{
  "model": "linked-open-exhibition artwork and exhibition model",
  "version": "0.1-provisional",
  "language_defaults": {
    "label_languages": ["en", "de"],
    "title_language": "mul"
  },
  "namespaces": {
    "wikidata": "http://www.wikidata.org/entity/",
    "cidoc": "http://www.cidoc-crm.org/cidoc-crm/",
    "linked_art": "https://linked.art/ns/terms/",
    "lido": "http://www.lido-schema.org/"
  },
  "classes": [
    {
      "key": "artwork",
      "label_en": "artwork",
      "label_de": "Kunstwerk",
      "description_en": "A human-made object created as a work of art.",
      "equivalents": {
        "wikidata": "Q838948",
        "cidoc": "E22_Human-Made_Object",
        "linked_art": "HumanMadeObject",
        "lido": "lido:category = Man-made object"
      }
    },
    {
      "key": "person",
      "label_en": "person",
      "label_de": "Person",
      "description_en": "A human being, for example an artist.",
      "equivalents": {
        "wikidata": "Q5",
        "cidoc": "E21_Person",
        "linked_art": "Person",
        "lido": "lido:actorType = person"
      }
    },
    {
      "key": "exhibition",
      "label_en": "exhibition",
      "label_de": "Ausstellung",
      "description_en": "A temporary presentation of artworks at a venue.",
      "equivalents": {
        "wikidata": "Q464980",
        "cidoc": "E7_Activity",
        "linked_art": "Activity",
        "lido": "lido:eventType = Exhibition (lido00045)"
      }
    },
    {
      "key": "catalogue",
      "label_en": "catalogue",
      "label_de": "Katalog",
      "description_en": "A published catalogue, for example the book that accompanies an exhibition.",
      "equivalents": {
        "wikidata": "Q2352616",
        "cidoc": "E31_Document",
        "linked_art": "LinguisticObject"
      }
    },
    {
      "key": "organization",
      "label_en": "organization",
      "label_de": "Organisation",
      "description_en": "A publisher, museum or other institution.",
      "equivalents": {
        "wikidata": "Q43229",
        "cidoc": "E74_Group",
        "linked_art": "Group",
        "lido": "lido:actorType = corporation"
      }
    },
    {
      "key": "material",
      "label_en": "material",
      "label_de": "Material",
      "description_en": "A material an artwork is made from.",
      "equivalents": {
        "wikidata": "Q214609",
        "cidoc": "E57_Material",
        "linked_art": "Material",
        "lido": "lido:termMaterialsTech"
      }
    },
    {
      "key": "object_type",
      "label_en": "object type",
      "label_de": "Objekttyp",
      "description_en": "A type of object such as painting, drawing, print, sculpture.",
      "equivalents": {
        "wikidata": "Q151885",
        "cidoc": "E55_Type",
        "linked_art": "Type",
        "lido": "lido:objectWorkType"
      }
    },
    {
      "key": "place",
      "label_en": "place",
      "label_de": "Ort",
      "description_en": "A museum, venue or other place where artworks are held or shown.",
      "equivalents": {
        "wikidata": "Q17334923",
        "cidoc": "E53_Place",
        "linked_art": "Place",
        "lido": "lido:placeID"
      }
    }
  ],
  "properties": [
    {
      "key": "equivalent_property",
      "label_en": "equivalent property",
      "label_de": "äquivalente Eigenschaft",
      "description_en": "URL of an equivalent property or class in another schema (Wikidata, CIDOC CRM, Linked Art, LIDO).",
      "datatype": "url",
      "used_on": ["property", "class"],
      "equivalents": {}
    },
    {
      "key": "local_id",
      "label_en": "local ID",
      "label_de": "lokale ID",
      "description_en": "Identifier of the record in the source CSV files, used to make loads repeatable.",
      "datatype": "external-id",
      "used_on": ["artwork", "person", "exhibition", "catalogue", "organization", "material", "object_type", "place"],
      "equivalents": {
        "cidoc": "P1_is_identified_by (E42_Identifier)",
        "linked_art": "identified_by (Identifier)",
        "lido": "lido:lidoRecID"
      }
    },
    {
      "key": "instance_of",
      "label_en": "Type",
      "label_de": "Instanz von (Haupt-)",
      "description_en": "Main class of the artwork, usually a work of art or specific type of object.",
