Database Reference
In-Depth Information
Privacy Profile
Specification
Privacy
profile
Location
cloaking
Cloaked
regions
Disclosed location
(Cloaker region or
exact position)
Position
transformation
Exact
position
(a)
(b)
Plate 2.9 The Probe system: (a) The workflow. (b) Obfuscated map: the blue polygons
represent cloaked regions, the red rectangles sensitive places, the gray background the
distribution of population in space.
(a)
Plate 6.1 Visual representation of (a) a trajectory flock, (b) a sample result on a real data
set with all trajectories involved, and (c) a zoom on the segments that form the flock.
(b)
(c)
(a) (b)
Plate 6.6 Sample trajectory clustering on a real data set of vehicles (GPS data collected
by OctoTelematics S.p.A.), obtained using a density-based clustering schema and a spatial
route distance function.
