162 search results - page 29 / 33 » The Representation of Structured Objects in DLs using Descri... |
SSD
1993
Springer
14 years 1 days ago
1993
Springer
: Spatial data types or algebras for database systems should (i) be fully general (which means, closed under set operations, hence e.g. a region value can be a set of polygons with...
GIS
2004
ACM
14 years 9 months ago
2004
ACM
Triangular Irregular Network (TIN) and Regular Square Grid (RSG) are widely used for representing 2.5 dimensional spatial data. However, these models are not defined from the topo...
GIS
2008
ACM
14 years 9 months ago
2008
ACM
Geospatial information integration is not a trivial task. An integrated view must be able to describe various heterogeneous data sources and its interrelation to obtain shared con...
EON
2003
13 years 9 months ago
2003
In this paper we describe Racer, which can be considered as a core inference engine for the semantic web. The Racer inference server offers two APIs that are already used by at le...
BTW
2007
Springer
13 years 12 months ago
2007
Springer
Abstract: Content based multimedia retrieval is an important topic in database systems. An emerging and challenging topic in this area is the content based search in video data. A ...