An Extensible Data Enrichment Scheme for Providing Intelligent Services in Internet of Things Environments

Table 4

Details for access information entities in ThingsMetadata.

Product figure
Product name	Samsung galaxy gear 2	Turtlebot 3
Entity name	Gear_ConferenceRoomA	Turtlebot1_ConferenceRoomA
Device type	Access, sensor, user	Access, robot
Manufacturer	Samsung electronics	Robotis
Owner	UserA	UserA
Access method	IPv4	IPv4
Access address	192.168.15.10	192.168.15.152
Service name	Service_Touch1	Echo_State/Position_State/Robot_Move
Service param	N/A (user interaction)	Null/Null/struct coordinates
Service return type	Integer	Integer/Integer/Integer
Data enrichment	Low-level context to situational relationships
Transforming rules	• true: RUN_TeaServ1 • FALSE: STOP_TeaServ1	Each column prints one of states below
		State_READY(20) State_TOHOME(21) State_MOVING(22)	Position_HOME(10) Posision_Seat#(#)	Change states
Product figure
Product name	IR proximity sensor -sharp GP2Y0A41SK0F	Serving plate prototype
Entity name	Robot_Turtlebot_IRSensor# (# indicates number)	Robot_Turtlebot_Serving
Device type	Access, sensor	Access, DataInfo
Manufacturer	Sharp	N/A
Owner	UserA	UserA
Access method	Others	IPv4
Access address	PIN addr	192.168.0.103
Service name	IRSensor_State	Serving_State
Service param	Null	4 integer values from Robot_Turtlebot_IRSensor#
Service return type	Integer	Integer
Data enrichment	Raw to situational relationships	Low-level context to situational relationships
Converting/Transforming rules	Converting rules 1309/((RawData/4) - 3) cmTransforming rules	Transforming rules
	• INIT: CUP_EMPTY	• INIT: SERVING_EMPTY
	• true: Resultconvert > 5 =>CUP_TAKEN	• true: CUP_TAKENi > 0, then, SERVING_TAKEN
	• FALSE: CUP_READY	• FALSE: SERVING_READY
Notes	Four sensors are attached into Robot_Turtlebot_Serving	Manually assembled, a control motherboard are attached into Turtlebot_ConferenceRoomA