314 search results - page 23 / 63 » Querying Imprecise Data in Moving Object Environments |
DEXA
2007
Springer
14 years 1 months ago
2007
Springer
Due to the high frequency in location updates and the expensive cost of continuous query processing, server computation capacity and wireless communication bandwidth are the two li...
COMAD
2008
13 years 9 months ago
2008
Answering aggregate queries like sum, count, min, max over regions containing moving objects is often needed for virtual world applications, real-time monitoring systems, etc. Sin...
CHI
2001
ACM
14 years 8 months ago
2001
ACM
This work explores how the availability of visual and haptic feedback affects the kinematics of reaching performance in a tabletop virtual environment. Eight subjects performed re...
ICDE
2004
IEEE
14 years 9 months ago
2004
IEEE
Several spatio-temporal applications require the retrieval of summarized information about moving objects that lie in a query region during a query interval (e.g., the number of m...
SSD
1995
Springer
13 years 11 months ago
1995
Springer
Abstract. An algorithm for ranking spatial objects according to increasing distance from a query object is introduced and analyzed. The algorithm makes use of a hierarchical spatia...