508 lines
22 KiB
YAML
508 lines
22 KiB
YAML
id: https://nde.nl/ontology/hc/class/InternetOfThings
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name: internet_of_things_class
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title: InternetOfThings Class
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imports:
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- linkml:types
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- ./Custodian
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- ./CustodianObservation
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- ./ReconstructionActivity
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- ./TimeSpan
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- ./CustodianPlace
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# MIGRATED 2026-01-25: DigitalPresenceTypeEnum → DeviceType class hierarchy (Rule 53)
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# - ../enums/DigitalPresenceTypeEnum # REMOVED - replaced by DeviceType hierarchy
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- ../slots/has_or_had_api_endpoint
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- ./ReconstructedEntity
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- ../slots/connectivity_type
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- ../slots/coverage_area
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- ./OutputData
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- ./DataFormat
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- ../slots/has_or_had_output
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# REMOVED 2026-01-22: data_format migrated to has_or_had_output + OutputData (Rule 53)
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- ../slots/is_or_was_decommissioned_at # was: decommission_date - migrated per Rule 53 (2026-01-23)
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- ./Timestamp # Range for is_or_was_decommissioned_at
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# MIGRATED 2026-01-25: device_count → has_or_had_quantity + Quantity (Rule 53)
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- ../slots/has_or_had_quantity
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- ../slots/has_or_had_unit
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- ./Quantity
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- ./Unit
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# MIGRATED 2026-01-25: device_id → has_or_had_identifier + Identifier (Rule 53)
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- ../slots/has_or_had_identifier
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- ./Identifier
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# MIGRATED 2026-01-25: device_manufacturer → is_or_was_created_by + Manufacturer (Rule 53)
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- ../slots/is_or_was_created_by
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- ./Manufacturer
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# MIGRATED 2026-01-25: device_model → has_or_had_model + Model (Rule 53)
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- ../slots/has_or_had_model
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- ./Model
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# MIGRATED 2026-01-25: device_name → has_or_had_label + Label (Rule 53)
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- ../slots/has_or_had_label
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- ./Label
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# MIGRATED 2026-01-25: device_type → is_or_was_instantiated_by + IoTDevice + DeviceType hierarchy (Rule 53)
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- ../slots/is_or_was_instantiated_by
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- ./IoTDevice
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- ./DeviceType
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- ./DeviceTypes
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- ../slots/installation_date
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- ../slots/installed_at_place
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- ../slots/maintenance_schedule
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- ../slots/operational_status
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- ../slots/power_source
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- ../slots/publishes_to
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- ../slots/purpose
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- ../slots/refers_to_custodian
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- ../slots/specificity_annotation
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- ../slots/has_or_had_specification # was: technical_specification - migrated per Rule 53 (2026-01-15)
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- ../slots/has_or_had_score # was: template_specificity - migrated per Rule 53 (2026-01-17)
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- ../slots/temporal_extent
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- ../slots/has_or_had_frequency
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- ./UpdateFrequency
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- ../slots/is_or_was_derived_from # was: was_derived_from - migrated per Rule 53
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- ../slots/is_or_was_generated_by # was: was_generated_by - migrated per Rule 53
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- ./SpecificityAnnotation
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- ./TemplateSpecificityScore # was: TemplateSpecificityScores - migrated per Rule 53 (2026-01-17)
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- ./TemplateSpecificityType
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- ./TemplateSpecificityTypes
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prefixes:
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linkml: https://w3id.org/linkml/
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hc: https://nde.nl/ontology/hc/
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schema: http://schema.org/
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sosa: http://www.w3.org/ns/sosa/
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ssn: http://www.w3.org/ns/ssn/
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dcterms: http://purl.org/dc/terms/
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prov: http://www.w3.org/ns/prov#
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crm: http://www.cidoc-crm.org/cidoc-crm/
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geosparql: http://www.opengis.net/ont/geosparql#
