641 search results - page 33 / 129 » Ontology-Driven Geographic Information Systems |
WWW
2006
ACM
14 years 8 months ago
2006
ACM
A collaborative crawler is a group of crawling nodes, in which each crawling node is responsible for a specific portion of the web. We study the problem of collecting geographical...
GIS
2005
ACM
14 years 8 months ago
2005
ACM
Several application contexts require the ability to use together and compare different geographic datasets (maps) concerning the same or overlapping areas. This is for example the...
GIS
2002
ACM
13 years 7 months ago
2002
ACM
Geographical information systems are more and more based on a DBMS with spatial extensions, which is also the case for the system described in this paper. The design and implementa...
WWW
2009
ACM
14 years 8 months ago
2009
ACM
We analyze knowledge production in Computer Science by means of coauthorship networks. For this, we consider 30 graduate programs of different regions of the world, being 8 progra...
CLEF
2006
Springer
13 years 11 months ago
2006
Springer
In this report we describe the approach of the University of Twente to the 2006 GeoCLEF task. It is based on retrieval by content and the subsequent filtering by geographical rele...