Iguazu River
E140973
The Iguazu River is a South American river famed for the spectacular Iguazu Falls along the border between Brazil and Argentina.
All labels observed (8)
| Label | Occurrences |
|---|---|
| Iguazú River | 6 |
| Iguazu River canonical | 4 |
| Iguaçu River | 3 |
| Iguazú River and Paraná River | 1 |
| Iguaçu River basin | 1 |
| Rio Iguaçu | 1 |
| Río Iguazú | 1 |
| Río Iguaçu | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T822891 — 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: Iguazu River Context triple: [Paraná River, majorTributary, Iguazu River]
-
A.
Paraguay River
The Paraguay River is a major South American waterway that flows through Brazil, Bolivia, Paraguay, and Argentina, forming part of the Río de la Plata Basin and serving as a vital route for transport, agriculture, and ecosystems in the region.
-
B.
Paraná River
The Paraná River is one of South America's longest and most important rivers, flowing through Brazil, Paraguay, and Argentina and serving as a key waterway for transport, hydroelectric power, and regional ecosystems.
-
C.
Uruguay River
The Uruguay River is a major South American waterway that forms part of the border between Argentina, Brazil, and Uruguay before joining the Paraná River to create the Río de la Plata estuary.
-
D.
Tapajós River
The Tapajós River is a large clearwater river in northern Brazil that flows through the Amazon rainforest and is one of the Amazon River’s most significant tributaries.
-
E.
Rio
Rio is a 2011 animated adventure-comedy film set in Brazil that follows a domesticated macaw’s journey of self-discovery amid vibrant music and colorful Rio de Janeiro scenery.
- 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: Iguazu River Target entity description: The Iguazu River is a South American river famed for the spectacular Iguazu Falls along the border between Brazil and Argentina.
-
A.
Paraguay River
The Paraguay River is a major South American waterway that flows through Brazil, Bolivia, Paraguay, and Argentina, forming part of the Río de la Plata Basin and serving as a vital route for transport, agriculture, and ecosystems in the region.
-
B.
Paraná River
The Paraná River is one of South America's longest and most important rivers, flowing through Brazil, Paraguay, and Argentina and serving as a key waterway for transport, hydroelectric power, and regional ecosystems.
-
C.
Uruguay River
The Uruguay River is a major South American waterway that forms part of the border between Argentina, Brazil, and Uruguay before joining the Paraná River to create the Río de la Plata estuary.
-
D.
Tapajós River
The Tapajós River is a large clearwater river in northern Brazil that flows through the Amazon rainforest and is one of the Amazon River’s most significant tributaries.
-
E.
Rio
Rio is a 2011 animated adventure-comedy film set in Brazil that follows a domesticated macaw’s journey of self-discovery amid vibrant music and colorful Rio de Janeiro scenery.
- F. None of above. chosen
Statements (46)
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: Iguazu River Description of subject: The Iguazu River is a South American river famed for the spectacular Iguazu Falls along the border between Brazil and Argentina.
Referenced by (18)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Iguaçu River
this entity surface form:
Iguaçu River
this entity surface form:
Iguazú River
this entity surface form:
Iguazú River and Paraná River
this entity surface form:
Iguazú River
this entity surface form:
Rio Iguaçu
this entity surface form:
Río Iguazú
this entity surface form:
Río Iguaçu
this entity surface form:
Iguazú River
this entity surface form:
Iguazú River
this entity surface form:
Iguazú River
subject surface form:
Paraná (state)
this entity surface form:
Iguaçu River
this entity surface form:
Iguazú River