463 search results - page 85 / 93 » A formal model for the discrete representation of spatial ob... |
TGIS
2002
13 years 7 months ago
2002
Today, there is a huge amount of data gathered about the Earth, not only from new spatial information systems, but also from new and more sophisticated data collection technologie...
COMCOM
2011
13 years 2 months ago
2011
The rapid proliferation of mobile computing devices and local wireless networks over the past few years has promoted a continuously growing interest in location-aware systems and ...
ER
2007
Springer
14 years 1 months ago
2007
Springer
Schema mappings come in different flavors: simple correspondences are produced by schema matchers, intensional mappings are used for schema integration. However, the execution of ...
SEMWEB
2007
Springer
14 years 1 months ago
2007
Springer
An ontology is a formal representation of a domain modeling the entities in the domain and their relations. When a domain is represented by multiple ontologies, there is a need for...
COMPGEOM
2006
ACM
14 years 1 months ago
2006
ACM
We construct a class of envelope surfaces in Rd , more precisely envelopes of balls. An envelope surface is a closed C1 (tangent continuous) manifold wrapping tightly around the u...