756 search results - page 73 / 152 » Using topology for spatial reasoning |
CAD
2006
Springer
14 years 10 months ago
2006
Springer
This paper presents a new unified subdivision scheme that is defined over a k-simplicial complex in n-D space with k 3. We first present a series of definitions to facilitate top...
GIS
2002
ACM
14 years 9 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...
GIS
2010
ACM
14 years 7 months ago
2010
ACM
Mobile intention recognition is the problem of inferring a mobile user's intentions from her behavior in geographic space. Such behavior is constrained in space and time. Cur...
111
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AHSWN
2008
14 years 10 months ago
2008
This paper discusses the ideal shapes of control frames (i.e., RTS/CTS frames) in the IEEE 802.11 MAC layer for efficient power control and directional beam forming in mobile ad h...
100
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ADBIS
2010
Springer
14 years 11 months ago
2010
Springer
Cardinal directions have turned out to be very important qualitative spatial relations due to their numerous applications in spatial wayfinding, GIS, qualitative spatial reasoning ...