491 search results - page 10 / 99 » Optimizing Large OODB Queries |
EDBT
2012
ACM
11 years 10 months ago
2012
ACM
Query optimization in RDF Stores is a challenging problem as SPARQL queries typically contain many more joins than equivalent relational plans, and hence lead to a large join orde...
APWEB
2005
Springer
14 years 1 months ago
2005
Springer
Multiresolution (or multi-scale) techniques make it possible for Web-based GIS applications to access large dataset. The performance of such systems relies on data transmission ove...
DASFAA
1999
IEEE
14 years 21 sec ago
1999
IEEE
The spatial query has been processed in two steps, the filter step and the refinement step, due to a large volume and high complexity of the spatial data. However, this approach h...
WWW
2010
ACM
14 years 2 months ago
2010
ACM
Query suggestion has been an effective approach to help users narrow down to the information they need. However, most of existing studies focused on only popular/head queries. Si...
VLDB
1999
ACM
13 years 12 months ago
1999
ACM
XML is an emerging standard for data representation and exchange on the World-Wide Web. Due to the nature of information on the Web and the inherent flexibility of XML, we expect...