São Simão Dam
E563692
São Simão Dam is a large hydroelectric power facility in Brazil known for generating electricity and forming the São Simão Reservoir on the Paranaíba River.
All labels observed (2)
| Label | Occurrences |
|---|---|
| São Simão Dam canonical | 1 |
| São Simão Reservoir | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6038042 — 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: São Simão Dam Context triple: [Paranaíba River, hasHydroelectricPlant, São Simão 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.
Barra Bonita Dam
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.
-
C.
Angostura Dam
Angostura Dam is a hydroelectric power facility located on Chile’s Biobío River, contributing to the country’s renewable energy generation.
-
D.
Angostura Dam
Angostura Dam is a major hydroelectric dam in Mexico that forms part of the country’s important Grijalva River power generation system.
-
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: São Simão Dam Target entity description: São Simão Dam is a large hydroelectric power facility in Brazil known for generating electricity and forming the São Simão Reservoir on the Paranaíba River.
-
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.
Barra Bonita Dam
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.
-
C.
Angostura Dam
Angostura Dam is a hydroelectric power facility located on Chile’s Biobío River, contributing to the country’s renewable energy generation.
-
D.
Angostura Dam
Angostura Dam is a major hydroelectric dam in Mexico that forms part of the country’s important Grijalva River power generation system.
-
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 (45)
| Predicate | Object |
|---|---|
| instanceOf |
gravity dam
ⓘ
hydroelectric dam ⓘ |
| basinCountry | Brazil NERFINISHED ⓘ |
| constructionStartDate | 1973 ⓘ |
| continent | South America ⓘ |
| country | Brazil ⓘ |
| crossesBorderBetween |
Goiás
NERFINISHED
ⓘ
Minas Gerais NERFINISHED ⓘ |
| energySource | hydropower ⓘ |
| formsReservoir | São Simão Reservoir NERFINISHED ⓘ |
| hasFunction |
electricity generation
ⓘ
water storage ⓘ |
| hasPowerPlant | São Simão Hydroelectric Power Plant NERFINISHED ⓘ |
| hasSpillway | yes ⓘ |
| inflow | Paranaíba River NERFINISHED ⓘ |
| installedCapacity | 1710 MW ⓘ |
| languageOfToponym | Portuguese ⓘ |
| locatedIn | Brazil NERFINISHED ⓘ |
| locatedInState |
Goiás
NERFINISHED
ⓘ
Minas Gerais NERFINISHED ⓘ |
| locatedNear |
Santa Vitória, Minas Gerais
NERFINISHED
ⓘ
São Simão, Goiás NERFINISHED ⓘ |
| locatedOnRiver | Paranaíba River NERFINISHED ⓘ |
| namedAfter | São Simão municipality NERFINISHED ⓘ |
| numberOfTurbines | 6 ⓘ |
| openingDate | 1978 ⓘ |
| operator |
Cemig
NERFINISHED
ⓘ
Furnas Centrais Elétricas NERFINISHED ⓘ |
| outflow | Paranaíba River NERFINISHED ⓘ |
| ownedBy |
Cemig
NERFINISHED
ⓘ
Furnas Centrais Elétricas NERFINISHED ⓘ |
| partOf |
Brazilian National Interconnected System
NERFINISHED
ⓘ
Paranaíba River hydroelectric cascade ⓘ |
| purpose |
hydroelectric power generation
ⓘ
navigation support ⓘ river regulation ⓘ |
| region |
Central-West Region of Brazil
NERFINISHED
ⓘ
Southeast Region of Brazil NERFINISHED ⓘ |
| reservoirName | São Simão Reservoir NERFINISHED ⓘ |
| reservoirSurfaceArea | about 722 square kilometres ⓘ |
| reservoirTotalCapacity | about 12.5 cubic kilometres ⓘ |
| riverBasin | Paraná River basin NERFINISHED ⓘ |
| spillwayType | gated overflow ⓘ |
| status | operational ⓘ |
| turbineType | Francis turbine ⓘ |
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: São Simão Dam Description of subject: São Simão Dam is a large hydroelectric power facility in Brazil known for generating electricity and forming the São Simão Reservoir on the Paranaíba River.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
São Simão Reservoir