id: https://nde.nl/ontology/hc/class/StorageUnit name: storage_unit_class title: Storage Unit Class prefixes: linkml: https://w3id.org/linkml/ hc: https://nde.nl/ontology/hc/ crm: http://www.cidoc-crm.org/cidoc-crm/ schema: http://schema.org/ dcterms: http://purl.org/dc/terms/ wd: http://www.wikidata.org/entity/ aat: http://vocab.getty.edu/aat/ default_prefix: hc imports: - linkml:types - ./Storage - ../enums/StorageUnitTypeEnum - ../slots/unit_name - ../slots/unit_type - ../slots/capacity_item - ../slots/bay_number - ../slots/box_number - ../slots/current_item_count - ../slots/drawer_number - ../slots/part_of_storage - ../slots/part_of_zone - ../slots/row_number - ../slots/shelf_number - ../slots/specificity_annotation - ../slots/stores_object - ../slots/template_specificity - ../slots/unit_description - ../slots/unit_id - ../slots/unit_identifier - ../slots/valid_from - ../slots/valid_to - ./EnvironmentalZone - ./SpecificityAnnotation - ./TemplateSpecificityScores classes: StorageUnit: class_uri: hc:StorageUnit description: "An individual storage compartment, shelf, cabinet, drawer, or other\n\ discrete unit where heritage objects are physically placed.\n\n**DEFINITION**:\n\ \nStorageUnit represents the lowest level of spatial organization for\nobject\ \ storage within a heritage institution. This is where physical\nobjects are\ \ actually located. Examples include:\n- Archive boxes on shelves\n- Flat file\ \ drawers for maps/prints\n- Museum storage cabinets\n- Hanging racks for textiles\n\ - Specimen cabinets for natural history\n\n**Wikidata Alignment**:\n- Q1186447\ \ (storage unit)\n- Q854619 (archive box)\n\n**HC Ontology Extension (hc-storage.ttl)**:\n\ \nPrimary class: `hc:StorageUnit` (subclass of `crm:E27_Site`)\n\nThe HC ontology\ \ provides:\n- Named individuals for common storage unit types:\n - `hc:ArchiveBox`\ \ - Acid-free boxes for archival materials\n - `hc:FlatFileDrawer` - Drawers\ \ for oversized flat materials\n - `hc:HangingRack` - Racks for textiles/paintings\n\ \ - `hc:CompactShelving` - Mobile shelving systems\n - `hc:SpecimenCabinet`\ \ - Cabinets for specimens/artifacts\n - `hc:ColdStorageVault` - Refrigerated\ \ storage\n\nKey HC properties for storage units:\n- `hc:storageUnitIdentifier`\ \ - Local ID/barcode\n- `hc:storageUnitType` - Type classification\n- `hc:rowNumber`\ \ - Row/aisle identifier\n- `hc:bayNumber` - Bay/section within row\n- `hc:shelfNumber`\ \ - Shelf level within bay\n- `hc:isStorageSectionOf` - Link to parent facility/zone\n\ - `hc:currentlyStores` - Objects in this unit\n\nSee: `frontend/public/ontology/hc-storage.ttl`\n\ \n**CIDOC-CRM Alignment (v7.1.3)**:\n\nBase class: `crm:E27_Site` - Storage\ \ units are physical locations.\n\nHierarchy: Uses P59 has section / P59i is\ \ located on or within\nto model the containment relationship:\n```\nStorageFacility\n\ \ └── P59 has_section → EnvironmentalZone\n └── P59 has_section → StorageUnit\ \ (row/bay/shelf)\n └── P55 currently_holds → E18_Physical_Thing\n\ ```\n\n**RELATIONSHIP TO OTHER CLASSES**:\n\n```\nStorage (facility)\n │\n\ \ ├── has_section → EnvironmentalZone[]\n │ └── has_section → StorageUnit[]\ \ (THIS CLASS)\n │ ├── unit_type (StorageUnitTypeEnum)\n │ \ \ ├── row_number, bay_number, shelf_number\n │ ├── stores_objects\ \ → HeritageObject[]\n │ └── part_of → EnvironmentalZone | Storage\n\ \ │\n └── stores_collections → CustodianCollection[]\n```\n\n**USE CASES**:\n\ \n1. **Archive Box Location**:\n - unit_type: ARCHIVE_BOX\n - row_number:\ \ \"A\", bay_number: \"12\", shelf_number: 3\n - stores_objects: [document_123,\ \ document_456]\n \n2. **Flat File Drawer**:\n - unit_type: FLAT_FILE_DRAWER\n\ \ - unit_identifier: \"FF-MAP-0042\"\n - stores_objects: [map_1890_netherlands,\ \ blueprint_123]\n \n3. **Mobile Shelving Bay**:\n - unit_type: COMPACT_SHELVING\n\ \ - row_number: \"12\", bay_number: \"C\"\n - part_of: [depot_a_zone_1]\n" exact_mappings: - hc:StorageUnit - crm:E27_Site - wikidata:Q1186447 close_mappings: - aat:300038892 related_mappings: - hc:StorageFacility - hc:EnvironmentalZone - schema:Place slots: - bay_number - box_number - capacity_item - current_item_count - drawer_number - part_of_storage - part_of_zone - row_number - shelf_number - specificity_annotation - stores_object - template_specificity - unit_description - unit_id - unit_identifier - unit_name - unit_type - valid_from - valid_to slot_usage: unit_id: slot_uri: dcterms:identifier description: | Unique identifier for this storage unit. Format: URI following NDE Heritage Custodian ontology conventions. range: uriorcurie required: true identifier: true examples: - value: https://nde.nl/ontology/hc/unit/na-depot-a-r12-b3-s4 description: National Archives Depot A, Row 12, Bay 3, Shelf 4 unit_identifier: slot_uri: hc:storageUnitIdentifier description: | Local identifier, barcode, or inventory number for this unit. HC Ontology: `hc:storageUnitIdentifier` This is the identifier used internally by the institution, distinct from the global URI identifier. range: string examples: - value: BOX-2024-00145 - value: FF-MAPS-042 - value: RACK-TEXT-A12 unit_name: slot_uri: crm:P87_is_identified_by description: | Human-readable name or label for this storage unit. CIDOC-CRM: P87 is