135 search results - page 27 / 27 » Answering aggregate keyword queries on relational databases ... |
WWW
2008
ACM
14 years 6 months ago
2008
ACM
The World Wide Web Consortium's RDF standard primarily consists of (subject,property,object) triples that specify the value that a given subject has for a given property. How...
DOLAP
2006
ACM
13 years 11 months ago
2006
ACM
Decision support systems (DSS) may be enhanced qualitatively if they are able to also deal with spatial dimensions and measures. Regardless the evident importance of using data wa...
DOLAP
2004
ACM
13 years 10 months ago
2004
ACM
Parallelism can be used for major performance improvement in large Data warehouses (DW) with performance and scalability challenges. A simple low-cost shared-nothing architecture ...
DMDW
2000
13 years 6 months ago
2000
As views in a data warehouse become more complex, the view maintenance process can become very complicated and potentially very inefficient. Storing auxiliary views in the warehou...
MMS
2008
13 years 5 months ago
2008
We address the challenge of semantic gap reduction for image retrieval through an improved SVM-based active relevance feedback framework, together with a hybrid visual and concept...