json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "targetType": "document_surface1d",
      "schemaType": "NamedEntity",
      "title": "Named Entity",
      "type": "object",
      "required": [
          "schemaType",
          "_corpusID",
          "_documentID",
          "offsets"
      ],
      "properties": {
          "schemaType": {
              "type": "string",
              "description": "Schema type",
              "searchable": true,
              "searchModes": [
                  "noop"
              ],
              "locked": true
          },
          "_documentID": {
              "type": "string",
              "description": "Internal document GUID",
              "searchable": true,
              "searchModes": [
                  "noop"
              ],
              "locked": true
          },
          "_corpusID": {
              "type": "string",
              "description": "Internal Corpus GUID",
              "searchable": true,
              "searchModes": [
                  "noop"
              ],
              "locked": true
          },
          "offsets": {
              "searchable": true,
              "locked": true,
              "type": "array",
              "minItems": 1,
              "items": {
                  "type": "object",
                  "properties": {
                      "begin": {
                          "type": "integer",
                          "minimum": 0
                      },
                      "end": {
                          "type": "integer",
                          "minimum": 0
                      }
                  }
              }
          },
          "TypeNE": {
              "type": "string",
              "description": "Named entity's type.",
              "enum": [
                  "personne",
                  "lieu",
                  "organisation",
                  "autre"
              ],
              "searchable": true,
              "searchModes": [
                  "basic"
              ],
              "locked": true
          },
          "TypeEn_Wikipedia": {
              "type": "array",
              "_uniqueItems": true,
              "description": "Type of entity on Wikipedia.",
              "searchable": true,
              "searchModes": [
                  "basic"
              ],
              "locked": false,
              "minItems": 0,
              "items": {
                  "type": "string"
              }
          },
          "description": {
              "type": "string",
              "description": "Description of the named entity.",
              "searchable": true,
              "searchModes": [
                  "basic"
              ],
              "locked": false
          },
          "wikipedia": {
              "type": "string",
              "description": "Reference URL for the entityt on Wikipedia",
              "searchable": true,
              "searchModes": [
                  "basic"
              ],
              "locked": false
          }
      }
  }