{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "Entity",
  "description": "The candidate entities that an entity mention could link to.",
  "properties": {
    "entityId": {
      "description": "entity_id is a first class field entity_id uniquely identifies this concept and its meta-vocabulary. For example, \"UMLS/C0000970\".",
      "type": "string"
    },
    "preferredTerm": {
      "description": "preferred_term is the preferred term for this concept. For example, \"Acetaminophen\". For ad hoc entities formed by normalization, this is the most popular unnormalized string.",
      "type": "string"
    },
    "vocabularyCodes": {
      "description": "Vocabulary codes are first-class fields and differentiated from the concept unique identifier (entity_id). vocabulary_codes contains the representation of this concept in particular vocabularies, such as ICD-10, SNOMED-CT and RxNORM. These are prefixed by the name of the vocabulary, followed by the unique code within that vocabulary. For example, \"RXNORM/A10334543\".",
      "items": {
        "type": "string"
      },
      "type": "array"
    }
  },
  "type": "object"
}