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» Query Optimization Using Local Completeness
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IJCAI
2003
13 years 9 months ago
Describing and Utilizing Constraints to Answer Queries in Data-Integration Systems
In data-integration systems, information sources often have various constraints such as “all houses stored at a source have a unique address.” These constraints are very usefu...
Chen Li
ICDE
1993
IEEE
116views Database» more  ICDE 1993»
13 years 12 months ago
The Volcano Optimizer Generator: Extensibility and Efficient Search
Emerging database application domains demand not only new functionality but also high performance. To satisfy these two requirements, the Volcano project provides efficient, exten...
Goetz Graefe, William J. McKenna
MST
2010
101views more  MST 2010»
13 years 6 months ago
Non-Uniform Reductions
Reductions and completeness notions form the heart of computational complexity theory. Recently non-uniform reductions have been naturally introduced in a variety of settings conc...
Harry Buhrman, Benjamin J. Hescott, Steven Homer, ...
EIS
2011
290views ECommerce» more  EIS 2011»
13 years 2 months ago
Code query by example
Most software engineering techniques that deal with software products customization are based on anticipation: The software designer has to foresee, somehow, the future needs for ...
Sebastien Vaucouleur
AAAI
2007
13 years 10 months ago
DL-Lite in the Light of First-Order Logic
The use of ontologies in various application domains, such as Data Integration, the Semantic Web, or ontology-based data management, where ontologies provide the access to large a...
Alessandro Artale, Diego Calvanese, Roman Kontchak...