Barra Bonita Dam
E542268
Barra Bonita Dam is a hydroelectric and navigation dam complex in the state of São Paulo, Brazil, known for regulating the Tietê River and forming the Barra Bonita Reservoir.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Barra Bonita Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5517823 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Barra Bonita Dam Context triple: [Tietê River, hasDam, Barra Bonita Dam]
-
A.
Santo Antônio Dam
Santo Antônio Dam is a large hydroelectric power plant in Brazil, built on the Madeira River near Porto Velho to generate electricity as part of the Madeira River energy complex.
-
B.
Angostura Dam
Angostura Dam is a hydroelectric power facility located on Chile’s Biobío River, contributing to the country’s renewable energy generation.
-
C.
Angostura Dam
Angostura Dam is a major hydroelectric dam in Mexico that forms part of the country’s important Grijalva River power generation system.
-
D.
Salto Grande Dam
Salto Grande Dam is a large hydroelectric dam and binational power station on the Uruguay River, jointly operated by Argentina and Uruguay.
-
E.
Foz do Chapecó Dam
Foz do Chapecó Dam is a hydroelectric power plant and dam complex located on the Uruguay River in southern Brazil, known for its significant contribution to regional electricity generation.
- 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: Barra Bonita Dam Target entity description: Barra Bonita Dam is a hydroelectric and navigation dam complex in the state of São Paulo, Brazil, known for regulating the Tietê River and forming the Barra Bonita Reservoir.
-
A.
Santo Antônio Dam
Santo Antônio Dam is a large hydroelectric power plant in Brazil, built on the Madeira River near Porto Velho to generate electricity as part of the Madeira River energy complex.
-
B.
Angostura Dam
Angostura Dam is a hydroelectric power facility located on Chile’s Biobío River, contributing to the country’s renewable energy generation.
-
C.
Angostura Dam
Angostura Dam is a major hydroelectric dam in Mexico that forms part of the country’s important Grijalva River power generation system.
-
D.
Salto Grande Dam
Salto Grande Dam is a large hydroelectric dam and binational power station on the Uruguay River, jointly operated by Argentina and Uruguay.
-
E.
Foz do Chapecó Dam
Foz do Chapecó Dam is a hydroelectric power plant and dam complex located on the Uruguay River in southern Brazil, known for its significant contribution to regional electricity generation.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
gravity dam
ⓘ
hydroelectric dam ⓘ navigation dam ⓘ |
| abbreviationOfOperator | CESP NERFINISHED ⓘ |
| belongsToSector |
electric power sector of Brazil
ⓘ
inland navigation sector of Brazil ⓘ |
| constructionMaterial | concrete ⓘ |
| continent | South America ⓘ |
| country | Brazil ⓘ |
| energySource | hydropower ⓘ |
| formsReservoir | Barra Bonita Reservoir NERFINISHED ⓘ |
| hasEconomicImpactOn |
Barra Bonita municipality
NERFINISHED
ⓘ
Igaraçu do Tietê municipality NERFINISHED ⓘ |
| hasFunction |
improving navigation on the Tietê River
ⓘ
stabilizing river flow ⓘ |
| hasInfrastructure |
powerhouse
ⓘ
ship lock ⓘ spillway gates ⓘ |
| hasNavigationLocks | yes ⓘ |
| hasReservoirUse |
boating
ⓘ
sport fishing ⓘ tourism ⓘ |
| hasSpillway | yes ⓘ |
| isOnWaterway | Tietê-Paraná waterway NERFINISHED ⓘ |
| isPartOf | Tietê River cascade of dams ⓘ |
| locatedIn | State of São Paulo NERFINISHED ⓘ |
| locatedInRegion | Southeast Region of Brazil NERFINISHED ⓘ |
| locatedOnRiver | Tietê River NERFINISHED ⓘ |
| nearCity |
Barra Bonita, São Paulo
NERFINISHED
ⓘ
Igaraçu do Tietê, São Paulo NERFINISHED ⓘ |
| operator | Companhia Energética de São Paulo NERFINISHED ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ navigation ⓘ recreation ⓘ river regulation ⓘ |
| regionHydrologyRole | key regulating structure on the middle Tietê River ⓘ |
| regulatesRiver | Tietê River NERFINISHED ⓘ |
| reservoirName | Barra Bonita Reservoir NERFINISHED ⓘ |
| riverBasin | Paraná River basin NERFINISHED ⓘ |
| usedFor |
electricity supply in São Paulo state
ⓘ
inland waterway transport ⓘ |
| waterBodyCreated | artificial lake ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Barra Bonita Dam Description of subject: Barra Bonita Dam is a hydroelectric and navigation dam complex in the state of São Paulo, Brazil, known for regulating the Tietê River and forming the Barra Bonita Reservoir.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.