1300 search results - page 143 / 260 » XML Query Processing and Optimization |
182
Voted
ADC
2006
Springer
16 years 4 days ago
2006
Springer
Query answering over OWLs and RDFs on the Semantic Web is, in general, a deductive process. To this end, OWL, a family of web ontology languages based on description logic, has be...
182
Voted
LAWEB
2005
IEEE
15 years 11 months ago
2005
IEEE
Storing and querying Resource Description Framework (RDF) data is one of the basic tasks within any Semantic Web application. A number of storage systems provide assistance for th...
253
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ICDE
2008
IEEE
16 years 7 months ago
2008
IEEE
Abstract-- We introduce join scheduling algorithms that employ a balanced network utilization metric to optimize the use of all network paths in a global-scale database federation....
159
Voted
GIS
2007
ACM
15 years 10 months ago
2007
ACM
Spatial join is an important yet costly operation in spatial databases. In order to speed up the execution of a spatial join, the input tables are often indexed based on their spa...
184
Voted
VLDB
1994
ACM
15 years 10 months ago
1994
ACM
Most declarative SQL-like query languagesfor object-oriented database systems (OOSQL) are orthogonal languages allowing for arbitrary nesting of expressions in the select-, from-,...