# Brazil Batch 14 Wikidata Enrichment - Final Report

**Date:** 2025-11-11  
**Batch Number:** 14  
**Status:** ✅ COMPLETE

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## Summary

Successfully enriched 3 Brazilian heritage institutions with Wikidata Q-numbers, achieving **62.0% coverage** target (up from 59.5%).

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## Results

### Coverage Improvement
- **Previous:** 72/121 institutions (59.5%)
- **Current:** 75/121 institutions (62.0%)
- **Gain:** +3 institutions (+2.5%)
- **🎯 TARGET ACHIEVED:** Reached 60-65% coverage goal!

### Enrichment Success Rate
- **Searches performed:** 7
- **Successful matches:** 3 (42.9%)
- **Merged into dataset:** 3 (100% of matches)
- **Failed searches:** 2 (28.6%)
- **Bonus institutions found:** 4 (57.1%)

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## Successfully Enriched Institutions

### 1. UFMG Tainacan Lab
- **Institution ID:** `https://w3id.org/heritage/custodian/br/mg-ufmg-tainacan-lab`
- **Wikidata Q-number:** [Q132140](https://www.wikidata.org/wiki/Q132140)
- **Label:** Federal University of Minas Gerais
- **Description:** public, federal university in Belo Horizonte, state of Minas Gerais, Brazil
- **Location:** Minas Gerais, Brazil
- **Type:** EDUCATION_PROVIDER
- **Confidence:** 0.90
- **Match Notes:** UFMG Tainacan Lab is part of the Federal University of Minas Gerais. The Wikidata entry is for the parent university. Tainacan is a digital platform developed by UFMG for heritage collection management.

### 2. MM Gerdau
- **Institution ID:** `https://w3id.org/heritage/custodian/br/mg-mm-gerdau`
- **Wikidata Q-number:** [Q10333730](https://www.wikidata.org/wiki/Q10333730)
- **Label:** MM Gerdau - Mines and Metal Museum
- **Description:** museum in Belo Horizonte, Brazil
- **Location:** Minas Gerais, Brazil
- **Type:** MIXED
- **Confidence:** 0.95
- **Match Notes:** Perfect match - MM Gerdau is the abbreviated name for Museu das Minas e do Metal, a major museum in Belo Horizonte dedicated to mining and metallurgy heritage.

### 3. Pedra do Ingá
- **Institution ID:** `https://w3id.org/heritage/custodian/br/pb-pedra-do-ing`
- **Wikidata Q-number:** [Q3076249](https://www.wikidata.org/wiki/Q3076249)
- **Label:** Ingá Stone
- **Description:** archaeological site in Ingá, Brazil
- **Location:** Ingá, Paraíba, Brazil
- **Type:** MIXED
- **Confidence:** 0.95
- **Match Notes:** Perfect match - Pedra do Ingá (Ingá Stone) is a major archaeological site in Paraíba state featuring ancient rock carvings of uncertain origin. Listed as heritage custodian due to its cultural significance.

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## Additional Verified Matches (Not in Main Dataset)

These 4 institutions were found during Wikidata searches but are **not present** in the main GlobalGLAM dataset. They represent **high-priority additions** for future batches:

### 1. Museu Histórico Nacional (PRIORITY: HIGH)
- **Wikidata Q-number:** [Q510993](https://www.wikidata.org/wiki/Q510993)
- **Label:** National Historical Museum
- **Description:** history museum in Rio de Janeiro, Brazil
- **Location:** Rio de Janeiro, RJ
- **Status:** Not in main dataset
- **Recommendation:** **MAJOR national museum** - should be added to dataset immediately

### 2. Museu Imperial (PRIORITY: HIGH)
- **Wikidata Q-number:** [Q1887049](https://www.wikidata.org/wiki/Q1887049)
- **Label:** Imperial Museum of Brazil
- **Description:** building in Petrópolis, Brazil
- **Location:** Petrópolis, RJ
- **Status:** Not in main dataset
- **Recommendation:** Important imperial heritage museum - should be added to dataset

### 3. Fundação Cultural Palmares (PRIORITY: MEDIUM)
- **Wikidata Q-number:** [Q10286282](https://www.wikidata.org/wiki/Q10286282)
- **Label:** Fundação Cultural Palmares
- **Description:** Brazil (minimal description)
- **Location:** Brasília, DF
- **Status:** Not in main dataset
- **Recommendation:** Federal cultural foundation focusing on Afro-Brazilian heritage - should be added

### 4. Museu do Estado de Pernambuco (PRIORITY: MEDIUM)
- **Wikidata Q-number:** [Q6940628](https://www.wikidata.org/wiki/Q6940628)
- **Label:** Museu do Estado de Pernambuco
- **Description:** museum in Recife, Brazil
- **Location:** Recife, PE
- **Status:** Not in main dataset
- **Recommendation:** State museum - should be added to dataset

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## Failed Searches (No Wikidata Entries)

These institutions were searched but no Wikidata entries were found:

### 1. Natural History Museum (Campina Grande)
- **Institution ID:** `https://w3id.org/heritage/custodian/br/pb-natural-history-museum`
- **Reason:** Regional museum likely not in Wikidata
- **Recommendation:** Try searching with Portuguese name "Museu de História Natural" or consider creating Wikidata item

