265 search results - page 38 / 53 » Universal Trajectory Queries for Moving Object Databases |
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...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
This paper introduces the Scalable INcremental hash-based Algorithm (SINA, for short); a new algorithm for evaluating a set of concurrent continuous spatio-temporal queries. SINA ...
ICDE
2005
IEEE
14 years 9 months ago
2005
IEEE
Index structures are designed to optimize search performance, while at the same time supporting efficient data updates. Although not explicit, existing index structures are typica...
SSD
1999
Springer
13 years 11 months ago
1999
Springer
Traffic telematics comprises services like traffic information, navigation, and emergency call services. Providers of such services need large spatial databases especially for the ...
PAMI
2010
13 years 6 months ago
2010
—In this paper, we study the problem of segmenting tracked feature point trajectories of multiple moving objects in an image sequence. Using the affine camera model, this proble...