121 search results - page 12 / 25 » Anomalous trajectory patterns detection |
KDD
2007
ACM
14 years 8 months ago
2007
ACM
We present a family of algorithms to uncover tribes--groups of individuals who share unusual sequences of affiliations. While much work inferring community structure describes lar...
GIS
2009
ACM
14 years 8 months ago
2009
ACM
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...
SSDBM
2006
IEEE
14 years 1 months ago
2006
IEEE
Monitoring movement of high-dimensional points is essential for environmental databases, geospatial applications, and biodiversity informatics as it reveals crucial information ab...
GIS
2010
ACM
13 years 6 months ago
2010
ACM
We propose a new and powerful tool for the analysis of trajectories, which in particular allows for more temporally aware analyses. Time plays an important role in the analysis of ...
CCS
2009
ACM
14 years 2 months ago
2009
ACM
Anomaly detection for network intrusion detection is usually considered an unsupervised task. Prominent techniques, such as one-class support vector machines, learn a hypersphere ...