1394 search results - page 214 / 279 » Executing Nested Queries |
153
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DLOG
2011
14 years 6 months ago
2011
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...
264
Voted
ICDE
2009
IEEE
16 years 4 months ago
2009
IEEE
Increasing prevalence of large-scale distributed monitoring and computing environments such as sensor networks, scientific federations, Grids etc., has led to a renewed interest in...
214
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VLDB
2007
ACM
16 years 3 months ago
2007
ACM
The database community is on a constant quest for better integration of data management and knowledge management. Recently, with the increasing use of ontology in various applicat...
187
Voted
VLDB
2007
ACM
16 years 3 months ago
2007
ACM
This paper analyzes the performance of concurrent (index) scan operations in both record (NSM/PAX) and column (DSM) disk storage models and shows that existing scheduling policies...
119
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ICDE
2009
IEEE
15 years 10 months ago
2009
IEEE
—Database developers today use data access APIs such as ADO.NET to execute SQL queries from their application. These applications often have security problems such as SQL injecti...