118 search results - page 12 / 24 » A Spatiotemporal Query Service for Mobile Users in Sensor Ne... |
GIS
2003
ACM
14 years 8 months ago
2003
ACM
With wireless communications and geo-positioning being widely available, it becomes possible to offer new e-services that provide mobile users with information about other mobile ...
SUTC
2006
IEEE
14 years 1 months ago
2006
IEEE
Given a query point p, typically the position of a current client, and two datasets S and R, a transitive nearest neighbor (TNN) search returns a pair of objects (s, r) ∈ S × R...
GIS
2009
ACM
14 years 8 months ago
2009
ACM
The k-anonymity technique is widely used to provide location privacy protection for accessing location-based services (LBS), i.e., the exact location of a query initiator is cloak...
DCOSS
2008
Springer
13 years 9 months ago
2008
Springer
Abstract. It is an undeniable fact that people want information. Unfortunately, even in today's highly automated society, a lot of the information we desire is still manually ...
WWW
2007
ACM
14 years 8 months ago
2007
ACM
Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of some ...