      "datatype": "wikibase-item",
      "used_on": ["artwork", "person", "exhibition", "catalogue", "organization", "material", "object_type", "place"],
      "equivalents": {
        "wikidata": "P31",
        "cidoc": "P2_has_type",
        "linked_art": "classified_as",
        "lido": "lido:category / lido:objectWorkType"
      }
    },
    {
      "key": "object_type",
      "label_en": "Artwork type",
      "label_de": "Objekttyp (Art des Kunstwerks)",
      "description_en": "More specific type of the artwork, such as painting, print, sculpture, or installation.",
      "datatype": "wikibase-item",
      "used_on": ["artwork"],
      "equivalents": {
        "wikidata": "P31 (narrower instance of)",
        "cidoc": "P2_has_type (E55_Type)",
        "linked_art": "classified_as",
        "lido": "lido:objectWorkType"
      }
    },
    {
      "key": "title",
      "label_en": "Title",
      "label_de": "Titel",
      "description_en": "Title of the artwork, exhibition or catalogue.",
      "datatype": "monolingualtext",
      "used_on": ["artwork", "exhibition", "catalogue"],
      "equivalents": {
        "wikidata": "P1476",
        "cidoc": "P102_has_title (E35_Title)",
        "linked_art": "identified_by (Name, classified_as title)",
        "lido": "lido:titleWrap/lido:titleSet/lido:appellationValue"
      }
    },
    {
      "key": "creator",
      "label_en": "Creator",
      "label_de": "Urheber/in",
      "description_en": "Person who made the artwork.",
      "datatype": "wikibase-item",
      "used_on": ["artwork"],
      "equivalents": {
        "wikidata": "P170",
        "cidoc": "P108i_was_produced_by > E12_Production > P14_carried_out_by",
        "linked_art": "produced_by.carried_out_by",
        "lido": "lido:eventSet (Production)/lido:eventActor"
      }
    },
    {
      "key": "inception",
      "label_en": "Date of creation",
      "label_de": "Entstehungsdatum",
      "description_en": "Date the artwork was created.",
      "datatype": "time",
      "used_on": ["artwork"],
      "equivalents": {
        "wikidata": "P571",
        "cidoc": "P108i_was_produced_by > E12_Production > P4_has_time-span",
        "linked_art": "produced_by.timespan",
        "lido": "lido:eventSet (Production)/lido:eventDate"
      }
    },
    {
      "key": "date_text",
      "label_en": "Date of creation (as stated)",
      "label_de": "Entstehungsdatum (Angabe)",
      "description_en": "Date of creation exactly as given in the source, for example 1972-73 or 1970s.",
      "datatype": "string",
      "used_on": ["artwork"],
      "equivalents": {
        "cidoc": "P3_has_note",
        "linked_art": "referred_to_by",
        "lido": "lido:eventDate/lido:displayDate"
      }
    },
    {
      "key": "object_type_text",
      "label_en": "Object type (as stated)",
      "label_de": "Objekttyp (Angabe)",
      "description_en": "Object type exactly as given in the source, for example Super-8 film loop (originally 16 mm).",
      "datatype": "string",
      "used_on": ["artwork"],
      "equivalents": {
        "cidoc": "P3_has_note",
        "linked_art": "referred_to_by",
        "lido": "lido:objectWorkType/lido:term"
      }
    },
    {
      "key": "materials_text",
      "label_en": "Materials (as stated)",
      "label_de": "Material (Angabe)",
      "description_en": "Materials and technique exactly as given in the source, for example Ink-jet on canvas; hand lettering and acrylic paint.",
      "datatype": "string",
      "used_on": ["artwork"],
      "equivalents": {
        "cidoc": "P3_has_note",
        "linked_art": "referred_to_by",
        "lido": "lido:eventMaterialsTech/lido:displayMaterialsTech"
      }
    },
    {
      "key": "main_subject",
      "label_en": "Subject",
      "label_de": "Hauptthema",
      "description_en": "Main subject or motif represented in the artwork.",
      "datatype": "wikibase-item",
      "used_on": ["artwork"],
      "equivalents": {
        "wikidata": "P921",
        "cidoc": "P129_is_about (E1_CRM_Entity)",
        "linked_art": "subject_of",
        "lido": "lido:subjectWrap/lido:subjectSet/lido:subject"
      }
    },
    {
      "key": "materials",
      "label_en": "Materials",
