5401 search results - page 55 / 1081 » Using Versions in GIS |
135
Voted
GIS
1995
ACM
15 years 6 months ago
1995
ACM
An algorithm is presented to answer window queries in a quadtree-based spatial database environment by retrieving the covering blocks in the underlying spatial database. It works ...
113
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GIS
1992
ACM
15 years 6 months ago
1992
ACM
A new approach to representing qualitative spatial knowledge and to spatial reasoning is presented. This approach is motivated by cognitive considerations and is based on relative ...
173
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GIS
2008
ACM
16 years 3 months ago
2008
ACM
This paper presents a case study on the application of data mining to the problem of detecting ecosystem disturbances from vegetation cover data obtained from satellite observatio...
119
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CCGRID
2002
IEEE
15 years 7 months ago
2002
IEEE
In this paper, we discuss requirements for integrating dynamic performance information from the Network Weather Service (NWS) into the Grid Information Service infrastructure (GIS...
148
Voted
COSIT
1999
Springer
15 years 6 months ago
1999
Springer
We extend the theory about terminological default reasoning by using a logical base language that can represent spatioterminological phenomena. Based on this description logic lang...