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APWEB
2010
Springer
15 years 2 months ago
Optimizing Query Processing for the Hidden Web
Abstract. The term Deep Web (sometimes also called Hidden Web) refers to the data content that is created dynamically as the result of a specific search on the Web. In this respec...
Andrea Calì, Davide Martinenghi
EDBT
2012
ACM
247views Database» more  EDBT 2012»
13 years 5 days ago
Heuristics-based query optimisation for SPARQL
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...
Petros Tsialiamanis, Lefteris Sidirourgos, Irini F...
ICDE
2005
IEEE
133views Database» more  ICDE 2005»
15 years 3 months ago
Statistical similarity search applied to content-based video copy detection
—Content-based copy detection (CBCD) is one of the emerging multimedia applications for which there is a need of a concerted effort from the database community and the computer ...
Alexis Joly, Olivier Buisson, Carl Frélicot
NGITS
1995
Springer
15 years 1 months ago
A History-Oriented Temporal SQL Extension
Dozens of temporal extension of the relational data model and of the query language SQL have appeared in recent years. Recently, a committee formed by researchers from the academi...
Fabio Grandi, Maria Rita Scalas, Paolo Tiberio
SIGMOD
1993
ACM
150views Database» more  SIGMOD 1993»
15 years 1 months ago
Predicate Migration: Optimizing Queries with Expensive Predicates
The traditional focus of relational query optimization schemes has been on the choice of join methods and join orders. Restrictions have typically been handled in query optimizers ...
Joseph M. Hellerstein, Michael Stonebraker