identified by links place to appellation. range: string examples: - value: Archive Box 145 - WWII Correspondence - value: Map Drawer 42 - Netherlands 19th Century unit_type: slot_uri: hc:storageUnitType description: | Type of storage unit from StorageUnitTypeEnum. HC Ontology: `hc:storageUnitType` links to crm:E55_Type. Common types with HC named individuals: - ARCHIVE_BOX → hc:ArchiveBox - FLAT_FILE_DRAWER → hc:FlatFileDrawer - HANGING_RACK → hc:HangingRack - COMPACT_SHELVING → hc:CompactShelving - SPECIMEN_CABINET → hc:SpecimenCabinet - COLD_STORAGE_VAULT → hc:ColdStorageVault range: StorageUnitTypeEnum required: true unit_description: slot_uri: dcterms:description description: | Free-text description of this storage unit. Include: - Contents or purpose - Special handling requirements - Access restrictions range: string row_number: slot_uri: hc:rowNumber description: | Row or aisle identifier within the storage area. HC Ontology: `hc:rowNumber` range: string examples: - value: A - value: '12' - value: North-3 bay_number: slot_uri: hc:bayNumber description: | Bay or section identifier within a row. HC Ontology: `hc:bayNumber` range: string examples: - value: '3' - value: C shelf_number: slot_uri: hc:shelfNumber description: | Shelf level within a bay (often numbered from bottom). HC Ontology: `hc:shelfNumber` range: integer examples: - value: 4 description: Fourth shelf from bottom drawer_number: slot_uri: schema:position description: | Drawer number within a flat file or cabinet. range: integer examples: - value: 3 box_number: slot_uri: schema:position description: | Box number or position on a shelf. range: integer examples: - value: 12 capacity_item: slot_uri: schema:value description: | Maximum number of items this unit can hold. range: integer current_item_count: slot_uri: schema:value description: | Current number of items stored in this unit. range: integer part_of_storage: slot_uri: hc:isStorageSectionOf description: | The parent storage facility containing this unit. HC Ontology: `hc:isStorageSectionOf` (inverse of `hc:hasStorageSection`) range: Storage part_of_zone: slot_uri: hc:isStorageSectionOf description: | The environmental zone containing this unit. HC Ontology: `hc:isStorageSectionOf` (inverse of `hc:hasStorageSection`) range: EnvironmentalZone stores_object: slot_uri: hc:currentlyStores description: | Heritage objects currently stored in this unit. HC Ontology: `hc:currentlyStores` (extends crm:P55) Links to specific heritage objects (not collections). range: string multivalued: true inlined_as_list: true comments: - Range should be HeritageObject when that class is defined valid_from: slot_uri: schema:validFrom description: | Date when this storage unit was put into service. range: date valid_to: slot_uri: schema:validThrough description: | Date when this storage unit was decommissioned. NULL if still active. range: date specificity_annotation: range: SpecificityAnnotation inlined: true template_specificity: range: TemplateSpecificityScores inlined: true comments: - StorageUnit is the lowest level of spatial organization - Objects are stored IN units, which are IN zones, which are IN facilities - 'Use hc: ontology properties for precise semantic mapping' - Row/bay/shelf numbers follow institution's internal conventions see_also: - https://nde.nl/ontology/hc/StorageUnit - http://vocab.getty.edu/aat/300038892 - https://www.wikidata.org/wiki/Q1186447 examples: - value: unit_id: https://nde.nl/ontology/hc/unit/na-depot-a-r12-b3-s4 unit_identifier: NA-2024-BOX-00145 unit_name: Archive Box 145 - WWII Ministry Records unit_type: ARCHIVE_BOX unit_description: | Acid-free archive box containing Ministry of Defense correspondence from 1940-1945. Handle with care. row_number: '12' bay_number: '3' shelf_number: 4 part_of_zone: https://nde.nl/ontology/hc/zone/na-depot-a-standard valid_from: '2020-03-15' description: Archive box in National Archives depot - value: unit_id: https://nde.nl/ontology/hc/unit/rm-depot-ff-042 unit_identifier: FF-MAPS-042 unit_name: Flat File Drawer 42 - Netherlands Maps unit_type: FLAT_FILE_DRAWER unit_description: | Flat file drawer containing oversized maps of the Netherlands, 1850-1920. Climate-controlled environment. drawer_number: 42 capacity_items: 50 current_item_count: 38 part_of_storage: https://nde.nl/ontology/hc/storage/rm-depot-prints description: Flat file drawer for maps slots: unit_id: description: Unique identifier for storage unit range: uriorcurie unit_identifier: description: Local barcode/inventory number range: string unit_description: description: Description of storage unit range: string row_number: description: Row/aisle identifier range: string bay_number: description: Bay/section identifier range: string shelf_number: description: Shelf level number range: integer drawer_number: description: Drawer number range: integer box_number: description: Box position number range: integer current_item_count: description: Current number of items stored in this unit range: integer part_of_storage: description: Parent storage facility range: Storage part_of_zone: description: Parent environmental zone range: EnvironmentalZone stores_object: description: Objects stored in this unit range: string multivalued: true