Triple
T20800687
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Vale |
E512029
|
entity |
| Predicate | hasEnvironmentalImpact |
P1006
|
FINISHED |
| Object | Brumadinho dam disaster |
—
|
NE NERFINISHED |
How this triple was built (2 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Brumadinho dam disaster | Statement: [Vale, hasEnvironmentalImpact, Brumadinho dam disaster]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Brumadinho dam disaster Context triple: [Vale, hasEnvironmentalImpact, Brumadinho dam disaster]
-
A.
Brumadinho
chosen
Brumadinho is a municipality in the Brazilian state of Minas Gerais, internationally known for the Inhotim contemporary art institute and for the 2019 mining dam disaster.
-
B.
Samarco mining disaster
The Samarco mining disaster was a 2015 dam collapse in Brazil that released millions of tons of iron ore waste, causing widespread environmental devastation and contamination of the Doce River and surrounding communities.
-
C.
Fundão dam collapse
The Fundão dam collapse was a catastrophic 2015 mining waste disaster in Brazil that released millions of cubic meters of toxic sludge, causing widespread environmental damage and contamination along the Doce River basin.
-
D.
Rio Doce
Rio Doce is a significant river in southeastern Brazil that flows through the state of Minas Gerais toward the Atlantic Ocean and has been central to the region’s ecology, economy, and environmental controversies.
-
E.
2010 Copiapó mining accident
The 2010 Copiapó mining accident was a Chilean mine collapse in which 33 miners were trapped underground for 69 days before being dramatically rescued in a globally televised operation.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69e0b4cc69f481908e98751e697b9df4 |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6c2b014648190a1133836b36c26cd |
completed | April 21, 2026, 12:20 a.m. |
Created at: April 16, 2026, 12:39 p.m.