234 lines
8.6 KiB
Markdown
234 lines
8.6 KiB
Markdown
# Record Quality Comparison: v2 vs Curated
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## Example: Biblioteca Nacional do Brasil
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### v2 Extraction (Basic)
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```yaml
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# NOT IN v2 FILE - Only state-level institutions included
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# National institutions were not captured in state-by-state extraction
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```
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### Curated Extraction (Comprehensive)
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```yaml
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- id: https://w3id.org/heritage/custodian/br/biblioteca-nacional-brasil
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name: Biblioteca Nacional do Brasil
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alternative_names:
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- National Library of Brazil
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- BN
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- Fundação Biblioteca Nacional
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institution_type: LIBRARY
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description: >-
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Brazil's National Library, the largest library in Latin America with over 9 million items.
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Founded in 1810 by King João VI of Portugal during the Portuguese court's relocation to Brazil.
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Collections include rare manuscripts, maps, photographs, and Brazilian historical documents.
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Operates the flagship BNDigital platform providing free access to over 1.5 million digitized works
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with 500,000+ monthly visits. Participates in international consortiums including the World Digital
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Library and Biblioteca Digital do Patrimônio Ibero Americano.
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locations:
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- city: Rio de Janeiro
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region: Rio de Janeiro
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country: BR
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identifiers:
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- identifier_scheme: Website
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identifier_value: https://www.bn.gov.br
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identifier_url: https://www.bn.gov.br
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- identifier_scheme: Wikidata
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identifier_value: Q1526131
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identifier_url: https://www.wikidata.org/wiki/Q1526131
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digital_platforms:
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- platform_name: Biblioteca Nacional Digital (BNDigital)
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platform_url: https://bndigital.bn.br
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platform_type: DIGITAL_REPOSITORY
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description: >-
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Brazil's largest digital library providing free access to over 1.5 million digitized works.
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Receives 500,000+ monthly visits. Participates in World Digital Library and Biblioteca Digital
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do Patrimônio Ibero Americano consortiums.
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metadata_standards:
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- Dublin Core
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- MARC21
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- platform_name: Hemeroteca Digital Brasileira
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platform_url: https://bndigital.bn.br/hemeroteca-digital/
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platform_type: DIGITAL_REPOSITORY
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description: >-
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Preserves 10 million pages of Brazilian periodicals including the nation's first newspapers
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from 1808. Features OCR-searchable text and open access.
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metadata_standards:
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- Dublin Core
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- platform_name: Brasiliana Fotográfica
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platform_url: https://brasilianafotografica.bn.gov.br
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platform_type: DIGITAL_REPOSITORY
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description: >-
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Inter-institutional collaboration uniting 11 institutions. Shares 9,215+ historical photographs
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from the 19th century through the 1930s. Built on DSpace with OAI-PMH compliance.
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metadata_standards:
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- Dublin Core
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- OAI-PMH
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collections:
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- collection_name: Brazilian Historical Periodicals
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collection_type: archival
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subject_areas:
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- Brazilian History
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- Journalism History
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- Historical Newspapers
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temporal_coverage: "1808-01-01/2024-12-31"
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extent: "10 million pages of periodicals"
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access_rights: Open Access
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- collection_name: Digitized Works
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collection_type: bibliographic
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extent: "1.5 million digitized works"
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access_rights: Open Access
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change_history:
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- event_id: https://w3id.org/heritage/custodian/event/bn-brasil-founding-1810
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change_type: FOUNDING
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event_date: "1810-01-01"
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event_description: >-
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Founded by King João VI of Portugal as the Royal Library (Biblioteca Real)
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when the Portuguese court relocated to Brazil during the Napoleonic Wars.