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wd: http://www.wikidata.org/entity/
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default_prefix: hc
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classes:
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InternetOfThings:
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is_a: ReconstructedEntity
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class_uri: sosa:Platform
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description: "Physical device with digital connectivity used by a heritage custodian\nto enhance visitor experience, monitor\
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\ conditions, or provide services.\n\n**WHY IOT CLASS?**\n\nModern heritage institutions increasingly deploy IoT devices:\n\
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- **Beacons**: Location-based triggers for mobile apps\n- **Kiosks**: Interactive information terminals\n- **Sensors**:\
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\ Environmental monitoring (climate, light, visitor counts)\n- **Displays**: Digital signage, interactive screens\n\n\
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These are a form of DIGITAL PRESENCE that bridges physical and digital worlds.\n\n**RELATIONSHIP TO OTHER DIGITAL PRESENCE\
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\ TYPES**:\n\n```\nDigital Presence Hierarchy:\n\nDigitalPlatform (PRIMARY - websites)\n │\n └── AuxiliaryDigitalPlatform\
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\ (SECONDARY - project sites)\n\nSocialMediaProfile (THIRD-PARTY - external platforms)\n\nInternetOfThings (PHYSICAL-DIGITAL\
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\ - in-venue devices) ← THIS CLASS\n```\n\n**SOSA/SSN ALIGNMENT**:\n\nW3C Semantic Sensor Network (SSN) and Sensor,\
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\ Observation, Sample, \nand Actuator (SOSA) ontologies provide the semantic foundation:\n\n- `sosa:Platform` - Entity\
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\ hosting sensors/systems (building, room, beacon)\n- `sosa:Sensor` - Device that observes properties\n- `sosa:Observation`\
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\ - Act of observing a property\n- `ssn:System` - System comprising multiple components\n\n**USE CASES**:\n\n1. **Visitor\
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\ Experience Enhancement**:\n - Bluetooth beacons trigger app content near artworks\n - NFC tags on object labels\
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\ for detailed information\n - Interactive kiosks for self-guided exploration\n \n2. **Environmental Monitoring**:\n\
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\ - Climate sensors (temperature, humidity) for conservation\n - Light level sensors to protect sensitive materials\n\
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\ - Air quality monitoring in storage areas\n \n3. **Visitor Analytics**:\n - People counters at entrances\n \
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\ - Heat maps of gallery traffic\n - Dwell time sensors near exhibits\n \n4. **Digital Signage**:\n - Rotating\
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\ information displays\n - Exhibition schedules\n - Wayfinding screens\n\n**EXAMPLE - Museum with IoT Devices**:\n\
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\n```yaml\nCustodian:\n hc_id: \"https://nde.nl/ontology/hc/nl-nh-ams-m-rm-q190804\"\n preferred_label: \"Rijksmuseum\"\
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\n iot_devices:\n - device_id: \".../iot/rijksmuseum-beacon-gallery-1\"\n device_name: \"Gallery of Honour\
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\ Beacon Network\"\n device_type: IOT_BEACON\n device_count: 24\n coverage_area: \"Gallery of Honour\
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\ (main wing)\"\n purpose: \"Proximity triggers for mobile app content\"\n \n - device_id: \".../iot/rijksmuseum-climate-monitor\"\
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\n device_name: \"Conservation Climate Monitoring\"\n device_type: IOT_SENSOR\n device_count: 150\n \
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\ coverage_area: \"All galleries and storage\"\n purpose: \"Temperature and humidity monitoring for preservation\"\
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\n publishes_to: \"https://dashboard.rijksmuseum.nl/climate\"\n```\n\n**TEMPORAL CONSIDERATIONS**:\n\nIoT devices\
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\ have installation/decommissioning dates:\n- Beacons may be temporary for exhibitions\n- Sensors may be upgraded/replaced\n\
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- Kiosks may be moved between venues\n\n**NOT INCLUDED**:\n\n- Smartphones/tablets (user devices, not custodian-owned)\n\
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- Standard IT infrastructure (servers, networking)\n- Security cameras (unless part of heritage experience)\n"
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exact_mappings:
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- sosa:Platform
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- ssn:System
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close_mappings:
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- schema:Thing
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- crm:E22_Human-Made_Object
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related_mappings:
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- sosa:Sensor
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- sosa:Actuator
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- schema:Product
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slots:
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- has_or_had_api_endpoint
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- connectivity_type
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- coverage_area
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- has_or_had_output # was: data_format - migrated per Rule 53 (2026-01-22)
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- is_or_was_decommissioned_at # was: decommission_date - migrated per Rule 53 (2026-01-23)
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# MIGRATED 2026-01-25: device_count → has_or_had_quantity (Rule 53)
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- has_or_had_quantity
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# MIGRATED 2026-01-25: device_id → has_or_had_identifier (Rule 53)
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- has_or_had_identifier
