| SSN | Semantic Sensor Network |
| SOSA | Sensor, Observation, Sample, Actuator |
| QoD | Quality of data |
| QoS | Quality of Sensing |
| IoT | Internet of Things |
| IIoT | Industrial Internet of Things |
| DCC | Digital Calibration Certificate |
| CQ | Competency Question |
| SI | Système international (d’unités) |
| VIM | Vocabulaire International de Métrologie |
| D-SI | Digital SI |
| IRI | Internationalized Resource Identifier |
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