing or customer relationship management, play a crucial role in the database area. In general, the multidimensional ...
ICDE
2011
IEEE
13 years 1 months ago
2011
IEEE
— In this paper, we study the problem of efficiently computing multiple aggregation queries over a data stream. In order to share computation, prior proposals have suggested ins...
GIS
2008
ACM
14 years 11 months ago
2008
ACM
Multi-dimensional spatial data are obtained when a number of data acquisition devices are deployed at different locations to measure a certain set of attributes of the study subje...
ICSNC
2007
IEEE
14 years 4 months ago
2007
IEEE
Radiology, which deals with medical images for diagnosis purposes, has seen a lot of improvements during the last decades thanks to information technology. The migration from stud...