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» Ontology Based Query Processing in Database Management Syste...
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155
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DATESO
2009
119views Database» more  DATESO 2009»
15 years 1 months ago
Efficiency Improvement of Narrow Range Query Processing in R-tree
Indexing methods for efficient processing of multidimensional data are very requested in many fields, like geographical information systems, drawing documentations etc. Well-known ...
Peter Chovanec, Michal Krátký
210
Voted
SIGMOD
2007
ACM
196views Database» more  SIGMOD 2007»
16 years 3 months ago
GPUQP: query co-processing using graphics processors
We present GPUQP, a relational query engine that employs both CPUs and GPUs (Graphics Processing Units) for in-memory query co-processing. GPUs are commodity processors traditiona...
Rui Fang, Bingsheng He, Mian Lu, Ke Yang, Naga K. ...
216
Voted
SIGMOD
2009
ACM
189views Database» more  SIGMOD 2009»
16 years 3 months ago
Generic and effective semi-structured keyword search
Current semi-structured keyword search and natural language query processing systems use ad hoc approaches to take advantage of structural information. Although intuitive, they ar...
Arash Termehchy, Marianne Winslett
SIGMOD
2007
ACM
150views Database» more  SIGMOD 2007»
16 years 3 months ago
Exploiting self-monitoring sample views for cardinality estimation
Good cardinality estimates are critical for generating good execution plans during query optimization. Complex predicates, correlations between columns, and user-defined functions...
Jingren Zhou, Per-Åke Larson, Peter Zabback,...
123
Voted
LNCS
1993
15 years 7 months ago
Multimedia Database Systems
– In the past few years considerable demand for user oriented multimedia information systems has developed. These systems must provide a rich set of functionality so that new, co...
Arif Ghafoor, P. Bruce Berra