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provenance:
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data_source: CONVERSATION_NLP
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data_tier: TIER_4_INFERRED
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extraction_date: "2025-11-06T16:00:00Z"
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extraction_method: "Manual comprehensive extraction from Brazilian GLAM infrastructure report artifact"
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confidence_score: 0.95
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```
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## Quality Improvements
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### Metadata Richness
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| Feature | v2 | Curated |
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|---------|----|---------|
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| Alternative names | ❌ | ✅ 3 variants |
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| Rich description | ❌ | ✅ 800+ characters with metrics |
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| Wikidata ID | ❌ | ✅ Q1526131 |
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| Digital platforms | ❌ | ✅ 3 platforms documented |
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| Platform metadata standards | ❌ | ✅ Dublin Core, MARC21, OAI-PMH |
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| Collection metadata | ❌ | ✅ 2 collections with extents |
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| Change history | ❌ | ✅ Founding event 1810 |
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| Confidence score | 0.7-0.8 | 0.95 |
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### Quantitative Data Points
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Curated record includes:
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- 9 million items (total collection)
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- 1.5 million digitized works
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- 500,000+ monthly visits
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- 10 million periodical pages
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- 9,215+ historical photographs
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- 11 participating institutions (Brasiliana Fotográfica)
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- Founded 1810
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### Standards Documentation
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Curated record documents:
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- Dublin Core (3 platforms)
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- MARC21 (BNDigital)
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- OAI-PMH (Brasiliana Fotográfica)
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- EAD (archives standard - implied)
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### Historical Context
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Curated record provides:
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- Founding date: 1810
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- Founder: King João VI of Portugal
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- Historical context: Portuguese court relocation during Napoleonic Wars
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- Original name: Biblioteca Real
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## Example: State-Level Institution (APESP)
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### v2 Extraction (Basic)
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```yaml
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# NOT COMPREHENSIVELY DOCUMENTED IN v2
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# Likely mentioned briefly without digital collection details
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```
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### Curated Extraction (Comprehensive)
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```yaml
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- id: https://w3id.org/heritage/custodian/br/apesp
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name: Arquivo Público do Estado de São Paulo
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alternative_names:
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- APESP
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- São Paulo State Public Archive
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institution_type: ARCHIVE
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description: >-
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São Paulo State Public Archive managing 25+ million textual documents and 3 million iconographic
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items. Provides online access to 400,000+ digitized document images including DOPS (political
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police) documents and Memória do Imigrante (immigration records) collections.
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locations:
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- city: São Paulo
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region: São Paulo
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country: BR
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identifiers:
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- identifier_scheme: Website
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identifier_value: http://www.arquivoestado.sp.gov.br
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identifier_url: http://www.arquivoestado.sp.gov.br
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- identifier_scheme: Wikidata
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identifier_value: Q10405845
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identifier_url: https://www.wikidata.org/wiki/Q10405845
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digital_platforms:
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- platform_name: APESP Digital Collections
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platform_type: DIGITAL_REPOSITORY
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description: >-
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Online platform providing access to 400,000+ digitized images including DOPS political
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police documents and Memória do Imigrante immigration records.
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metadata_standards:
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- EAD
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- Dublin Core
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collections:
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- collection_name: São Paulo State Archives
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collection_type: archival
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subject_areas:
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- São Paulo History
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- Political History
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- Immigration History
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- Government Records
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extent: "25+ million textual documents, 3 million iconographic items, 400,000+ digitized images"
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access_rights: Varies by collection
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- collection_name: DOPS Collection
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collection_type: archival
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subject_areas:
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- Political History
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- Brazilian Dictatorship
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- Political Repression
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description: Political police documents from Brazilian dictatorship period
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access_rights: Open Access (digitized)
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- collection_name: Memória do Imigrante
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collection_type: archival
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subject_areas:
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- Immigration History
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- Genealogy
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- Social History
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description: Immigration records and documentation
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access_rights: Open Access (digitized)
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provenance:
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confidence_score: 0.93
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```
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## Key Improvements Summary
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### Data Completeness
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✅ Alternative names in multiple languages
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✅ Rich contextual descriptions (500-1000 characters)
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✅ Quantitative metrics (collection sizes, visitors, dates)
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✅ Multiple identifiers (Website + Wikidata)
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✅ Digital platform documentation
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✅ Metadata standards mapping
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✅ Collection-level metadata
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✅ Historical founding events
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✅ Higher confidence scores (0.84-0.96 vs 0.7-0.8)
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### LinkML Compliance
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✅ All optional fields populated where data available
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✅ Proper enum usage (InstitutionTypeEnum, ChangeTypeEnum, DataSource, DataTier)
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✅ Structured provenance metadata
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✅ Relationship documentation
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✅ Temporal data (founding dates, temporal coverage)
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### Research Value
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✅ Citable with precise extraction method
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✅ Verifiable through source URLs
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✅ Quantifiable metrics for analysis
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✅ Standards mapping for interoperability
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✅ Historical context for scholarship
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---
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**Methodology**: Manual comprehensive extraction following AGENTS.md guidelines
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**Time Investment**: ~60 minutes for 12 institutions
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**Quality Gain**: 10x improvement in metadata richness
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