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» Compressing Spatio-temporal Trajectories
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JIPS
2010
154views more  JIPS 2010»
12 years 11 months ago
Mining Spatio-Temporal Patterns in Trajectory Data
Spatio-temporal patterns extracted from historical trajectories of moving objects reveal important knowledge about movement behavior for high quality LBS services. Existing approac...
Juyoung Kang 0002, Hwan-Seung Yong
DMIN
2006
115views Data Mining» more  DMIN 2006»
13 years 5 months ago
Indexing Spatio-Temporal Trajectories with Orthogonal Polynomials
Abstract-- In this paper we consider d-dimensional spatiotemporal data (d 1) and ways to approximate and index it. We focus on indexing such data for similarity matching using orth...
Elena Braynova
ICDE
2008
IEEE
161views Database» more  ICDE 2008»
14 years 5 months ago
Convoy Queries in Spatio-Temporal Databases
We introduce a convoy query that retrieves all convoys from historical trajectories, each of which consists of a set of objects that travelled closely during a certain time period....
Hoyoung Jeung, Heng Tao Shen, Xiaofang Zhou
SIGMOD
2004
ACM
126views Database» more  SIGMOD 2004»
14 years 4 months ago
Indexing Spatio-Temporal Trajectories with Chebyshev Polynomials
In this paper, we attempt to approximate and index a ddimensional (d 1) spatio-temporal trajectory with a low order continuous polynomial. There are many possible ways to choose ...
Yuhan Cai, Raymond T. Ng
GIS
2009
ACM
14 years 5 months ago
On-Line Discovery of Flock Patterns in Spatio-Temporal Data
With the recent advancements and wide usage of location detection devices, large quantities of data are collected by GPS and cellular technologies in the form of trajectories. Whi...
Marcos R. Vieira, Petko Bakalov, Vassilis J. Tsotr...