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» Creating Database Queries by Demonstration
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DAWAK
2000
Springer
15 years 2 months ago
Applying Vertical Fragmentation Techniques in Logical Design of Multidimensional Databases
In the context of multidimensional databases implemented on relational DBMSs through star schemes, the most effective technique to enhance performances consists of materializing re...
Matteo Golfarelli, Dario Maio, Stefano Rizzi
SEMWEB
2007
Springer
15 years 4 months ago
Discovering Simple Mappings Between Relational Database Schemas and Ontologies
Ontologies proliferate with the growth of the Semantic Web. However, most of data on the Web are still stored in relational databases. Therefore, it is important to establish inter...
Wei Hu, Yuzhong Qu
ICDE
2012
IEEE
269views Database» more  ICDE 2012»
13 years 8 days ago
A Deep Embedding of Queries into Ruby
—We demonstrate SWITCH, a deep embedding of relational queries into RUBY and RUBY on RAILS. With SWITCH, there is no syntactic or stylistic difference between RUBY programs that ...
Torsten Grust, Manuel Mayr
URBAN
2008
83views more  URBAN 2008»
14 years 9 months ago
Automatic identification of urban settlement boundaries for multiple representation databases
Intuitive and meaningful interpretation of geographical phenomena requires their representation at multiple levels of detail. This is due to the scale dependent nature of their pr...
Omair Chaudhry, William A. Mackaness
DGO
2003
118views Education» more  DGO 2003»
14 years 11 months ago
Reducing Storage Costs for Federated Search of Text Databases
In environments containing many text search engines a federated search system provides people with a single point of access. When search engines are managed by independent organiz...
Jie Lu, Jamie Callan