Triple
T14495672
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Doce River |
E359489
|
entity |
| Predicate | associatedWithCompany |
P629
|
FINISHED |
| Object |
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.
|
E1103684
|
NE FINISHED |
How this triple was built (4 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: Samarco | Statement: [Doce River, associatedWithCompany, Samarco]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Samarco Context triple: [Doce River, associatedWithCompany, Samarco]
-
A.
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.
-
B.
Tembec
Tembec is a Canadian forest products company known for producing lumber, pulp, and paper from operations across Canada and France.
-
C.
Rio Tinto
Rio Tinto is a leading global mining and metals company headquartered in the United Kingdom and Australia, known for producing iron ore, aluminum, copper, and other minerals.
-
D.
Mmakau Mining
Mmakau Mining is a South African mining company known for its black female leadership and involvement in various mineral resource projects across the country.
-
E.
Ok Tedi Mine
Ok Tedi Mine is a large open-pit copper and gold mine in Papua New Guinea, widely known for its significant environmental impacts on the surrounding river systems and communities.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Samarco Triple: [Doce River, associatedWithCompany, Samarco]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Samarco Target entity description: 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.
-
A.
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.
-
B.
Tembec
Tembec is a Canadian forest products company known for producing lumber, pulp, and paper from operations across Canada and France.
-
C.
Rio Tinto
Rio Tinto is a leading global mining and metals company headquartered in the United Kingdom and Australia, known for producing iron ore, aluminum, copper, and other minerals.
-
D.
Mmakau Mining
Mmakau Mining is a South African mining company known for its black female leadership and involvement in various mineral resource projects across the country.
-
E.
Ok Tedi Mine
Ok Tedi Mine is a large open-pit copper and gold mine in Papua New Guinea, widely known for its significant environmental impacts on the surrounding river systems and communities.
- F. None of above. chosen
Provenance (5 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_69d8279740308190af9df93a3af8592e |
completed | April 9, 2026, 10:26 p.m. |
| NER | Named-entity recognition | batch_69de93109cb081909a6e846db23a4635 |
completed | April 14, 2026, 7:18 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fd6d9731588190b27a826582e5fc6d |
completed | May 8, 2026, 4:59 a.m. |
| NEDg | Description generation | batch_69fd6f80e3a081908c43915275898852 |
completed | May 8, 2026, 5:07 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69fd7016a3c48190a1ea2fefeea92c60 |
completed | May 8, 2026, 5:09 a.m. |
Created at: April 10, 2026, 1:21 a.m.