      "label_de": "Materialien",
      "description_en": "Material or materials used to make the artwork.",
      "datatype": "wikibase-item",
      "used_on": ["artwork"],
      "equivalents": {
        "wikidata": "P186",
        "cidoc": "P45_consists_of (E57_Material)",
        "linked_art": "made_of",
        "lido": "lido:eventMaterialsTech/lido:materialsTech"
      }
    },
    {
      "key": "made_from_material",
      "label_en": "Material",
      "label_de": "Material",
      "description_en": "Material the artwork is made from.",
      "datatype": "wikibase-item",
      "used_on": ["artwork"],
      "equivalents": {
        "wikidata": "P186",
        "cidoc": "P45_consists_of (E57_Material)",
        "linked_art": "made_of",
        "lido": "lido:eventMaterialsTech/lido:materialsTech"
      }
    },
    {
      "key": "height",
      "label_en": "Height",
      "label_de": "Höhe",
      "description_en": "Height in centimetres.",
      "datatype": "quantity",
      "used_on": ["artwork"],
      "equivalents": {
        "wikidata": "P2048",
        "cidoc": "P43_has_dimension (E54_Dimension, type height)",
        "linked_art": "dimension (classified_as height)",
        "lido": "lido:objectMeasurementsSet (measurementType height)"
      }
    },
    {
      "key": "width",
      "label_en": "Width",
      "label_de": "Breite",
      "description_en": "Width in centimetres.",
      "datatype": "quantity",
      "used_on": ["artwork"],
      "equivalents": {
        "wikidata": "P2049",
        "cidoc": "P43_has_dimension (E54_Dimension, type width)",
        "linked_art": "dimension (classified_as width)",
        "lido": "lido:objectMeasurementsSet (measurementType width)"
      }
    },
    {
      "key": "depth",
      "label_en": "Depth",
      "label_de": "Tiefe",
      "description_en": "Depth in centimetres.",
      "datatype": "quantity",
      "used_on": ["artwork"],
      "equivalents": {
        "wikidata": "P5524",
        "cidoc": "P43_has_dimension (E54_Dimension, type depth)",
        "linked_art": "dimension (classified_as depth)",
        "lido": "lido:objectMeasurementsSet (measurementType depth)"
      }
    },
    {
      "key": "inventory_number",
      "label_en": "Inventory no.",
      "label_de": "Inventarnummer",
      "description_en": "Identifier of the physical object in a collection.",
      "datatype": "string",
      "used_on": ["artwork"],
      "equivalents": {
        "wikidata": "P217",
        "cidoc": "P1_is_identified_by (E42_Identifier, type inventory number)",
        "linked_art": "identified_by (Identifier, classified_as inventory number)",
        "lido": "lido:repositorySet/lido:workID"
      }
    },
    {
      "key": "catalog_code",
      "label_en": "Catalogue no.",
      "label_de": "Katalogcode",
      "description_en": "Catalogue code or accession code associated with the artwork.",
      "datatype": "string",
      "used_on": ["artwork"],
      "equivalents": {
        "wikidata": "P528",
        "cidoc": "P1_is_identified_by (E42_Identifier)",
        "linked_art": "identified_by (Identifier)",
        "lido": "lido:workID"
      }
    },
    {
      "key": "location",
      "label_en": "location",
      "label_de": "Standort",
      "description_en": "Current location (collection or venue) of the artwork, or venue of an exhibition.",
      "datatype": "wikibase-item",
      "used_on": ["artwork", "exhibition"],
      "equivalents": {
        "wikidata": "P276",
        "cidoc": "P55_has_current_location (E53_Place)",
        "linked_art": "current_location",
        "lido": "lido:repositorySet/lido:repositoryLocation"
      }
    },
    {
      "key": "image_url",
      "label_en": "Image",
      "label_de": "Bild",
      "description_en": "URL of an image of the artwork or the catalogue cover.",
      "datatype": "url",
      "used_on": ["artwork", "catalogue"],
      "equivalents": {
        "wikidata": "P6500",
        "cidoc": "P138i_has_representation (E36_Visual_Item)",
        "linked_art": "representation (VisualItem, digitally_shown_by)",
        "lido": "lido:resourceWrap/lido:resourceSet/lido:resourceRepresentation/lido:linkResource"
      }
    },
    {
      "key": "part_of_series",
      "label_en": "Series",
