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DEXAW
1999
IEEE
123views Database» more  DEXAW 1999»
13 years 11 months ago
CHOROCHRONOS: Research on Spatiotemporal Database Systems
Spatiotemporal database management systems can become an enabling technology for important applications such as Geographic Information Systems (GIS), environmental information sys...
Timos K. Sellis
ICC
2008
IEEE
137views Communications» more  ICC 2008»
14 years 1 months ago
On the Effect of Localization Errors on Geographic Routing in Sensor Networks
—Recently, network localization systems that are based on inter-node ranges have received significant attention. Geographic routing has been considered an application which can u...
Bo Peng, Rainer Mautz, Andrew H. Kemp, Washington ...
GIS
2002
ACM
13 years 7 months ago
Generic query tool for spatio-temporal data
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...
Peter van Oosterom, Bart Maessen, Wilko Quak
CLEF
2006
Springer
13 years 11 months ago
Blind Relevance Feedback and Named Entity Based Query Expansion for Geographic Retrieval at GeoCLEF 2006
The participation of the University of Hildesheim focused on the monolingual German and English and the bilingual German English tasks of GeoCLEF 2006. Based on the results of Geo...
Kerstin Bischoff, Thomas Mandl, Christa Womser-Hac...
FLAIRS
2000
13 years 8 months ago
Erosion Modeling in a Raster-Based GIS with Fuzzy Logic
In recent years, fuzzy logic has been applied successfully to a wide range of problems. This paper shows how it can be utilized in the area of spatial reasoning, in particular geo...
Hans W. Guesgen, Jochen Albrecht, Stefi Grundner