The two applications share the same database. The producer, in this case the InterAB, inserts the sensor data into the data table, as well as inserts updates into the update table as a way to notify the consuming application that new sensor data were persisted. The WbS, in the role of consumer, at any time performs the reading of update table to know whether there are or not new sensor data stored into the database shared. The Figure 4 presents the two softwares working together through update notifications in the database shared. Thus, WbS