The OpenIoT Approach to Sensor Mobility with Quality-Driven Data Acquisition Management - Interoperability and Open-Source Solutions for the Internet of Things - page 57

Fig. 7. Smartphone running the monitoring application connected to a wearable sensor

Fig. 7 ), while the mobile device transmits adequate readings to the CPSP engine
to notifies interested end-users about received environmental data, as well as the
QoS Manager which pushes received data into the OpenIoT Cloud Database.
Figure 8 shows the mobile device interface depicting a received air quality
alert in the geographical area where the user is currently located. Figure 8 (a)
depicts a received sensor readings on a map, while Fig. 8 (b) shows an average
sensor reading for the current area. Users can change or cancel their subscriptions
over time.

(a) Current area sub-
scription

(b) Current area aver-
age subscription

Fig. 8. Air quality alerts in the geographical area where a user is currently residing