211 search results - page 12 / 43 » Privacy Protected Query Processing on Spatial Networks |
CIKM
2007
Springer
14 years 1 months ago
2007
Springer
Spatial queries for extracting data from wireless sensor networks are important for many applications, such as environmental monitoring and military surveillance. One such query i...
GIS
2006
ACM
14 years 8 months ago
2006
ACM
The result of a distance join operation on two sets of objects R, S on a spatial network G is a set P of object pairs <p, q>, p R, q S such that the distance of an object ...
SDMW
2009
Springer
13 years 11 months ago
2009
Springer
A “friend finder” is a Location Based Service (LBS) that informs users about the presence of participants in a geographical area. In particular, one of the functionalities of ...
SDM
2010
SIAM
13 years 8 months ago
2010
SIAM
Large graph databases are commonly collected and analyzed in numerous domains. For reasons related to either space efficiency or for privacy protection (e.g., in the case of socia...
GIS
2008
ACM
13 years 8 months ago
2008
ACM
In this paper we study in-network query processing in disconnected mobile environments, where both ad-hoc communication and infrastructure communication are available. Depending o...