{
  "@context": {
    "@vocab": "https://thingspeak.mathworks.com/vocab#",
    "schema": "http://schema.org/",
    "ssn": "http://www.w3.org/ns/ssn/",
    "sosa": "http://www.w3.org/ns/sosa/",
    "qudt": "http://qudt.org/schema/qudt/",
    "geo": "http://www.w3.org/2003/01/geo/wgs84_pos#",
    "xsd": "http://www.w3.org/2001/XMLSchema#",
    "Channel": "sosa:Platform",
    "Feed": "sosa:ObservationCollection",
    "Entry": "sosa:Observation",
    "Field": "sosa:ObservableProperty",
    "Device": "sosa:Sensor",
    "TalkBack": "schema:Action",
    "Command": "schema:ControlAction",
    "id": "schema:identifier",
    "name": "schema:name",
    "description": "schema:description",
    "created_at": {
      "@id": "schema:dateCreated",
      "@type": "xsd:dateTime"
    },
    "updated_at": {
      "@id": "schema:dateModified",
      "@type": "xsd:dateTime"
    },
    "entry_id": "schema:identifier",
    "latitude": "geo:lat",
    "longitude": "geo:long",
    "elevation": "schema:elevation",
    "field1": "sosa:hasSimpleResult",
    "field2": "sosa:hasSimpleResult",
    "field3": "sosa:hasSimpleResult",
    "field4": "sosa:hasSimpleResult",
    "field5": "sosa:hasSimpleResult",
    "field6": "sosa:hasSimpleResult",
    "field7": "sosa:hasSimpleResult",
    "field8": "sosa:hasSimpleResult",
    "status": "schema:status",
    "tags": "schema:keywords",
    "public_flag": "schema:isAccessibleForFree",
    "api_keys": "schema:accessCode",
    "channel_id": {
      "@id": "schema:isPartOf",
      "@type": "@id"
    }
  }
}