 | owl:Class |
 | Specification of data obtained by 'state-based sensors' like contact sensors, switches and buttons, etc., in contrast to 'value-based sensors' like temperature or humidity sensors that are treated with the Measurement class. Some sensors deliver a value (e.g. a levelSwitch). |
|
| Sensing |
 | saref:has value only xsd:double |
 | saref:has state min 0 s4ee:Sensor State |
 | owl:Thing |
|
| saref:has time only s4ee:Timestamp |
|
| saref:has value min 0 xsd:double |
|
| saref:has time min 0 s4ee:Timestamp |
 | s4ee:timestamp exactly 1 |
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