      "label_de": "Teile einer Serie",
      "description_en": "Series or related group to which the artwork belongs.",
      "datatype": "wikibase-item",
      "used_on": ["artwork"],
      "equivalents": {
        "wikidata": "P179",
        "cidoc": "P108_has_produced (E65_Creation)",
        "linked_art": "part_of_series",
        "lido": "lido:relatedWorkSet/lido:relatedWork"
      }
    },
    {
      "key": "depicts",
      "label_en": "Depicted motif",
      "label_de": "Darstellt",
      "description_en": "Subject or motif depicted in the artwork.",
      "datatype": "wikibase-item",
      "used_on": ["artwork"],
      "equivalents": {
        "wikidata": "P180",
        "cidoc": "P129_is_about",
        "linked_art": "depicts",
        "lido": "lido:subjectWrap/lido:subjectSet/lido:subject"
      }
    },
    {
      "key": "iconclass",
      "label_en": "Iconclass",
      "label_de": "stellt Iconclass-Notation dar",
      "description_en": "Iconclass notation for a subject depicted in the artwork.",
      "datatype": "external-id",
      "used_on": ["artwork"],
      "equivalents": {
        "wikidata": "P1257",
        "cidoc": "P62_depicts (E55_Type, Iconclass concept)",
        "linked_art": "shows.represents (Type)",
        "lido": "lido:subjectWrap/lido:subjectSet/lido:subject/lido:subjectConcept/lido:conceptID"
      }
    },
    {
      "key": "exhibited_at",
      "label_en": "Exhibited at",
      "label_de": "Ausgestellt in",
      "description_en": "Exhibition in which the artwork was shown. Catalogue details are added as qualifiers.",
      "datatype": "wikibase-item",
      "used_on": ["artwork"],
      "equivalents": {
        "wikidata": "P608",
        "cidoc": "P9i_forms_part_of (E7_Activity)",
        "linked_art": "part_of / shown_at",
        "lido": "lido:eventSet/lido:event"
      }
    },
    {
      "key": "current_owner",
      "label_en": "Owner",
      "label_de": "Aktueller Eigentümer",
      "description_en": "Current owner or holder of the artwork.",
      "datatype": "wikibase-item",
      "used_on": ["artwork"],
      "equivalents": {
        "wikidata": "P127",
        "cidoc": "P50_has_current_keeper",
        "linked_art": "current_owner",
        "lido": "lido:repositorySet/lido:repositoryName"
      }
    },
    {
      "key": "commons_category",
      "label_en": "Commons category",
      "label_de": "Commons-Kategorie",
      "description_en": "Wikimedia Commons category that documents or illustrates the artwork.",
      "datatype": "url",
      "used_on": ["artwork"],
      "equivalents": {
        "wikidata": "P373",
        "cidoc": "P138i_has_representation",
        "linked_art": "related",
        "lido": "lido:resourceWrap/lido:resourceSet"
      }
    },
    {
      "key": "wikidata_qid",
      "label_en": "Wikidata item",
      "label_de": "Wikidata-QID",
      "description_en": "Identifier of the matching Wikidata item.",
      "datatype": "external-id",
      "used_on": ["artwork", "person", "exhibition", "catalogue", "organization", "material", "object_type", "place"],
      "equivalents": {
        "cidoc": "P1_is_identified_by (E42_Identifier) or owl:sameAs",
        "linked_art": "equivalent",
        "lido": "lido:objectID / lido:actorID / lido:conceptID (type wikidata)"
      }
    },
    {
      "key": "gnd_id",
      "label_en": "GND ID",
      "label_de": "GND-ID",
      "description_en": "Identifier in the Gemeinsame Normdatei.",
      "datatype": "external-id",
      "used_on": ["person"],
      "equivalents": {
        "wikidata": "P227",
        "cidoc": "P1_is_identified_by (E42_Identifier)",
        "linked_art": "equivalent / identified_by",
        "lido": "lido:actorID (type GND)"
      }
    },
    {
      "key": "aat_id",
      "label_en": "AAT ID",
      "label_de": "AAT-ID",
      "description_en": "Identifier in the Getty Art & Architecture Thesaurus.",
      "datatype": "external-id",
      "used_on": ["material", "object_type"],
      "equivalents": {
        "wikidata": "P1014",
        "cidoc": "P1_is_identified_by (E42_Identifier)",
        "linked_art": "equivalent",
        "lido": "lido:conceptID (type AAT)"
      }
    },
    {
      "key": "start_date",
      "label_en": "Start date",
      "label_de": "Beginn",
