Ipanema River
E863549
The Ipanema River is a significant watercourse in northeastern Brazil that serves as an important tributary within the São Francisco River basin.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ipanema River canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10071581 — 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: Ipanema River Context triple: [São Francisco River, majorTributary, Ipanema River]
-
A.
Carioca River
The Carioca River is a small urban waterway in Rio de Janeiro, Brazil, historically important as a source of fresh water for the city and now known for running through the Tijuca Forest and into Guanabara Bay.
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B.
Canoas River
The Canoas River is a significant waterway in southern Brazil that joins with the Pelotas River to form the Uruguay River, an important river of the Southern Cone.
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C.
Magé River
The Magé River is a watercourse in the state of Rio de Janeiro, Brazil, that flows through the municipality of Magé before emptying into Guanabara Bay.
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D.
Negro River
The Negro River is a major river in northern Patagonia, Argentina, formed by the confluence of the Limay and Neuquén rivers and known for its importance to regional agriculture and settlements.
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E.
Negro River
The Negro River is a major tributary of the Amazon River in South America, flowing through Colombia and Brazil and known for its dark, tannin-rich waters.
- 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: Ipanema River Target entity description: The Ipanema River is a significant watercourse in northeastern Brazil that serves as an important tributary within the São Francisco River basin.
-
A.
Carioca River
The Carioca River is a small urban waterway in Rio de Janeiro, Brazil, historically important as a source of fresh water for the city and now known for running through the Tijuca Forest and into Guanabara Bay.
-
B.
Canoas River
The Canoas River is a significant waterway in southern Brazil that joins with the Pelotas River to form the Uruguay River, an important river of the Southern Cone.
-
C.
Magé River
The Magé River is a watercourse in the state of Rio de Janeiro, Brazil, that flows through the municipality of Magé before emptying into Guanabara Bay.
-
D.
Negro River
The Negro River is a major river in northern Patagonia, Argentina, formed by the confluence of the Limay and Neuquén rivers and known for its importance to regional agriculture and settlements.
-
E.
Negro River
The Negro River is a major tributary of the Amazon River in South America, flowing through Colombia and Brazil and known for its dark, tannin-rich waters.
- F. None of above. chosen
Statements (10)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| continent | South America ⓘ |
| country | Brazil ⓘ |
| drainageBasin | São Francisco River basin ⓘ |
| hasLanguageRegion | Portuguese-speaking world ⓘ |
| hasMouthInCountry | Brazil NERFINISHED ⓘ |
| hydrologicalSystem | São Francisco River system ⓘ |
| locatedIn | northeastern Brazil ⓘ |
| partOf | São Francisco River basin NERFINISHED ⓘ |
| tributaryOf | São Francisco River NERFINISHED ⓘ |
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: Ipanema River Description of subject: The Ipanema River is a significant watercourse in northeastern Brazil that serves as an important tributary within the São Francisco River basin.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.