1300 search results - page 143 / 260 » XML Query Processing and Optimization |
ADC
2006
Springer
14 years 4 months 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...
LAWEB
2005
IEEE
14 years 3 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...
ICDE
2008
IEEE
14 years 11 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....
GIS
2007
ACM
14 years 2 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...
VLDB
1994
ACM
14 years 2 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-,...