      "description_en": "Date the exhibition opened.",
      "datatype": "time",
      "used_on": ["exhibition"],
      "equivalents": {
        "wikidata": "P580",
        "cidoc": "P4_has_time-span > P82a_begin_of_the_begin",
        "linked_art": "timespan.begin_of_the_begin",
        "lido": "lido:eventDate/lido:date/lido:earliestDate"
      }
    },
    {
      "key": "end_date",
      "label_en": "End date",
      "label_de": "Ende",
      "description_en": "Date the exhibition closed.",
      "datatype": "time",
      "used_on": ["exhibition"],
      "equivalents": {
        "wikidata": "P582",
        "cidoc": "P4_has_time-span > P82b_end_of_the_end",
        "linked_art": "timespan.end_of_the_end",
        "lido": "lido:eventDate/lido:date/lido:latestDate"
      }
    },
    {
      "key": "catalogue_number",
      "label_en": "Catalogue number",
      "label_de": "Katalognummer",
      "description_en": "Number of the item in the exhibition catalogue. Qualifier of 'Exhibited at'.",
      "datatype": "string",
      "used_on": ["qualifier"],
      "equivalents": {
        "wikidata": "P528",
        "cidoc": "P1_is_identified_by (E42_Identifier, type catalogue number)",
        "linked_art": "identified_by (Identifier, classified_as catalogue number)",
        "lido": "lido:workID (type catalogue number)"
      }
    },
    {
      "key": "catalogue_page",
      "label_en": "Page(s)",
      "label_de": "Seite(n)",
      "description_en": "Page(s) of the exhibition catalogue on which the item is listed or reproduced. Qualifier of 'Exhibited at'.",
      "datatype": "string",
      "used_on": ["qualifier"],
      "equivalents": {
        "wikidata": "P304",
        "cidoc": "P3_has_note (E62_String, catalogue page)",
        "linked_art": "referred_to_by (LinguisticObject, classified_as page)",
        "lido": "lido:relatedWorkSet/lido:relatedWork"
      }
    },
    {
      "key": "title_as_exhibited",
      "label_en": "title as exhibited",
      "label_de": "Titel in der Ausstellung",
      "description_en": "Title under which the artwork was shown, if different from its current title. Qualifier of 'Exhibited at'.",
      "datatype": "string",
      "used_on": ["qualifier"],
      "equivalents": {
        "cidoc": "P1_is_identified_by (E35_Title) on the showing",
        "linked_art": "identified_by (Name) on the part activity",
        "lido": "lido:titleSet (type exhibited as)"
      }
    },
    {
      "key": "note",
      "label_en": "note",
      "label_de": "Anmerkung",
      "description_en": "Free-text note. Qualifier of 'Exhibited at' and 'Appears in catalogue'.",
      "datatype": "string",
      "used_on": ["qualifier"],
      "equivalents": {
        "cidoc": "P3_has_note",
        "linked_art": "referred_to_by (LinguisticObject)",
        "lido": "lido:descriptiveNoteValue"
      }
    },
    {
      "key": "subtitle",
      "label_en": "Subtitle",
      "label_de": "Untertitel",
      "description_en": "Subtitle of the catalogue as printed.",
      "datatype": "string",
      "used_on": ["catalogue"],
      "equivalents": {
        "wikidata": "P1680",
        "cidoc": "P102_has_title (E35_Title)"
      }
    },
    {
      "key": "author",
      "label_en": "Author",
      "label_de": "Autor",
      "description_en": "Person who wrote texts in the catalogue.",
      "datatype": "wikibase-item",
      "used_on": ["catalogue"],
      "equivalents": {
        "wikidata": "P50",
        "cidoc": "E39_Actor",
        "linked_art": "created_by"
      }
    },
    {
      "key": "publisher",
      "label_en": "Publisher",
      "label_de": "Verleger",
      "description_en": "Publishing house or institution that published the catalogue.",
      "datatype": "wikibase-item",
      "used_on": ["catalogue"],
      "equivalents": {
        "wikidata": "P123",
        "cidoc": "E39_Actor"
      }
    },
    {
      "key": "publication_date",
      "label_en": "Publication date",
      "label_de": "Erscheinungsdatum",
      "description_en": "Year or date when the catalogue was published.",
      "datatype": "time",
      "used_on": ["catalogue"],
      "equivalents": {
        "wikidata": "P577",
        "cidoc": "E52_Time-Span"
      }
    },
    {
      "key": "isbn13",
