572 search results - page 30 / 115 » SQLST: A Spatio-Temporal Data Model and Query Language |
SIGMOD
1989
ACM
15 years 1 months ago
1989
ACM
ODE is a database system and environment based on the object paradigm. It offers one integrated data model for both database and general purpose manipulation. The database is defi...
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SIGMOD
2007
ACM
15 years 10 months ago
2007
ACM
XML is the data interoperability standard in many application domains. Therefore, an increasing number of researchers and professionals, who are not computer scientists (although ...
ICDE
2012
IEEE
13 years 5 days ago
2012
IEEE
Abstract—This paper revisits the classical problem of multiquery optimization in the context of RDF/SPARQL. We show that the techniques developed for relational and semi-structur...
SEMWEB
2004
Springer
15 years 3 months ago
2004
Springer
Faceted classification allows one to model applications with complex classification hierarchies using orthogonal dimensions. Recent work has examined the use of faceted classi...
ER
2007
Springer
15 years 3 months ago
2007
Springer
XML Schema supports the specification of occurrence constraints by declaring values for its min/maxOccurs attributes. These constraints are structural in the sense that they rest...