Triple
T22775763
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | São Simão Dam |
E563692
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Cemig |
—
|
NE NERFINISHED |
Named-entity recognition
Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.
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: Cemig | Statement: [São Simão Dam, operator, Cemig]
Disambiguation candidates (2 decisions)
The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cemig Context triple: [São Simão Dam, operator, Cemig]
-
A.
Eletrosul
Eletrosul is a Brazilian state-owned electric power company focused on generation and transmission in the southern region of Brazil.
-
B.
CPFL Energia
CPFL Energia is a major Brazilian electric utility company engaged in the generation, distribution, and commercialization of electricity across multiple regions of Brazil.
-
C.
Companhia Energética de São Paulo
Companhia Energética de São Paulo is a Brazilian electric power company that operates hydroelectric facilities and related energy infrastructure in the state of São Paulo.
-
D.
Santo Antônio Energia
Santo Antônio Energia is a Brazilian energy company responsible for operating and managing the Santo Antônio hydroelectric power plant on the Madeira River.
-
E.
Eletrobras
Eletrobras is Brazil’s largest electric utility company, primarily state-controlled and a major player in power generation and transmission across 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: Cemig Target entity description: Cemig is a major Brazilian electric utility company that generates, transmits, and distributes electricity, including operating large hydroelectric facilities.
-
A.
Eletrosul
Eletrosul is a Brazilian state-owned electric power company focused on generation and transmission in the southern region of Brazil.
-
B.
CPFL Energia
CPFL Energia is a major Brazilian electric utility company engaged in the generation, distribution, and commercialization of electricity across multiple regions of Brazil.
-
C.
Companhia Energética de São Paulo
Companhia Energética de São Paulo is a Brazilian electric power company that operates hydroelectric facilities and related energy infrastructure in the state of São Paulo.
-
D.
Santo Antônio Energia
Santo Antônio Energia is a Brazilian energy company responsible for operating and managing the Santo Antônio hydroelectric power plant on the Madeira River.
-
E.
Eletrobras
Eletrobras is Brazil’s largest electric utility company, primarily state-controlled and a major player in power generation and transmission across the country.
- F. None of above. chosen
Provenance (2 batches)
| Stage | Batch ID | Job type | Status |
|---|---|---|---|
| creating | batch_69e24554497c819080b996e071de27c2 |
elicitation | completed |
| NER | batch_69f17b61acf881909d9f54e0966ee3cc |
ner | completed |
Created at: April 17, 2026, 3:28 p.m.