Design and Implementation of a Cloud-Based Platform for Unleashing the Personal and Communal Internet of Things

Box 1

Example of an entity data model structure.

"contextElements":

"id": "platformInstance01:sensor:weatherStation:device01",

"type": "weatherStation",

"isPattern": "false",

"attributes":

"name": "AirTemperature",

"value": "24",

"type": "http://purl.org/iot/vocab/m3-lite#AirTemperature",

"metadatas":

"name": "uom",

"value": "Celsius",

"type": "http://purl.org/iot/vocab/m3-lite#DegreeCelsius"

,

"name": "RelativeHumidity",

"value": "73",

"type": "http://purl.org/iot/vocab/m3-lite#RelativeHumidity",

"metadatas":

"name": "uom",

"value": "Percent",

"type": "http://purl.org/iot/vocab/m3-lite#Percent"