{
  "@context": {
    "@version": 1.1,
    "schema": "https://schema.org/",
    "c8y": "https://cumulocity.com/vocab#",
    "saref": "https://saref.etsi.org/core/",
    "ssn": "http://www.w3.org/ns/ssn/",
    "sosa": "http://www.w3.org/ns/sosa/",
    "xsd": "http://www.w3.org/2001/XMLSchema#",

    "ManagedObject": {
      "@id": "c8y:ManagedObject",
      "@type": "@id"
    },
    "Device": {
      "@id": "saref:Device",
      "@type": "@id"
    },
    "Sensor": {
      "@id": "sosa:Sensor",
      "@type": "@id"
    },
    "Actuator": {
      "@id": "sosa:Actuator",
      "@type": "@id"
    },
    "Measurement": {
      "@id": "sosa:Observation",
      "@type": "@id"
    },
    "Event": {
      "@id": "c8y:Event",
      "@type": "@id"
    },
    "Alarm": {
      "@id": "c8y:Alarm",
      "@type": "@id"
    },
    "Operation": {
      "@id": "c8y:Operation",
      "@type": "@id"
    },
    "AssetModel": {
      "@id": "c8y:AssetModel",
      "@type": "@id"
    },
    "AssetInstance": {
      "@id": "c8y:AssetInstance",
      "@type": "@id"
    },

    "id": "@id",
    "self": {"@id": "schema:url", "@type": "xsd:anyURI"},
    "name": "schema:name",
    "type": "@type",
    "description": "schema:description",
    "owner": "c8y:owner",

    "creationTime": {"@id": "schema:dateCreated", "@type": "xsd:dateTime"},
    "lastUpdated": {"@id": "schema:dateModified", "@type": "xsd:dateTime"},
    "time": {"@id": "sosa:resultTime", "@type": "xsd:dateTime"},
    "firstOccurrenceTime": {"@id": "c8y:firstOccurrenceTime", "@type": "xsd:dateTime"},

    "source": {"@id": "sosa:madeBySensor", "@type": "@id"},
    "text": "schema:description",

    "severity": {
      "@id": "c8y:severity",
      "@type": "@vocab",
      "@context": {
        "CRITICAL": "c8y:Critical",
        "MAJOR": "c8y:Major",
        "MINOR": "c8y:Minor",
        "WARNING": "c8y:Warning"
      }
    },
    "status": {
      "@id": "c8y:status",
      "@type": "@vocab",
      "@context": {
        "ACTIVE": "c8y:Active",
        "ACKNOWLEDGED": "c8y:Acknowledged",
        "CLEARED": "c8y:Cleared",
        "PENDING": "c8y:Pending",
        "EXECUTING": "c8y:Executing",
        "SUCCESSFUL": "c8y:Successful",
        "FAILED": "c8y:Failed"
      }
    },

    "childDevices": {"@id": "ssn:hasSubSystem", "@container": "@set"},
    "childAssets": {"@id": "c8y:hasChildAsset", "@container": "@set"},
    "deviceParents": {"@id": "c8y:hasDeviceParent", "@container": "@set"},
    "assetParents": {"@id": "c8y:hasAssetParent", "@container": "@set"},

    "c8y_Hardware": "c8y:hardware",
    "c8y_Firmware": "c8y:firmware",
    "c8y_Mobile": "c8y:mobile",
    "c8y_Position": "c8y:position",
    "c8y_Availability": "c8y:availability",
    "c8y_RequiredAvailability": "c8y:requiredAvailability",
    "c8y_SupportedOperations": "c8y:supportedOperations",
    "c8y_SupportedMeasurements": "c8y:supportedMeasurements",
    "c8y_IsDevice": "c8y:isDevice",
    "c8y_IsDeviceGroup": "c8y:isDeviceGroup"
  }
}