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» Parallelizing query optimization
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102
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PEPM
2010
ACM
15 years 9 months ago
Optimizing relational algebra operations using generic equivalence discriminators and lazy products
We show how to efficiently evaluate generic map-filter-product queries, generalizations of select-project-join (SPJ) queries in relational algebra, based on a combination of two...
Fritz Henglein
ICDE
2006
IEEE
124views Database» more  ICDE 2006»
15 years 6 months ago
Systematic Approach for Optimizing Complex Mining Tasks on Multiple Databases
It has been well recognized that data mining is an interactive and iterative process. In order to support this process, one of the long-term goals of data mining research has been...
Ruoming Jin, Gagan Agrawal
132
Voted
DLOG
2011
14 years 4 months ago
Dependencies to Optimize Ontology Based Data Access
Query answering in Ontology Based Data Access (OBDA) exploits the knowledge of an ontology’s TBox to deal with incompleteness of the ABox (or data source). Current query-answerin...
Mariano Rodriguez-Muro, Diego Calvanese
124
Voted
PDPTA
2010
14 years 10 months ago
A Novel Computation-to-core Mapping Scheme for Robust Facet Image Modeling on GPUs
Though the GPGPU concept is well-known in image processing, much more work remains to be done to fully exploit GPUs as an alternative computation engine. The difficulty is not refo...
Seung In Park, Yong Cao, Layne T. Watson
101
Voted
WWW
2007
ACM
16 years 1 months ago
Optimizing web search using social annotations
This paper explores the use of social annotations to improve web search. Nowadays, many services, e.g. del.icio.us, have been developed for web users to organize and share their f...
Shenghua Bao, Gui-Rong Xue, Xiaoyuan Wu, Yong Yu, ...