792 search results - page 30 / 159 » Computing Iceberg Queries Efficiently |
ICEIS
2006
IEEE
15 years 3 months ago
2006
IEEE
The satisfiability test checks, whether or not the evaluation of a query returns the empty set for any input document, and can be used in query optimization for avoiding the submis...
TSC
2010
14 years 4 months ago
2010
bstraction Views for Scientific Workflow Provenance Querying Artem Chebotko, Member, IEEE, Shiyong Lu, Senior Member, IEEE, Seunghan Chang, Farshad Fotouhi, Member, IEEE, and Ping ...
MFDBS
1989
15 years 1 months ago
1989
One of the key problems when extending relational database query languages to include deductive capabilities, is to provide them with efficient methods for answering recursive que...
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SIGMOD
2003
ACM
15 years 10 months ago
2003
ACM
The challenge of peer-to-peer computing goes beyond simple file sharing. In the DBGlobe project, we view the multitude of peers carrying data and services as a superdatabase. Our ...
CIKM
2006
Springer
15 years 1 months ago
2006
Springer
Skyline queries compute the set of Pareto-optimal tuples in a relation, i.e., those tuples that are not dominated by any other tuple in the same relation. Although several algorit...