Triple
T20800652
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Vale |
E512029
|
entity |
| Predicate | formerName |
P65
|
FINISHED |
| Object | Companhia Vale do Rio Doce |
—
|
NE NERFINISHED |
How this triple was built (3 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: Companhia Vale do Rio Doce | Statement: [Vale, formerName, Companhia Vale do Rio Doce]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Companhia Vale do Rio Doce Context triple: [Vale, formerName, Companhia Vale do Rio Doce]
-
A.
Companhia Siderúrgica Nacional
Companhia Siderúrgica Nacional is one of Brazil’s largest integrated steel producers, historically significant for driving the country’s industrialization.
-
B.
Samarco
Samarco is a Brazilian mining company best known for operating iron ore facilities in Minas Gerais and Espírito Santo and for its involvement in the 2015 Mariana dam disaster.
-
C.
Memorial Minas Gerais Vale
Memorial Minas Gerais Vale is a cultural and historical museum in Belo Horizonte, Brazil, dedicated to showcasing the heritage, art, and traditions of the state of Minas Gerais through interactive and multimedia exhibits.
-
D.
Minas-Rio
Minas-Rio is a large-scale iron ore mining and pipeline project in Brazil known for supplying high-grade ore to global markets.
-
E.
Altos Hornos de México
Altos Hornos de México is one of Mexico’s largest integrated steel producers, known for its major steelmaking operations and industrial influence in the country.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Companhia Vale do Rio Doce Target entity description: Companhia Vale do Rio Doce was a major Brazilian state-owned mining company, particularly known for its iron ore production, that later became the privatized global mining giant Vale S.A.
-
A.
Companhia Siderúrgica Nacional
Companhia Siderúrgica Nacional is one of Brazil’s largest integrated steel producers, historically significant for driving the country’s industrialization.
-
B.
Samarco
Samarco is a Brazilian mining company best known for operating iron ore facilities in Minas Gerais and Espírito Santo and for its involvement in the 2015 Mariana dam disaster.
-
C.
Memorial Minas Gerais Vale
Memorial Minas Gerais Vale is a cultural and historical museum in Belo Horizonte, Brazil, dedicated to showcasing the heritage, art, and traditions of the state of Minas Gerais through interactive and multimedia exhibits.
-
D.
Minas-Rio
Minas-Rio is a large-scale iron ore mining and pipeline project in Brazil known for supplying high-grade ore to global markets.
-
E.
Altos Hornos de México
Altos Hornos de México is one of Mexico’s largest integrated steel producers, known for its major steelmaking operations and industrial influence in the country.
- F. None of above. chosen
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.