3456 search results - page 82 / 692 » Semantics in Spatial Databases |
VLDB
2001
ACM
14 years 8 months ago
2001
ACM
The correctness of the data managed by database systems is vital to any application that utilizes data for business, research, and decision-making purposes. To guard databases agai...
ODBIS
2007
Springer
14 years 2 months ago
2007
Springer
There is a growing need to define a semantic mapping from a database schema to an ontology. Such a mapping is an integral part of the data integration systems that use an ontology...
LREC
2008
13 years 9 months ago
2008
Notwithstanding its acknowledged richness, the SIMPLE semantic model does not offer the representational vocabulary for encoding some conceptual links holding between events and t...
ICMCS
2005
IEEE
14 years 1 months ago
2005
IEEE
In this paper, we present a method of semantic knowledge building for image database by extracting semantic meanings from Web page contents. The novelty of our method is that it i...
GIS
2008
ACM
14 years 9 months ago
2008
ACM
Given a spatial crime data warehouse, that is updated infrequently and a set of operations O as well as constraints of storage and update overheads, the index type selection probl...