Três Irmãos Dam
E529676
Três Irmãos Dam is a large hydroelectric and flood-control dam complex located on the Tietê River in the state of São Paulo, Brazil.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Três Irmãos Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5517828 — 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: Três Irmãos Dam Context triple: [Tietê River, hasDam, Três Irmãos Dam]
-
A.
Ometo
Ometo is another name for the Wolaytta language, an Omotic language spoken primarily in southwestern Ethiopia.
-
B.
Coruripe
Coruripe is a coastal municipality in northeastern Brazil known for its beaches, fishing activities, and sugarcane agriculture.
-
C.
The Dam
The Dam is the official name of the Oregon State Beavers football student section, known for its loud, energetic support at home games in Corvallis.
-
D.
Reritiba
Reritiba is a historic locality in Brazil, known as the place where the Jesuit missionary and saint José de Anchieta died.
-
E.
Pirassununga
Pirassununga is a municipality in the state of São Paulo, Brazil, known for its agricultural activities and as a site of a major University of São Paulo campus.
- 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: Três Irmãos Dam Target entity description: Três Irmãos Dam is a large hydroelectric and flood-control dam complex located on the Tietê River in the state of São Paulo, Brazil.
-
A.
Ometo
Ometo is another name for the Wolaytta language, an Omotic language spoken primarily in southwestern Ethiopia.
-
B.
Coruripe
Coruripe is a coastal municipality in northeastern Brazil known for its beaches, fishing activities, and sugarcane agriculture.
-
C.
The Dam
The Dam is the official name of the Oregon State Beavers football student section, known for its loud, energetic support at home games in Corvallis.
-
D.
Reritiba
Reritiba is a historic locality in Brazil, known as the place where the Jesuit missionary and saint José de Anchieta died.
-
E.
Pirassununga
Pirassununga is a municipality in the state of São Paulo, Brazil, known for its agricultural activities and as a site of a major University of São Paulo campus.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
flood control structure
ⓘ
gravity dam ⓘ hydroelectric dam ⓘ |
| basinCountry | Brazil NERFINISHED ⓘ |
| constructionBegan | 1978 ⓘ |
| continent | South America ⓘ |
| country | Brazil ⓘ |
| hasEnergySource | hydropower ⓘ |
| hasFloodControlRole | yes ⓘ |
| hasFunction |
flow regulation for downstream dams
ⓘ
peak electricity supply ⓘ |
| hasNameInPortuguese | Usina Hidrelétrica de Três Irmãos NERFINISHED ⓘ |
| hasNavigationLocks | yes ⓘ |
| hasSpillway | yes ⓘ |
| hasStructureType | concrete dam ⓘ |
| inflow | Tietê River NERFINISHED ⓘ |
| installedCapacity | 807 MW ⓘ |
| isPartOfSystemWith |
Ilha Solteira Dam
NERFINISHED
ⓘ
Jupiá Dam NERFINISHED ⓘ other Tietê River dams ⓘ |
| locatedIn | São Paulo (state) NERFINISHED ⓘ |
| locatedInCountrySubdivision | Southeast Region, Brazil NERFINISHED ⓘ |
| locatedInHydrologicalRegion | Upper Paraná basin NERFINISHED ⓘ |
| locatedInProtectedBasin | Tietê–Paraná waterway system NERFINISHED ⓘ |
| locatedNear |
Andradina, São Paulo
NERFINISHED
ⓘ
Castilho, São Paulo NERFINISHED ⓘ |
| locatedOnRiver | Tietê River NERFINISHED ⓘ |
| numberOfTurbines | 5 ⓘ |
| openingDate | 1991 ⓘ |
| operator | Companhia Energética de São Paulo NERFINISHED ⓘ |
| outflow | Tietê River NERFINISHED ⓘ |
| owner | Companhia Energética de São Paulo NERFINISHED ⓘ |
| partOf | Tietê River cascade NERFINISHED ⓘ |
| plantType | run-of-the-river ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ navigation improvement ⓘ |
| regionServed | State of São Paulo NERFINISHED ⓘ |
| reservoirName |
Lago Três Irmãos
NERFINISHED
ⓘ
Três Irmãos Reservoir NERFINISHED ⓘ |
| reservoirRiver | Tietê River NERFINISHED ⓘ |
| spillwayType | gated overflow spillway ⓘ |
| status | operational ⓘ |
| turbineType | Kaplan turbine NERFINISHED ⓘ |
| usedFor |
electricity generation for São Paulo state
ⓘ
river navigation support ⓘ |
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: Três Irmãos Dam Description of subject: Três Irmãos Dam is a large hydroelectric and flood-control dam complex located on the Tietê River in the state of São Paulo, Brazil.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.