{
  "$schema": "https://oo-ld.org/latest/meta/oold-meta-schema.json",
  "$id": "QuantityValue.schema.json",
  "x-oold-uuid": "0d241e1a-9bf9-5441-81ff-5313948143c0",
  "x-oold-version": "1.0.0",
  "title": "QuantityValue",
  "type": "object",
  "properties": {
    "type": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "default": [
        "QuantityValue"
      ]
    },
    "value": {
      "type": "number"
    },
    "unit": {
      "type": "string",
      "format": "iri-reference"
    },
    "standard_uncertainty": {
      "type": "number",
      "description": "Standard uncertainty, expressed in the unit of value (GUM convention)"
    },
    "relative_standard_uncertainty": {
      "type": "number",
      "description": "Dimensionless ratio, NOT percent; ratio-scale quantities only, undefined at value 0; redundant with standard_uncertainty (u = r * |v|), give only one"
    }
  },
  "required": [
    "value"
  ],
  "@context": {
    "@version": 1.1,
    "qudt": "http://qudt.org/schema/qudt/",
    "qunit": "http://qudt.org/vocab/unit/",
    "schema": "http://schema.org/",
    "obo": "http://purl.obolibrary.org/obo/",
    "emmo": "https://w3id.org/emmo#",
    "type": {
      "@id": "@type",
      "@container": "@set"
    },
    "QuantityValue": "qudt:QuantityValue",
    "value": "qudt:value",
    "unit": {
      "@id": "qudt:hasUnit",
      "@type": "@vocab"
    },
    "standard_uncertainty": "qudt:standardUncertainty",
    "relative_standard_uncertainty": "qudt:relativeStandardUncertainty"
  },
  "x-oold-context": {
    "value": {
      "schema:value": {
        "x-sssom": {
          "predicate_id": "skos:exactMatch",
          "mapping_set_id": "https://example.org/mappings/schemaorg"
        }
      },
      "obo:OBI_0001937": {
        "x-sssom": {
          "predicate_id": "skos:exactMatch",
          "mapping_set_id": "https://example.org/mappings/pmdco"
        }
      }
    },
    "unit": {
      "schema:unitCode": {
        "@type": "@vocab",
        "x-sssom": {
          "predicate_id": "skos:exactMatch",
          "mapping_set_id": "https://example.org/mappings/schemaorg",
          "comment": "URL branch of schema:unitCode, carrying the QUDT unit IRI"
        }
      },
      "obo:IAO_0000039": {
        "@type": "@vocab",
        "x-sssom": {
          "predicate_id": "skos:closeMatch",
          "mapping_set_id": "https://example.org/mappings/pmdco",
          "comment": "range is iao:measurement unit label; unit-label vs QUDT-IRI mapping needed"
        }
      },
      "emmo:EMMO_eeb06032_dd4f_476e_9da6_aa24302b7588": {
        "@type": "@vocab",
        "x-sssom": {
          "predicate_id": "skos:exactMatch",
          "mapping_set_id": "https://example.org/mappings/emmo",
          "object_source": "https://w3id.org/emmo",
          "object_source_version": "https://w3id.org/emmo/1.0.4",
          "comment": "hasReferencePart; pinned 1.0.4 branch snapshot (units are individuals there)"
        }
      }
    },
    "standard_uncertainty": {
      "emmo:EMMO_bba7f0f0_3707_42b9_b3fa_fd04610ef147": {
        "x-sssom": {
          "predicate_id": "skos:exactMatch",
          "mapping_set_id": "https://example.org/mappings/emmo",
          "object_source_version": "https://w3id.org/emmo/1.0.4",
          "comment": "standardUncertainty (VIM4 3.6); 1.0.4 branch only"
        }
      }
    },
    "QuantityValue": {
      "schema:QuantitativeValue": {
        "x-sssom": {
          "predicate_id": "skos:closeMatch",
          "mapping_set_id": "https://example.org/mappings/schemaorg",
          "comment": "broader: also covers intervals/ranges"
        }
      },
      "obo:OBI_0001931": {
        "x-sssom": {
          "predicate_id": "skos:exactMatch",
          "mapping_set_id": "https://example.org/mappings/pmdco"
        }
      },
      "emmo:EMMO_f658c301_ce93_46cf_9639_4eace2c5d1d5": {
        "x-sssom": {
          "predicate_id": "skos:closeMatch",
          "mapping_set_id": "https://example.org/mappings/emmo",
          "comment": "EMMO QuantityValue requires a nested numerical part (EMMO#376)"
        }
      }
    }
  }
}