GEOINFO
2007
13 years 6 months ago
2007
This work aims at increasing the development productivity of the Geographic Information Systems through the MDA. We defined an UML extension which adds geographic information to th...
GEOINFO
2007
13 years 6 months ago
2007
GEOINFO
2007
13 years 6 months ago
2007
GEOINFO
2007
13 years 6 months ago
2007
GEOINFO
2007
13 years 6 months ago
2007
To carry ecologically-relevant biodiversity research, one must collect chunks of information on species and their habitats from a large number of institutions and correlate them us...
GEOINFO
2007
13 years 6 months ago
2007
Coverage representations, as defined by the OGC specifications, are useful for representing a wide range of geographic phenomena. However, in most GIS projects, coverage representa...
GEOINFO
2007
13 years 6 months ago
2007
In this paper we are interested in storing and perform OLAP queries about various aggregate trajectory properties. We consider a data stream environment where a set of mobile objec...
GEOINFO
2007
13 years 6 months ago
2007
This paper describes a model for spatiotemporal objects whose location is fixed, but its boundaries and properties change. We refer to these as evolving objects. We consider cases ...
GEOINFO
2007
13 years 6 months ago
2007
Polygon clipping is an important operation that computers execute all the time. An algorithm that clips a polygon is rather complex. Each edge of the polygon must be tested against...