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ACSW
2003
13 years 10 months ago
2003
Location awareness is a crucial part of the context-awareness mechanism for ubicomputing. This paper explores how usefull is the location awareness history for an office based low...
GIS
2006
ACM
14 years 10 months ago
2006
ACM
Creating complex spatio?temporal simulation models is a hot issue in the area of spatio?temporal databases [7]. While existing Moving Object Simulators (MOSs) address different ph...
NIPS
2000
13 years 10 months ago
2000
We present a computational model of the neural mechanisms in the parietal and temporal lobes that support spatial navigation, recall of scenes and imagery of the products of recal...
SIGMOD
2007
ACM
14 years 9 months ago
2007
ACM
An important problem for many location-based applications is the continuous evaluation of proximity relations among moving objects. These relations express whether a given set of ...
SMI
2005
IEEE
14 years 2 months ago
2005
IEEE
This paper considers computation of visibility for twodimensional shapes whose boundaries are C1 continuous curves. We assume we are given a one-parameter family of candidate view...