Sciweavers

995 search results - page 41 / 199
» Optimization of Complex Nested Queries in Relational Databas...
Sort
View
DASFAA
2008
IEEE
115views Database» more  DASFAA 2008»
15 years 8 months ago
An Optimized Two-Step Solution for Updating XML Views
View updating is a long standing difficult problem. Given a view defined over base data sources and a view update, there are several different updates over the base data sources,...
Ling Wang, Ming Jiang 0003, Elke A. Rundensteiner,...
ILP
2003
Springer
15 years 7 months ago
Query Optimization in Inductive Logic Programming by Reordering Literals
Query optimization is used frequently in relational database management systems. Most existing techniques are based on reordering the relational operators, where the most selective...
Jan Struyf, Hendrik Blockeel
DEBS
2011
ACM
14 years 5 months ago
DejaVu: a complex event processing system for pattern matching over live and historical data streams
This short paper provides an overview of the DejaVu complex event processing (CEP) system, with an emphasis on its novel architecture and query optimization techniques for correla...
Nihal Dindar, Peter M. Fischer, Nesime Tatbul
BMCBI
2008
121views more  BMCBI 2008»
15 years 2 months ago
OntoDas - a tool for facilitating the construction of complex queries to the Gene Ontology
Background: Ontologies such as the Gene Ontology can enable the construction of complex queries over biological information in a conceptual way, however existing systems to do thi...
Kieran O'Neill, Alexander García Castro, An...
PVLDB
2010
122views more  PVLDB 2010»
15 years 8 days ago
Avalanche-Safe LINQ Compilation
We report on a query compilation technique that enables the construction of alternative efficient query providers for Microsoft’s Language Integrated Query (LINQ) framework. LIN...
Torsten Grust, Jan Rittinger, Tom Schreiber