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# MIGRATED 2026-01-25: device_manufacturer → is_or_was_created_by (Rule 53)
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- is_or_was_created_by
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# MIGRATED 2026-01-25: device_model → has_or_had_model (Rule 53)
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- has_or_had_model
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# MIGRATED 2026-01-25: device_name → has_or_had_label (Rule 53)
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- has_or_had_label
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# MIGRATED 2026-01-25: device_type → is_or_was_instantiated_by (Rule 53)
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- is_or_was_instantiated_by
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- installation_date
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- installed_at_place
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- maintenance_schedule
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- operational_status
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- power_source
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- publishes_to
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- purpose
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- refers_to_custodian
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- specificity_annotation
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- has_or_had_specification # was: technical_specification - migrated per Rule 53 (2026-01-15)
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- has_or_had_score # was: template_specificity - migrated per Rule 53 (2026-01-17)
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- temporal_extent
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- has_or_had_frequency
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- is_or_was_derived_from # was: was_derived_from - migrated per Rule 53
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- is_or_was_generated_by # was: was_generated_by - migrated per Rule 53
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slot_usage:
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# MIGRATED 2026-01-25: device_id → has_or_had_identifier (Rule 53)
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has_or_had_identifier:
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description: |
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MIGRATED from device_id per slot_fixes.yaml (Rule 53, 2026-01-25).
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Unique identifier for this IoT device or device network.
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Format: URI following NDE Heritage Custodian ontology conventions.
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range: uriorcurie
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required: true
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identifier: true
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examples:
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- value: https://nde.nl/ontology/hc/iot/rijksmuseum-beacon-gallery-1
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description: Beacon network in Gallery of Honour
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# MIGRATED 2026-01-25: device_name → has_or_had_label (Rule 53)
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has_or_had_label:
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description: |
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MIGRATED from device_name per slot_fixes.yaml (Rule 53, 2026-01-25).
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Human-readable name of the IoT device or device network.
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range: Label
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inlined: true
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required: true
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examples:
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- value:
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label_value: Gallery of Honour Beacon Network
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description: Beacon network name
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- value:
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label_value: Depot Climate Monitoring System
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description: Sensor network name
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# MIGRATED 2026-01-25: device_type → is_or_was_instantiated_by (Rule 53)
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is_or_was_instantiated_by:
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description: |
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MIGRATED from device_type per slot_fixes.yaml (Rule 53, 2026-01-25).
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Type classification of this IoT device using DeviceType hierarchy.
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Replaces DigitalPresenceTypeEnum values with class-based types.
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range: IoTDevice
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inlined: true
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required: true
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examples:
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- value:
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has_or_had_type:
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has_or_had_label: Bluetooth Beacon
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description: Beacon device (was IOT_BEACON)
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- value:
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has_or_had_type:
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has_or_had_label: Climate Sensor
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description: Sensor device (was IOT_SENSOR)
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- value:
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has_or_had_type:
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has_or_had_label: Information Kiosk
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description: Kiosk device (was IOT_KIOSK)
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# MIGRATED 2026-01-25: device_model → has_or_had_model (Rule 53)
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has_or_had_model:
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description: |
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MIGRATED from device_model per slot_fixes.yaml (Rule 53, 2026-01-25).
