Table 3.

The object properties, domain, range, and the description of main object properties.

Object Property	Domain	Range	Description
sosa: madeObservation	sosa: Sensor	sosa: Observation	Relation between a Sensor and an Observation made by the Sensor
sosa:resultTime	sosa:Observation	xsd:dateTime	The instant of time when the Observation activity was completed
sosa:observes	sosa:Sensor	sosa:ObservableProperty	Relation between a Sensor and an ObservableProperty; capable of sensing
sosa:observedProperty	sosa:Observation	sosa:ObservableProperty	Relation linking an Observation to the ObservableProperty that was observed.
sosa:hasSimpleResult	sosa:Observation	value	The simple value of an Observation