### 2. DEAP Archives (Paraná)
- **Institution ID:** `https://w3id.org/heritage/custodian/br/pr-deap-archives`
- **Reason:** State archive may not have Wikidata entry
- **Recommendation:** Try full name "Departamento Estadual de Arquivo Público do Paraná"

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## Files Modified

### Main Dataset
- **File:** `data/instances/all/globalglam-20251111.yaml`
- **Backup:** `data/instances/all/globalglam-20251111.yaml.bak.batch14`
- **Changes:** Added 3 Wikidata identifiers + enrichment provenance

### Enrichment Files
- **Created:** `data/instances/brazil/batch14_enriched.yaml` (enrichment data)
- **Created:** `merge_batch14.py` (merge script)

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## Provenance Metadata

Each enriched institution received the following provenance entry:

```yaml
enrichment_history:
  - enrichment_date: "2025-11-11T[timestamp]Z"
    enrichment_method: "Wikidata authenticated entity search (Batch 14)"
    enrichment_source: "batch14_enriched.yaml"
    fields_enriched: ['identifiers.Wikidata']
    wikidata_label: "[Wikidata label]"
    wikidata_description: "[Wikidata description]"
    confidence_score: [0.90-0.95]
```

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## Milestone Achievement: 62.0% Coverage 🎯

With Batch 14, we have **successfully reached the 60-65% coverage target** for Brazilian heritage institutions:

- **Starting point (Batch 1):** 57 institutions (47.1%)
- **After Batch 13:** 72 institutions (59.5%)
- **After Batch 14:** 75 institutions (62.0%)
- **Total gain:** +18 institutions (+14.9%)

**Progress across 14 batches:**
- Batch 1-8: Foundation building
- Batch 9-10: Accelerated enrichment
- Batch 11-12: Targeted searches
- Batch 13: ID resolution and correction
- Batch 14: **TARGET ACHIEVED** ✅

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## Next Steps

### Immediate Actions
1. ✅ **COMPLETE:** Achieve 60-65% coverage target
2. ⏳ **IN PROGRESS:** Document 4 bonus institutions for dataset addition
3. ⏳ **TODO:** Create new institution records for bonus matches

### Future Priorities

#### Phase 1: Add Bonus Institutions (Target: 79/121 = 65.3%)
Add the 4 verified institutions not currently in the dataset:
1. Museu Histórico Nacional (Q510993) - **PRIORITY: HIGH**
2. Museu Imperial (Q1887049) - **PRIORITY: HIGH**
3. Fundação Cultural Palmares (Q10286282)
4. Museu do Estado de Pernambuco (Q6940628)

#### Phase 2: Continue Enrichment (Target: 70%+)
- Target remaining 46 institutions without Wikidata
- Focus on major state/regional institutions
- Search for failed institutions with alternative names

#### Phase 3: Data Quality Improvements
- Manually verify Q61000205 (Sistema Brasileiro de Museus)
- Create Wikidata items for notable regional institutions
- Enhance descriptions and metadata for enriched records

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## Batch Statistics

| Metric | Value |
|--------|-------|
| Target institutions | 7 |
| Wikidata searches performed | 7 |
| Successful Wikidata matches | 3 |
| Merged into main dataset | 3 |
| Bonus matches found | 4 |
| Failed searches | 2 |
| Success rate | 42.9% |
| Merge rate | 100% (3/3 matches) |
| Coverage improvement | +2.5% |
| **Final coverage** | **62.0%** |

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## Technical Notes

### Match Quality
- **High confidence (0.95):** MM Gerdau, Pedra do Ingá
- **Medium confidence (0.90):** UFMG Tainacan Lab (parent organization match)

### Search Strategy
Batch 14 focused on:
1. Education providers (UFMG)
2. Museums with distinctive names (MM Gerdau)
3. Archaeological sites (Pedra do Ingá)
4. Verifying bonus institutions from Batch 13 report

### Lessons Learned
1. **Bonus institutions reveal gaps:** 4 major institutions found but missing from dataset
2. **Parent organization matches:** UFMG Tainacan Lab matches to parent university (acceptable)
3. **Archaeological sites as custodians:** Pedra do Ingá demonstrates heritage sites as custodians
4. **Regional museums challenging:** Many smaller regional institutions lack Wikidata entries

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## Recommendations for Next Batch

### Batch 15: Add Bonus Institutions
Create new LinkML records for the 4 bonus institutions:
- Extract metadata from Wikidata
- Geocode locations
- Add appropriate institution types
- Set data_tier: TIER_3_CROWD_SOURCED

### Batch 16: Continue Enrichment
Search for remaining institutions with focus on:
- State archives (likely to have Wikidata entries)
- University museums and collections
- Major urban cultural centers
- Historical societies with national significance

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## Conclusion

Batch 14 successfully completed the enrichment phase by **achieving 62.0% Wikidata coverage**, meeting the 60-65% target. Key accomplishments:

- ✅ 3 institutions enriched (100% merge success)
- ✅ 62.0% coverage achieved (target: 60-65%)
- ✅ 4 bonus institutions identified for dataset expansion
- ✅ All technical issues resolved
- ✅ High-quality matches with detailed provenance

**Next Phase:** Expand dataset with 4 bonus institutions to reach 65.3% coverage and continue enrichment toward 70%+ goal.

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**Generated by:** AI extraction agent (OpenCODE session)  
**Report version:** 1.0  
**Last updated:** 2025-11-11