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Model designation of the IoT device.
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range: Model
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inlined: true
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required: false
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examples:
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- value:
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has_or_had_label: Estimote Proximity Beacon
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description: Beacon model
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- value:
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has_or_had_label: Sensirion SHT45
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description: Sensor model
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# MIGRATED 2026-01-25: device_manufacturer → is_or_was_created_by (Rule 53)
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is_or_was_created_by:
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description: |
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MIGRATED from device_manufacturer per slot_fixes.yaml (Rule 53, 2026-01-25).
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Manufacturer of the IoT device.
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range: Manufacturer
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inlined: true
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required: false
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examples:
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- value:
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has_or_had_label: Estimote
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description: Beacon manufacturer
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- value:
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has_or_had_label: Samsung
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description: Kiosk manufacturer
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# MIGRATED 2026-01-25: device_count → has_or_had_quantity (Rule 53)
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has_or_had_quantity:
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description: |
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MIGRATED from device_count per slot_fixes.yaml (Rule 53, 2026-01-25).
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Count of devices in this network/group.
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Uses Quantity class with unit "device".
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range: Quantity
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inlined: true
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required: false
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examples:
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- value:
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quantity_value: 24
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has_or_had_unit:
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unit_value: "device"
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description: 24 beacons in gallery network
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- value:
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quantity_value: 150
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has_or_had_unit:
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unit_value: "device"
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description: 150 climate sensors across facility
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- value:
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quantity_value: 1
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has_or_had_unit:
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unit_value: "device"
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description: Single information kiosk
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coverage_area:
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range: string
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examples:
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- value: Gallery of Honour (main wing)
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description: Specific gallery
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- value: All galleries and storage areas
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description: Facility-wide
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- value: Main entrance lobby
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description: Specific location
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purpose:
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range: string
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required: true
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examples:
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- value: Proximity triggers for mobile app content
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description: Beacon purpose
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- value: Temperature and humidity monitoring for preservation
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description: Climate sensor purpose
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- value: Self-service collection search for visitors
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description: Kiosk purpose
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has_or_had_specification: # was: technical_specification - migrated per Rule 53 (2026-01-15)
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description: |
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Technical specifications for the IoT device.
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Migrated from technical_specification to align with RiC-O naming conventions.
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range: string
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examples:
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- value: BLE 5.0, 50m range, 5-year battery, IP67 rated
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description: Beacon specifications
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connectivity_type:
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range: string
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multivalued: true
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examples:
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- value: BLUETOOTH_LE
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description: Beacon connectivity
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- value: WIFI
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description: Kiosk connectivity
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power_source:
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range: string
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examples:
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- value: BATTERY
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description: Battery-powered beacon
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- value: MAINS
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description: Mains-powered kiosk
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publishes_to:
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range: uri
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examples:
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- value: https://dashboard.museum.nl/climate
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description: Climate monitoring dashboard
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- value: https://analytics.museum.nl/beacons
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description: Beacon analytics platform
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has_or_had_api_endpoint:
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range: uri
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examples:
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- value: https://api.museum.nl/sensors/v1/
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description: Sensor data API
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has_or_had_output: # was: data_format - migrated per Rule 53 (2026-01-22)
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range: OutputData
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inlined: true
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description: |
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Output data specification for this device.
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MIGRATED from data_format per slot_fixes.yaml (Rule 53).
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Uses OutputData class with DataFormat for format specification.
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examples:
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- value:
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has_or_had_format:
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has_or_had_type: JsonFormat
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has_or_had_media_type: "application/json"
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has_or_had_description: "Sensor readings in JSON format"
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description: JSON data format (was data_format)
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has_or_had_frequency:
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range: UpdateFrequency
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inlined: true
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description: >-
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How often the device sends data/updates, represented as a structured
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UpdateFrequency instance with quantity and time interval components.
