3225 search results - page 114 / 645 » Query Optimization by Stored Queries |
CIKM
2007
Springer
14 years 3 months ago
2007
Springer
With increasing amount of data being stored in XML format, OLAP queries over these data become important. OLAP queries have been well studied in the relational database systems. H...
PODS
1997
ACM
14 years 1 months ago
1997
ACM
We consider the problem of indexing general database workloads (combinations of data sets and sets of potential queries). We de ne a framework for measuring the eciency of an ind...
COMAD
2009
13 years 10 months ago
2009
An ontology is an explicit specification of shared conceptualization. The Web Ontology Language (OWL) is a family of knowledge representation languages for authoring ontologies, a...
DKE
2007
13 years 8 months ago
2007
In our days knowledge extraction methods are able to produce artifacts (also called patterns) that concisely represent data. Patterns are usually quite heterogeneous and require a...
VLDB
2007
ACM
14 years 9 months ago
2007
ACM
This paper addresses the efficient processing of similarity queries in metric spaces, where data is horizontally distributed across a P2P network. The proposed approach does not r...