{
  "@context": {
    "@version": 1.1,
    "schema": "https://schema.org/",
    "owl": "http://www.w3.org/2002/07/owl#",
    "rdfs": "http://www.w3.org/2000/01/rdf-schema#",
    "skos": "http://www.w3.org/2004/02/skos/core#",
    "emerson": "https://www.emerson.com/vocab/",
    "iot": "https://www.w3.org/ns/sosa/",
    "qudt": "http://qudt.org/schema/qudt/",

    "Organization": "schema:Organization",
    "name": "schema:name",
    "url": "schema:url",
    "description": "schema:description",
    "industry": "schema:industry",
    "foundingDate": "schema:foundingDate",
    "legalName": "schema:legalName",
    "sameAs": "schema:sameAs",

    "AutomationSystem": {
      "@id": "emerson:AutomationSystem",
      "@type": "owl:Class",
      "rdfs:comment": "A distributed control system or automation platform such as DeltaV"
    },
    "ProcessController": {
      "@id": "emerson:ProcessController",
      "@type": "owl:Class",
      "rdfs:comment": "A hardware or software unit that manages a continuous industrial process"
    },
    "Sensor": {
      "@id": "iot:Sensor",
      "rdfs:comment": "A device that observes a property of a feature of interest (e.g. pressure, temperature, flow)"
    },
    "Measurement": {
      "@id": "iot:Observation",
      "rdfs:comment": "A single reading produced by a sensor at a given point in time"
    },
    "Transmitter": {
      "@id": "emerson:Transmitter",
      "@type": "owl:Class",
      "rdfs:comment": "An instrument that measures a process variable and transmits a signal to a control system"
    },
    "ControlValve": {
      "@id": "emerson:ControlValve",
      "@type": "owl:Class",
      "rdfs:comment": "A valve used to control process fluid flow, pressure, or temperature (e.g. Fisher brand)"
    },
    "FlowMeter": {
      "@id": "emerson:FlowMeter",
      "@type": "owl:Class",
      "rdfs:comment": "A device that measures the volumetric or mass flow rate of a fluid (e.g. Micro Motion Coriolis)"
    },
    "AssetTag": {
      "@id": "emerson:AssetTag",
      "@type": "owl:Class",
      "rdfs:comment": "A unique identifier assigned to a field instrument or plant asset in an asset management system"
    },
    "PlantArea": {
      "@id": "emerson:PlantArea",
      "@type": "owl:Class",
      "rdfs:comment": "A logical or physical subdivision of an industrial facility (unit, train, section)"
    },
    "DiagnosticAlert": {
      "@id": "emerson:DiagnosticAlert",
      "@type": "owl:Class",
      "rdfs:comment": "An advisory or alarm generated by a field device or DCS indicating abnormal condition or maintenance need"
    },
    "FirmwareVersion": {
      "@id": "emerson:FirmwareVersion",
      "@type": "owl:DatatypeProperty",
      "rdfs:comment": "Version string identifying the firmware running on a field device"
    },
    "TagNumber": {
      "@id": "emerson:TagNumber",
      "@type": "owl:DatatypeProperty",
      "rdfs:comment": "Instrument tag identifier following ISA-5.1 naming conventions"
    },
    "ProcessVariable": {
      "@id": "emerson:ProcessVariable",
      "@type": "owl:DatatypeProperty",
      "rdfs:comment": "The measured quantity (e.g. pressure, temperature, level, flow) reported by an instrument"
    },
    "EngineeringUnit": {
      "@id": "qudt:Unit",
      "rdfs:comment": "The unit of measure associated with a process variable (e.g. bar, degC, kg/h)"
    },
    "DeviceStatus": {
      "@id": "emerson:DeviceStatus",
      "@type": "owl:DatatypeProperty",
      "rdfs:comment": "Operational status of a field device (Good, Bad, Uncertain per NAMUR NE 107)"
    }
  }
}