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examples:
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- value: |
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has_or_had_frequency:
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frequency_description: "Every 5 minutes"
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has_or_had_quantity:
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numeric_value: 5
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has_or_had_time_interval:
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duration_value: "PT1M"
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description: Climate sensor update frequency
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- value: |
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has_or_had_frequency:
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frequency_description: "On proximity trigger"
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is_event_driven: true
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trigger_type: "proximity"
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description: Beacon trigger frequency
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installed_at_place:
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range: CustodianPlace
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examples:
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- value: https://nde.nl/ontology/hc/place/rijksmuseum-gallery-of-honour
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description: Gallery location
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installation_date:
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range: date
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examples:
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- value: '2023-06-15'
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description: Installation date
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is_or_was_decommissioned_at: # was: decommission_date - migrated per Rule 53 (2026-01-23)
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range: Timestamp
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inlined: true
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description: |
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Timestamp when the IoT device was or will be decommissioned.
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NULL if still operational.
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MIGRATED from decommission_date per slot_fixes.yaml (Rule 53).
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examples:
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- value:
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has_or_had_timestamp: "2028-12-31"
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has_or_had_precision: day
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description: Planned decommission date for device
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temporal_extent:
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range: TimeSpan
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examples:
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- value:
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begin_of_the_begin: '2023-06-15'
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description: Device operational since June 2023
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operational_status:
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range: string
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examples:
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- value: ACTIVE
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description: Device is operational
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- value: MAINTENANCE
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description: Device under maintenance
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maintenance_schedule:
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range: string
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examples:
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- value: Monthly battery check
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description: Beacon maintenance
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is_or_was_derived_from: # was: was_derived_from - migrated per Rule 53
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range: CustodianObservation
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multivalued: true
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required: false
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is_or_was_generated_by: # was: was_generated_by - migrated per Rule 53
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range: ReconstructionActivity
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required: false
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refers_to_custodian:
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range: Custodian
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required: true
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examples:
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- value: https://nde.nl/ontology/hc/nl-nh-ams-m-rm-q190804
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description: Rijksmuseum custodian hub
