641 search results - page 61 / 129 » Ontology-Driven Geographic Information Systems |
RR
2007
Springer
14 years 1 months ago
2007
Springer
Geo-ontologies have a key role to play in the development of the geospatial-semantic web, with regard to facilitating the search for geographical information and resources. They no...
COMPGEOM
1996
ACM
13 years 12 months ago
1996
ACM
In this paper we show how to traverse a subdivision and to report all cells, edges and vertices, without making use of mark bits in the structure or a stack. We do this by perform...
AIM
2004
13 years 7 months ago
2004
Reasoning about spatial data is a key task in many applications, including geographic information systems, meteorological and fluid flow analysis, computer-aided design, and prote...
CVGIP
2004
13 years 7 months ago
2004
In this paper we present an efficient method for interpolating a piecewise-linear surface between two parallel slices, each consisting of an arbitrary number of (possibly nested) ...
COCOON
2011
Springer
12 years 7 months ago
2011
Springer
Motivated by a security problem in geographic information systems, we study the following graph theoretical problem: given a graph G, two special nodes s and t in G, and a number k...