{
  "@context": {
    "@version": 1.1,
    "schema": "https://schema.org/",
    "medidata": "https://www.medidata.com/ontology/",
    "xsd": "http://www.w3.org/2001/XMLSchema#",

    "Study": "schema:ResearchProject",
    "studyOID": "schema:identifier",
    "studyName": "schema:name",
    "protocolName": {
      "@id": "medidata:protocolName",
      "@type": "xsd:string"
    },
    "environment": {
      "@id": "medidata:environment",
      "@type": "xsd:string"
    },
    "status": "schema:status",
    "createdDate": {
      "@id": "schema:dateCreated",
      "@type": "xsd:dateTime"
    },
    "modifiedDate": {
      "@id": "schema:dateModified",
      "@type": "xsd:dateTime"
    },
    "Subject": "schema:Patient",
    "subjectKey": "schema:identifier",
    "siteID": {
      "@id": "schema:memberOf",
      "@type": "xsd:string"
    },
    "enrollmentDate": {
      "@id": "schema:startDate",
      "@type": "xsd:date"
    },
    "screeningDate": {
      "@id": "medidata:screeningDate",
      "@type": "xsd:date"
    },
    "initials": {
      "@id": "schema:additionalName",
      "@type": "xsd:string"
    },
    "ClinicalEvent": "schema:MedicalStudy",
    "eventOID": "schema:identifier",
    "eventName": "schema:name",
    "eventDate": {
      "@id": "schema:eventDate",
      "@type": "xsd:date"
    },
    "CRFForm": "schema:Observation",
    "formOID": "schema:identifier",
    "formName": "schema:name",
    "CRFField": "schema:PropertyValue",
    "fieldOID": "schema:identifier",
    "value": "schema:value",
    "dataEntryDateTime": {
      "@id": "schema:dateCreated",
      "@type": "xsd:dateTime"
    },
    "Site": "schema:Hospital",
    "siteName": "schema:name",
    "investigator": "schema:employee",
    "city": "schema:addressLocality",
    "country": "schema:addressCountry"
  }
}