Short presentation of the APISENSE crowdsensing platform

1. Crowd&sensing,made,easy!
ADAM,project&team
Université,Lille,1,–,LIFL
Inria,Lille,–,Nord,Europe
Christophe*Ribeiro
1

2. 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

3. Mobile|Phone+Sensing
Revolution+driven+by+smart+devices+to+collect
of+crowd+activity+traces
•
34
Increasing*popularityApp*distribution*channels
GPS
WIFI/3G/4G
Accelerometer
Compas
CameraMicrophone
Rich*suites*of*sensors
www.apisense.fr

4. Crowd&sensing
Capability2of2lifting2a2(large)2diffuse2group2of
participants2to2delegate2the2task2of2retrieving
trustable2data2from2the2field
•
4
GPS
WIFI/3G/4G
Accelerometer
Compas
CameraMicrophone
Crowd&&+&&Sensing
www.apisense.fr

5. Challenges)summary
5
Task
description
Task
execution
Worker
recruitment
Task
deployment
Data)upload
Worker
rewarding
Crosscutting
challenges
Privacy Energy
Software
challenges Scalability SecurityFlexibility
Hot:topics Motivation Incentives
www.apisense.fr

6. Multi&Cloud*Platform
6
www.apisense.fr

7. 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

8. Crowdsensing+Agent
Mobile+application
Downloads+&+executes+scripts+(sandbox)
Uploads+datasets+when+plugged
Controls+sensor+privileges+&+privacy+filters
•
–
–
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8
Time+filter Sensors+privileges Location+filter
Energy
Privacy

9. GSM$Signal$Open$Map
9
trace.setHeader(’gsm_operator’, gsm.operator());
location.onLocationChanged({
period: ’5min’,
distance: ’10m’
}, function (loc) {
return trace.add({
time: loc.timestamp,
lat: loc.latitude,
lon: loc.longitude,
wifi: {
network_id: wifi.bssid(),
signal_strength: wifi.rssi()
},
gsm: {
cell_id: gsm.cellId(),
signal_strength: gsm.dbm()
}
});
});
Ground
truth
Open
map

10. Collecting*exceptions*in*the*wild
10
logcat.onLog {filter: ’*:E’},
(log) -> if log.message contains ’Exception’
trace.save
message: log.message,
time: log.timestamp,
application: apps.process(log.pid).applicationName,
topTask: apps.topTask().applicationName
www.apisense.fr

11. Inria&Lille
Bistro
70#%
30#%
100#%
100#%
Mobility#model
11
Home
Work
???
Parvis'Saint+Maurice
avenue'Halley
'2'Place'de'Béthune
www.apisense.fr

12. 12
Christophe.Ribeiro@inria.fr
Nicolas#HADERER
Romain#ROUVOY
Questions)?
www.apisense.fr