      "label_en": "ISBN-13",
      "label_de": "ISBN-13",
      "description_en": "13-digit International Standard Book Number.",
      "datatype": "external-id",
      "used_on": ["catalogue"],
      "equivalents": {
        "wikidata": "P212",
        "cidoc": "E42_Identifier"
      }
    },
    {
      "key": "dnb_edition_id",
      "label_en": "DNB edition ID",
      "label_de": "DNB-Nummer",
      "description_en": "Identifier (IDN) of the catalogue record in the German National Library.",
      "datatype": "external-id",
      "used_on": ["catalogue"],
      "equivalents": {
        "wikidata": "P1292",
        "cidoc": "E42_Identifier"
      }
    },
    {
      "key": "described_at_url",
      "label_en": "Described at URL",
      "label_de": "Beschrieben unter URL",
      "description_en": "Web page that describes the catalogue, for example its record in the German National Library.",
      "datatype": "url",
      "used_on": ["catalogue"],
      "equivalents": {
        "wikidata": "P973",
        "cidoc": "E42_Identifier"
      }
    },
    {
      "key": "catalogue_of",
      "label_en": "Catalogue of",
      "label_de": "Katalog zu",
      "description_en": "Exhibition that the catalogue documents. Inverse of 'Exhibition catalogue'.",
      "datatype": "wikibase-item",
      "used_on": ["catalogue"],
      "equivalents": {
        "wikidata": "P921",
        "cidoc": "P70_documents",
        "linked_art": "about"
      }
    },
    {
      "key": "exhibition_catalogue",
      "label_en": "Exhibition catalogue",
      "label_de": "Ausstellungskatalog",
      "description_en": "Catalogue that documents the exhibition. Inverse of 'Catalogue of'.",
      "datatype": "wikibase-item",
      "used_on": ["exhibition"],
      "equivalents": {
        "wikidata": "P1343",
        "cidoc": "P70i_is_documented_in",
        "linked_art": "subject_of"
      }
    },
    {
      "key": "appears_in_catalogue",
      "label_en": "Appears in catalogue",
      "label_de": "Kommt im Katalog vor",
      "description_en": "Catalogue in which the artwork appears, for example the catalogue the record was taken from. Optional qualifiers give the scan page and region so that the extraction can be reviewed.",
      "datatype": "wikibase-item",
      "used_on": ["artwork"],
      "equivalents": {
        "wikidata": "P1343",
        "cidoc": "P70i_is_documented_in",
        "linked_art": "referred_to_by"
      }
    },
    {
      "key": "scan_page",
      "label_en": "Scan page",
      "label_de": "Scanseite",
      "description_en": "Sequence number of the scanned page (first scan page = 1) on which the artwork was found. Not the printed page number. Qualifier of 'Appears in catalogue'.",
      "datatype": "string",
      "used_on": ["qualifier"],
      "equivalents": {
        "cidoc": "P3_has_note (E62_String, scan page)",
        "linked_art": "part_of (Canvas)"
      }
    },
    {
      "key": "scan_region",
      "label_en": "Scan region",
      "label_de": "Scanbereich",
      "description_en": "Rectangle on the scanned page where the entry is, as a W3C Media Fragment, for example xywh=percent:10,20,40,8 (x, y, width, height in percent of the page). Qualifier of 'Appears in catalogue'.",
      "datatype": "string",
      "used_on": ["qualifier"],
      "equivalents": {
        "cidoc": "P3_has_note (E62_String, region)",
        "linked_art": "FragmentSelector"
      }
    },
    {
      "key": "extraction_method",
      "label_en": "Extraction method",
      "label_de": "Extraktionsmethode",
      "description_en": "How the entry was found, for example 'plan-c qwen3-vl:8b', 'plan-b hocr' or 'manual'. Qualifier of 'Appears in catalogue'.",
      "datatype": "string",
      "used_on": ["qualifier"],
      "equivalents": {
        "cidoc": "P3_has_note (E62_String, method)"
      }
    },
    {
      "key": "review_status",
      "label_en": "Review status",
      "label_de": "Prüfstatus",
      "description_en": "Result of the manual check: unreviewed, confirmed, corrected or rejected. Qualifier of 'Appears in catalogue'.",
      "datatype": "string",
      "used_on": ["qualifier"],
      "equivalents": {
        "cidoc": "P3_has_note (E62_String, review status)"
      }
    }
  ]
}
