418 search results - page 12 / 84 » Optimizing Large Join Queries in Mediation Systems |
XSYM
2004
Springer
14 years 29 days ago
2004
Springer
Due to their numerous benefits, relational systems play a major role in storing XML documents. XML also benefits relational systems by providing a means to publish legacy relatio...
PVLDB
2010
13 years 6 months ago
2010
The dramatic proliferation of sophisticated networks has resulted in a growing need for supporting effective querying and mining methods over such large-scale graph-structured da...
PVLDB
2010
13 years 6 months ago
2010
To enable smart environments and self-tuning data centers, we are developing the Aspen system for integrating physical sensor data, as well as stream data coming from machine logi...
EDBT
2010
ACM
14 years 2 months ago
2010
ACM
Implementations of map-reduce are being used to perform many operations on very large data. We examine strategies for joining several relations in the map-reduce environment. Our ...
GIS
2007
ACM
13 years 11 months ago
2007
ACM
Spatial join is an important yet costly operation in spatial databases. In order to speed up the execution of a spatial join, the input tables are often indexed based on their spa...