418 search results - page 54 / 84 » Optimizing Large Join Queries in Mediation Systems |
TGC
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. We propose and discuss foundations for programmable overlay networks and overlay computing systems. Such overlays are built over a large number of distributed computation...
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
We present a complete XPath cost-based optimization and execution framework and demonstrate its effectiveness and efficiency for a variety of queries and datasets. The framework i...
ICDE
2010
IEEE
14 years 7 months ago
2010
IEEE
A large fraction of an XML document typically consists of text data. The XPath query language allows text search via the equal, contains, and starts-with predicates. Such predicate...
DILS
2005
Springer
14 years 1 months ago
2005
Springer
: We present a new approach to integrate annotation data from public sources for the expression analysis of genes and proteins. Expression data is materialized in a data warehouse ...
ACSAC
2009
IEEE
14 years 2 months ago
2009
IEEE
—Smartphones are now ubiquitous. However, the security requirements of these relatively new systems and the applications they support are still being understood. As a result, the...