043ea868b5
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- Fix empty import list elements (- # comment pattern) in Laptop, Expenses, FunctionType, Overview, WebLink, Photography classes - Replace valid_from/valid_to slots with temporal_extent in class slots lists - Update slot_usage to use temporal_extent with TimeSpan range - Update examples to use temporal_extent with begin_of_the_begin/end_of_the_end - Fix typo is_or_was_is_or_was_archived_at → is_or_was_archived_at in WebObservation - Add TimeSpan imports to classes using temporal_extent - Fix relative import paths for Timestamp in temporal slots - Fix CustodianIdentifier → Identifier imports in FundingAgenda, ReadingRoomAnnex Schema validates successfully with 902 classes and 2043 slots.
157 lines
8.4 KiB
YAML
157 lines
8.4 KiB
YAML
id: https://nde.nl/ontology/hc/class/WebObservation
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name: WebObservation
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title: WebObservation Class
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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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dcterms: http://purl.org/dc/terms/
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prov: http://www.w3.org/ns/prov#
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pav: http://purl.org/pav/
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foaf: http://xmlns.com/foaf/0.1/
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xsd: http://www.w3.org/2001/XMLSchema#
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imports:
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- linkml:types
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- ./WebClaim
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- ../slots/is_or_was_archived_at
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- ../slots/extraction_confidence
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- ../slots/extraction_note
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- ../slots/source_url
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- ../slots/retrieved_on
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- ../slots/content_hash
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- ../slots/claim
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- ../slots/content_changed
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- ../slots/content_type
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- ../slots/etag
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- ../slots/http_status_code
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- ../slots/last_modified
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- ../slots/observation_id
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- ../slots/observed_entity
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- ../slots/page_title
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- ../slots/previous_observation
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- ../slots/retrieval_method
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- ../slots/retrieved_by
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- ../slots/specificity_annotation
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- ../slots/template_specificity
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- ./SpecificityAnnotation
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- ./TemplateSpecificityScores
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default_prefix: hc
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classes:
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WebObservation:
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class_uri: prov:Activity
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description: "A provenance record documenting the retrieval and observation of web content.\nTracks when, where, and how\
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\ web-based information was obtained.\n\n**PURPOSE**:\n\nWebObservation provides transparent provenance for web-extracted\
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\ data in the\nheritage custodian ontology. When information about funding calls, institutions,\nor other entities is\
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\ extracted from web sources, a WebObservation record\ndocuments:\n\n- **What**: The source URL and content\n- **When**:\
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\ Timestamp of retrieval\n- **Who/What**: Agent performing retrieval\n- **How**: Method of extraction\n- **Quality**:\
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\ Confidence scores and notes\n\n**PROVENANCE CHAIN**:\n\n```\nWebObservation (Activity)\n │\n ├── prov:used\
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\ ──→ SourceDocument (web page as Entity)\n │ │\n │ └── source_uri:\
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\ https://example.org/call\n │\n ├── prov:generated ──→ CallForApplication (extracted Entity)\n │\n \
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\ ├── pav:retrievedFrom ──→ URI of source\n ├── pav:retrievedOn ──→ datetime\n └── pav:retrievedBy ──→\
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\ agent identifier\n```\n\n**PROV-O ALIGNMENT**:\n\nWebObservation is modelled as a `prov:Activity`:\n- Activities are\
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\ \"something that occurs over a period of time and acts upon\n or with entities\"\n- The retrieval of a web page is\
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\ an activity that uses a SourceDocument\n (the live web page) and generates extracted data\n\nKey PROV-O properties:\n\
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- `prov:used` - The web page accessed\n- `prov:generated` - The extracted data entity\n- `prov:wasAssociatedWith` -\
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\ The retrieval agent\n- `prov:atTime` - When the activity occurred\n\n**PAV ALIGNMENT**:\n\nPAV (Provenance, Authoring\
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\ and Versioning) provides more specific properties:\n- `pav:retrievedFrom` - Source URL\n- `pav:retrievedOn` - Retrieval\
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\ timestamp\n- `pav:retrievedBy` - Retrieval agent\n- `pav:sourceAccessedAt` - When source was consulted\n\n**CHANGE\
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\ DETECTION**:\n\nWebObservation supports tracking changes over time:\n- Link to `previous_observation` for same URL\n\
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- `content_changed` flag for quick change detection\n- `content_hash` for integrity verification\n- Compare `last_modified`\
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\ and `etag` across observations\n\n**ARCHIVAL INTEGRATION**:\n\nFor long-term preservation, link to archived copies:\n\
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- `is_or_was_archived_at` can point to Wayback Machine, Archive.today, etc.\n- Ensures cited web content remains accessible\n\n\
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**EXAMPLES**:\n\n1. **EU Funding Portal Observation**\n - source_url: https://ec.europa.eu/.../topic-details/horizon-cl2-2025-heritage-01\n\
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\ - retrieved_on: 2025-11-29T10:30:00Z\n - retrieved_by: \"glam-harvester/1.0\"\n - extraction_confidence: 0.95\n\
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\ \n2. **Heritage Organisation Website**\n - source_url: https://www.heritagefund.org.uk/funding/medium-grants\n\
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\ - retrieved_on: 2025-11-28T14:00:00Z\n - content_type: text/html\n - page_title: \"Medium grants - Heritage\
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\ Fund\"\n \n3. **Wikidata SPARQL Query**\n - source_url: https://query.wikidata.org/sparql?query=...\n - retrieval_method:\
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\ SPARQL API\n - content_type: application/sparql-results+json\n - observed_entities: [Q131381572, Q1375245, ...]\n"
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exact_mappings:
