3456 search results - page 114 / 692 » Semantics in Spatial Databases |
DBPL
2007
Springer
14 years 3 days ago
2007
Springer
Abstract. Formal semantics for XQuery with side-effects have been proposed in [13, 16]. We propose a different semantics which is better suited for database compilation. We substan...
SIGMOD
2004
ACM
14 years 8 months ago
2004
ACM
Semantic integration is an active area of research in several disciplines, such as databases, information-integration, and ontologies. This paper provides a brief survey of the ap...
DEXA
2009
Springer
14 years 2 months ago
2009
Springer
In this paper, we propose to extend Peer-to-Peer Semantic Wikis with personal semantic annotations. Semantic Wikis are one of the most successful Semantic Web applications. In sema...
ICPADS
2000
IEEE
14 years 18 days ago
2000
IEEE
The most costly spatial operation in spatial databases is a spatial join with combines objects from two data sets based on spatial predicates. Even if the execution time of sequen...
SIGMOD
2000
ACM
14 years 16 days ago
2000
ACM
We consider spatio-temporal databases supporting spatial objects with continuously changing position and extent, termed moving objects databases. We formally define a data model f...