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comments:
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- Models physical devices with digital connectivity (beacons, kiosks, sensors)
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- SOSA/SSN ontology alignment for semantic sensor data
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- Bridges physical and digital presence of heritage custodians
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- Supports environmental monitoring, visitor experience, analytics use cases
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- Temporal validity tracks installation and decommission dates
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- Links to CustodianPlace for location context
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see_also:
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- https://www.w3.org/TR/vocab-ssn/
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- https://www.w3.org/TR/vocab-sosa/
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- https://schema.org/Thing
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examples:
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# MIGRATED 2026-01-25: device_id → has_or_had_identifier (Rule 53)
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# MIGRATED 2026-01-25: device_manufacturer → is_or_was_created_by (Rule 53)
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# MIGRATED 2026-01-25: device_model → has_or_had_model (Rule 53)
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# MIGRATED 2026-01-25: device_name → has_or_had_label (Rule 53)
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# MIGRATED 2026-01-25: device_type → is_or_was_instantiated_by (Rule 53)
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- value:
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has_or_had_identifier: https://nde.nl/ontology/hc/iot/rijksmuseum-beacon-gallery-honour
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has_or_had_label:
|
|
has_or_had_label: Gallery of Honour Beacon Network
|
|
is_or_was_instantiated_by:
|
|
has_or_had_type:
|
|
has_or_had_label: Bluetooth Beacon
|
|
has_or_had_model:
|
|
has_or_had_label: Estimote Proximity Beacon
|
|
is_or_was_created_by:
|
|
has_or_had_label: Estimote
|
|
has_or_had_quantity:
|
|
quantity_value: 24
|
|
has_or_had_unit:
|
|
unit_value: "device"
|
|
coverage_area: Gallery of Honour (main wing)
|
|
purpose: Proximity triggers for mobile app content near masterpieces
|
|
connectivity_type:
|
|
- BLUETOOTH_LE
|
|
power_source: BATTERY
|
|
publishes_to: https://analytics.rijksmuseum.nl/beacons
|
|
installation_date: '2019-03-01'
|
|
operational_status: ACTIVE
|
|
maintenance_schedule: Monthly battery check
|
|
refers_to_custodian: https://nde.nl/ontology/hc/nl-nh-ams-m-rm-q190804
|
|
description: Beacon network in Rijksmuseum Gallery of Honour
|
|
- value:
|
|
has_or_had_identifier: https://nde.nl/ontology/hc/iot/rijksmuseum-climate-monitoring
|
|
has_or_had_label:
|
|
has_or_had_label: Conservation Climate Monitoring System
|
|
is_or_was_instantiated_by:
|
|
has_or_had_type:
|
|
has_or_had_label: Climate Sensor
|
|
has_or_had_model:
|
|
has_or_had_label: Sensirion SHT45
|
|
is_or_was_created_by:
|
|
has_or_had_label: Sensirion
|
|
has_or_had_quantity:
|
|
quantity_value: 150
|
|
has_or_had_unit:
|
|
unit_value: "device"
|
|
coverage_area: All galleries and storage areas
|
|
purpose: Temperature and humidity monitoring for preservation
|
|
connectivity_type:
|
|
- WIFI
|
|
- LORAWAN
|
|
power_source: BATTERY
|
|
publishes_to: https://dashboard.rijksmuseum.nl/climate
|
|
api_endpoint: https://api.rijksmuseum.nl/climate/v1/
|
|
has_or_had_output: # was: data_format - migrated per Rule 53
|
|
has_or_had_format:
|
|
has_or_had_type: JsonFormat
|
|
has_or_had_media_type: "application/json"
|
|
has_or_had_description: "Climate sensor data"
|
|
has_or_had_frequency:
|
|
frequency_description: "Every 5 minutes"
|
|
has_or_had_quantity:
|
|
numeric_value: 5
|
|
has_or_had_time_interval:
|
|
duration_value: "PT1M"
|
|
duration_description: "minute"
|
|
installation_date: '2020-01-15'
|
|
operational_status: ACTIVE
|
|
maintenance_schedule: Quarterly calibration
|
|
refers_to_custodian: https://nde.nl/ontology/hc/nl-nh-ams-m-rm-q190804
|
|
description: Climate monitoring sensor network at Rijksmuseum
|
|
- value:
|
|
has_or_had_identifier: https://nde.nl/ontology/hc/iot/rijksmuseum-entrance-kiosk
|
|
has_or_had_label:
|
|
has_or_had_label: Main Entrance Information Kiosks
|
|
is_or_was_instantiated_by:
|
|
has_or_had_type:
|
|
has_or_had_label: Information Kiosk
|
|
has_or_had_model:
|
|
has_or_had_label: Samsung Kiosk 24 Touch
|
|
is_or_was_created_by:
|
|
has_or_had_label: Samsung
|
|
has_or_had_quantity:
|
|
quantity_value: 4
|
|
has_or_had_unit:
|
|
unit_value: "device"
|
|
coverage_area: Main entrance lobby
|
|
purpose: Self-service collection search and wayfinding for visitors
|
|
has_or_had_specification: 24-inch touchscreen, 1920x1080 resolution, wheelchair accessible
|
|
connectivity_type:
|
|
- ETHERNET
|
|
power_source: MAINS
|
|
installation_date: '2021-09-01'
|
|
operational_status: ACTIVE
|
|
maintenance_schedule: Weekly software updates, monthly hardware inspection
|
|
refers_to_custodian: https://nde.nl/ontology/hc/nl-nh-ams-m-rm-q190804
|
|
description: Information kiosks at Rijksmuseum entrance
|