1. Crowd-sensing made easy!
ADAM project-team
Université Lille 1 – LIFL
Inria Lille – Nord Europe
Christophe Ribeiro
1
jeudi 25 avril 13
2. Why do we collect data?
• Better understanding of crowd
behavior and its environment
– E.g., optimizing public transport services
2
www.apisense.fr
jeudi 25 avril 13
3. Why do we collect data?
• Better understanding of crowd
behavior and its environment
– E.g., optimizing public transport services
2
Road map of Chicago
www.apisense.fr
jeudi 25 avril 13
4. Why do we collect data?
• Better understanding of crowd
behavior and its environment
– E.g., optimizing public transport services
2
Paths of Chigago TwitteresRoad map of Chicago
www.apisense.fr
jeudi 25 avril 13
8. Mobile|Phone Sensing
• Revolution driven by smart devices to
collect of crowd activity traces
34
App distribution
channels
www.apisense.fr
jeudi 25 avril 13
12. Crowd-sensing
• Capability of lifting a (large) diffuse
group of participants to delegate the
task of retrieving trustable data from
the field
4
GPS
WIFI/3G/4G
Accelerometer
Compas
CameraMicrophone
Crowd + Sensing
www.apisense.fr
jeudi 25 avril 13
19. Central Node
• A trustable central server
– Intermediary between collector node &
workers
– Guarantees workers anonymity (generated
ids)
– Checks the task scripts and rewards
workers
• Cloud-oriented data storage
–
7
Scalability
Privacy
www.apisense.fr
jeudi 25 avril 13
20. Crowdsensing
• Mobile application
– Downloads & executes scripts (sandbox)
– Uploads datasets when plugged
– Controls sensor privileges & privacy filters
8
Time filter
Sensors
privileges
Location filter
Energy
Privacy
jeudi 25 avril 13
27. 70 %
30 %
100 %
100 %
Mobility model
11
www.apisense.fr
jeudi 25 avril 13
28. 70 %
30 %
100 %
100 %
Mobility model
11
Home
Work
???
www.apisense.fr
jeudi 25 avril 13
29. 70 %
30 %
100 %
100 %
Mobility model
11
Home
Work
???
Parvis Saint-Maurice
avenue Halley
2 Place de Béthune
www.apisense.fr
jeudi 25 avril 13
30. Inria Lille
Bistro
70 %
30 %
100 %
100 %
Mobility model
11
Home
Work
???
Parvis Saint-Maurice
avenue Halley
2 Place de Béthune
www.apisense.fr
jeudi 25 avril 13