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» Query Processing in the ROL system
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WWW
2002
ACM
16 years 5 months ago
RQL: a declarative query language for RDF
Real-scale Semantic Web applications, such as Knowledge Portals and E-Marketplaces, require the managementof large volumes of metadata, i.e., information describing the available ...
Gregory Karvounarakis, Sofia Alexaki, Vassilis Chr...
137
Voted
SIGMOD
2008
ACM
138views Database» more  SIGMOD 2008»
15 years 5 months ago
Configuration-parametric query optimization for physical design tuning
Automated physical design tuning for database systems has recently become an active area of research and development. Existing tuning tools explore the space of feasible solutions...
Nicolas Bruno, Rimma V. Nehme
GIS
2005
ACM
16 years 6 months ago
Adaptive nearest neighbor queries in travel time networks
Nearest neighbor (NN) searches represent an important class of queries in geographic information systems (GIS). Most nearest neighbor algorithms rely on static distance informatio...
Wei-Shinn Ku, Roger Zimmermann, Haojun Wang, Chi-N...
SAC
2006
ACM
15 years 11 months ago
Imprecise RDQL: towards generic retrieval in ontologies using similarity joins
Traditional semantic web query languages support a logicbased access to the semantic web. They offer a retrieval (or reasoning) of data based on facts. On the traditional web and...
Abraham Bernstein, Christoph Kiefer
150
Voted
EDBT
1994
ACM
117views Database» more  EDBT 1994»
15 years 9 months ago
Content Routing for Distributed Information Servers
We describe a system that provides query based associative access to the contents of distributed information servers. In typical distributed information systems there are so many o...
Mark A. Sheldon, Andrzej Duda, Ron Weiss, James O'...