Triple

T22775772

Position	Surface form	Disambiguated ID	Type / Status
Subject	São Simão Dam	`E563692`	entity
Predicate	hasPowerPlant	`P9904`	FINISHED
Object	São Simão Hydroelectric Power Plant	`—`	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: São Simão Hydroelectric Power Plant | Statement: [São Simão Dam, hasPowerPlant, São Simão Hydroelectric Power Plant]

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: São Simão Hydroelectric Power Plant
Context triple: [São Simão Dam, hasPowerPlant, São Simão Hydroelectric Power Plant]

A. Paulo Afonso Hydroelectric Complex
The Paulo Afonso Hydroelectric Complex is a major Brazilian hydroelectric power facility on the São Francisco River, known for its large cascade of dams and significant contribution to the country’s electricity supply.
B. Usina Hidrelétrica de Três Irmãos
Usina Hidrelétrica de Três Irmãos is a major hydroelectric power plant and dam complex located on the Tietê River in the state of São Paulo, Brazil.
C. Alicurá Hydroelectric Power Station
Alicurá Hydroelectric Power Station is a major hydroelectric facility in Argentina that generates electricity using water impounded by the Alicurá Dam on the Limay River.
D. Funil Hydroelectric Plant
The Funil Hydroelectric Plant is a Brazilian power station that generates electricity from the waters of the Paraíba do Sul River.
E. Belo Monte Dam
The Belo Monte Dam is a massive hydroelectric complex in Brazil’s Amazon region, known for its high power capacity and significant environmental and social controversy.
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: São Simão Hydroelectric Power Plant
Target entity description: The São Simão Hydroelectric Power Plant is a large Brazilian hydroelectric facility on the Paranaíba River, known for its significant electricity generation capacity and role in the national power grid.

A. Paulo Afonso Hydroelectric Complex
The Paulo Afonso Hydroelectric Complex is a major Brazilian hydroelectric power facility on the São Francisco River, known for its large cascade of dams and significant contribution to the country’s electricity supply.
B. Usina Hidrelétrica de Três Irmãos
Usina Hidrelétrica de Três Irmãos is a major hydroelectric power plant and dam complex located on the Tietê River in the state of São Paulo, Brazil.
C. Alicurá Hydroelectric Power Station
Alicurá Hydroelectric Power Station is a major hydroelectric facility in Argentina that generates electricity using water impounded by the Alicurá Dam on the Limay River.
D. Funil Hydroelectric Plant
The Funil Hydroelectric Plant is a Brazilian power station that generates electricity from the waters of the Paraíba do Sul River.
E. Belo Monte Dam
The Belo Monte Dam is a massive hydroelectric complex in Brazil’s Amazon region, known for its high power capacity and significant environmental and social controversy.
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.