413 search results - page 24 / 83 » Optimizing Queries Across Diverse Data Sources |
KRDB
1998
13 years 8 months ago
1998
We present a semantic caching approach for optimizing the performance of information mediators. A critical problem with information mediators, particularly those gathering and int...
GISCIENCE
2008
Springer
13 years 8 months ago
2008
Springer
Geospatial data sharing is an increasingly important subject as large amount of data is produced by variety of sources, stored in incompatible formats, and accessible through diffe...
USENIX
2008
13 years 9 months ago
2008
This paper describes Mortar, a distributed stream processing platform for building very large queries across federated systems (enterprises, grids, datacenters, testbeds). Nodes i...
ICASSP
2009
IEEE
14 years 2 months ago
2009
IEEE
The problem of content-based image and video retrieval with textual queries is often posed as that of visual concept classification, where classifiers for a set of predetermined...
IJCIS
1998
13 years 7 months ago
1998
We present the systematic design and development of a distributed query scheduling service DQS in the context of DIOM, a distributed and interoperable query mediation system 26 ...