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- prov:Activity
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close_mappings:
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- pav:Retrieval
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- schema:Action
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related_mappings:
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- prov:Entity
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- pav:sourceAccessedAt
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- dcterms:source
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slots:
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- is_or_was_archived_at
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- claim
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- content_changed
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- content_hash
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- content_type
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- etag
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- extraction_confidence
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- extraction_note
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- http_status_code
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- last_modified
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- observation_id
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- observed_entity
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- page_title
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- previous_observation
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- retrieval_method
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- retrieved_by
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- retrieved_on
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- source_url
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- specificity_annotation
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- template_specificity
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comments:
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- WebObservation is a prov:Activity documenting web content retrieval
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- Integrates PROV-O for provenance and PAV for retrieval-specific properties
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- Supports change detection via content_hash, previous_observation, content_changed
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- Links to archived copies via is_or_was_archived_at for long-term citation
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- observed_entities links observation to extracted data (prov:generated)
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see_also:
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- https://www.w3.org/TR/prov-o/
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- http://purl.org/pav/
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- https://www.w3.org/TR/prov-dm/
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- https://web.archive.org/
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examples:
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- value:
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observation_id: https://nde.nl/ontology/hc/observation/web/2025-11-29/eu-horizon-cl2-heritage
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source_url: https://ec.europa.eu/info/funding-tenders/opportunities/portal/screen/opportunities/topic-details/horizon-cl2-2025-heritage-01
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retrieved_on: '2025-11-29T10:30:00Z'
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retrieved_by: claude-assistant
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retrieval_method: exa-search
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http_status_code: 200
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content_type: text/html
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page_title: Horizon Europe - Cultural heritage, cultural and creative industries
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extraction_confidence: 0.92
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extraction_notes: Extracted via Exa AI search. Call details structured and well-formatted. Budget and deadline clearly
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stated. Eligibility criteria parsed from HTML sections.
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observed_entity:
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- https://nde.nl/ontology/hc/call/ec/cl2-2025-heritage-01
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is_or_was_archived_at: https://web.archive.org/web/20251129103000/https://ec.europa.eu/info/funding-tenders/opportunities/portal/screen/opportunities/topic-details/horizon-cl2-2025-heritage-01
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description: Web observation of Horizon Europe CL2 2025 heritage call
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- value:
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observation_id: https://nde.nl/ontology/hc/observation/web/2025-11-28/nlhf-medium-grants
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source_url: https://www.heritagefund.org.uk/funding/medium-grants
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retrieved_on: '2025-11-28T14:00:00Z'
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retrieved_by: glam-harvester/1.0
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retrieval_method: playwright-scraper
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http_status_code: 200
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content_type: text/html
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page_title: Medium grants | The National Lottery Heritage Fund
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content_hash: sha256:a1b2c3d4e5f6789012345678901234567890abcdef1234567890abcdef123456
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last_modified: '2025-11-15T09:00:00Z'
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extraction_confidence: 0.88
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extraction_notes: Extracted via Playwright scraper. Dynamic content fully rendered. Grant range and eligibility parsed
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from page sections.
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observed_entity:
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- https://nde.nl/ontology/hc/call/nlhf/medium-grants-2025-q4
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previous_observation: https://nde.nl/ontology/hc/observation/web/2025-10-15/nlhf-medium-grants
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content_changed: true
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description: Web observation of National Lottery Heritage Fund grants page
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- value:
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observation_id: https://nde.nl/ontology/hc/observation/web/2025-11-29/wikidata-echoes
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source_url: https://query.wikidata.org/sparql
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retrieved_on: '2025-11-29T09:00:00Z'
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retrieved_by: wikidata-mcp-server
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retrieval_method: sparql-api
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http_status_code: 200
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content_type: application/sparql-results+json
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extraction_confidence: 1.0
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extraction_notes: SPARQL query for ECHOES/ECCCH Q-number (Q131381572). Structured API response with high confidence.
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observed_entity:
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- http://www.wikidata.org/entity/Q131381572
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description: SPARQL query observation for Wikidata entity
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