770 search results - page 47 / 154 » An Approach to Querying Multiple Object Databases |
ICDE
2007
IEEE
15 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 ...
DASFAA
2004
IEEE
15 years 1 months ago
2004
IEEE
Abstract. The efficient management of interval sequences represents a core requirement for many temporal and spatial database applications. With the Relational Interval Tree (RI-tr...
DEXA
2004
Springer
15 years 3 months ago
2004
Springer
Data integration is the process that gives users access to multiple data sources though queries against a global schema. Semantic heterogeneity has been identified as the most imp...
ADC
2008
Springer
14 years 11 months ago
2008
Springer
A common approach to content-based image retrieval is to use example images as queries; images in the collection that have low-level features similar to the query examples are ret...
SSD
2001
Springer
15 years 2 months ago
2001
Springer
The need to access spatial data at multiple levels of detail is a fundamental requirement of many applications of geographical information, yet conventional spatial database access...