Foz do Chapecó Dam
E188610
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.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Foz do Chapecó Dam canonical | 1 |
| Foz do Chapecó Reservoir | 1 |
| Usina Hidrelétrica Foz do Chapecó | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1567865 — 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: Foz do Chapecó Dam Context triple: [Uruguay River, hasDam, Foz do Chapecó Dam]
-
A.
Yacyretá Dam
The Yacyretá Dam is a large hydroelectric power plant on the border between Argentina and Paraguay that generates electricity by harnessing the flow of the Paraná River.
-
B.
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.
-
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.
Florentino Ameghino Dam
Florentino Ameghino Dam is a large hydroelectric and irrigation dam in Argentina’s Chubut Province, built on the Chubut River to control floods and support regional development.
-
E.
Cahora Bassa Dam
Cahora Bassa Dam is a major hydroelectric dam in Mozambique that forms one of Africa’s largest artificial lakes and supplies significant power to the region.
- 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: Foz do Chapecó Dam Target entity description: 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.
-
A.
Yacyretá Dam
The Yacyretá Dam is a large hydroelectric power plant on the border between Argentina and Paraguay that generates electricity by harnessing the flow of the Paraná River.
-
B.
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.
-
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.
Florentino Ameghino Dam
Florentino Ameghino Dam is a large hydroelectric and irrigation dam in Argentina’s Chubut Province, built on the Chubut River to control floods and support regional development.
-
E.
Cahora Bassa Dam
Cahora Bassa Dam is a major hydroelectric dam in Mozambique that forms one of Africa’s largest artificial lakes and supplies significant power to the region.
- F. None of above. chosen
Statements (48)
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: Foz do Chapecó Dam Description of subject: 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.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Foz do Chapecó Reservoir
this entity surface form:
Usina Hidrelétrica Foz do Chapecó