756 search results - page 33 / 152 » Using topology for spatial reasoning |
GIS
2007
ACM
15 years 1 months ago
2007
ACM
Spatial join is an important yet costly operation in spatial databases. In order to speed up the execution of a spatial join, the input tables are often indexed based on their spa...
ECIR
2010
Springer
14 years 11 months ago
2010
Springer
Spatial diversity is a relatively new branch of research in the context of spatial information retrieval. Although the assumption that spatially diversified results may meet users&...
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GIS
2005
ACM
15 years 10 months ago
2005
ACM
A necessary step in the implementation of three-dimensional spatial data types for spatial database systems and GIS is the development of robust geometric primitives. The authors ...
AI
2000
Springer
14 years 9 months ago
2000
Springer
This paper reports the new steps undertaken in our work aimed to demonstrate the effectiveness of an omnidirectional vision sensor when conjugated with the Spatial Semantic Hierarc...
NLUCS
2008
14 years 11 months ago
2008
Abstract. To develop a computational model of understanding spatial expressions, various factors should be taken into account. We have been exploring the relations between the good...