237 search results - page 27 / 48 » Efficient Query Processing on the Relational Quadtree |
ICDT
2010
ACM
14 years 5 months ago
2010
ACM
We study fundamental aspects related to the efficient processing of the SPARQL query language for RDF, proposed by the W3C to encode machine-readable information in the Semantic W...
WSDM
2010
ACM
14 years 5 months ago
2010
ACM
As the Web provides rich data embedded in the immense contents inside pages, we witness many ad-hoc efforts for exploiting fine granularity information across Web text, such as We...
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
We study the problem of computing query results with confidence values in ULDBs: relational databases with uncertainty and lineage. ULDBs, which subsume probabilistic databases, o...
EDBT
2002
ACM
14 years 8 months ago
2002
ACM
Abstract. This work addresses the problem of querying moving objects databases. which capture the inherent uncertainty associated with the location of moving point objects. We addr...
WWW
2007
ACM
14 years 8 months ago
2007
ACM
In recent years, there has been a prevalence of search engines being employed to find useful information in the Web as they efficiently explore hyperlinks between web pages which ...