57 search results - page 8 / 12 » Spatial filters for mobile information retrieval |
IUI
2004
ACM
14 years 2 months ago
2004
ACM
Never before have so many information sources been available. Most are accessible on-line and some exist on the Internet alone. However, this large information quantity makes inte...
KI
2008
Springer
13 years 8 months ago
2008
Springer
The complexity of pedestrian spatio-temporal behaviour calls for the combination of several complementary empirical methods in order to comprehensively understand human motion beha...
WWW
2005
ACM
14 years 9 months ago
2005
ACM
Rapid pervasion of the web into users' daily lives has put much importance on capturing location-specific information on the web, due to the fact that most human activities o...
MM
2006
ACM
14 years 2 months ago
2006
ACM
Conventional wide-area video surveillance systems use a network of fixed cameras positioned close to locations of interest. We describe an alternative and flexible approach to w...
GIS
2009
ACM
14 years 3 months ago
2009
ACM
In this paper, we formalize the novel concept of Constrained Reverse k-Nearest Neighbor (CRkNN) search on mobile objects (clients) performed at a central server. The CRkNN query c...