9414 search results - page 21 / 1883 » Adaptive Query Processing |
ICDE
2005
IEEE
14 years 9 months ago
2005
IEEE
Many of the data sources used in stream query processing are known to exhibit bursty behavior. Data in a burst often has different characteristics than steady-state data, and ther...
SIGMOD
2003
ACM
14 years 8 months ago
2003
ACM
The learning-enhanced relevance feedback has been one of the most active research areas in content-based image retrieval in recent years. However, few methods using the relevance ...
ICDE
2009
IEEE
14 years 2 months ago
2009
IEEE
— Existing stream processing systems are optimized for a specific metric, which may limit their applicability to diverse applications and environments. This paper presents XFlow...
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
Bitmap indexes are widely used in Decision Support Systems (DSSs) to improve query performance. In this paper, we evaluate the use of compressed inverted indexes with adapted quer...
CIKM
2006
Springer
13 years 11 months ago
2006
Springer
In an uncertain database, each data item is modeled as a range associated with a probability density function. Previous works for this kind of data have focussed on simple queries...