Rio Gravataí
E1474086
UNEXPLORED
Rio Gravataí is a river in the state of Rio Grande do Sul in southern Brazil, known for flowing through the Porto Alegre metropolitan region and playing an important role in local water supply and ecosystems.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Rio Gravataí canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T20937900 — 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: Rio Gravataí Context triple: [Gravataí River, nameInPortuguese, Rio Gravataí]
-
A.
Portuguesa River
The Portuguesa River is a significant waterway in western Venezuela that flows through and lends its name to Portuguesa State, supporting regional agriculture and settlements.
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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.
Rio Pajeú
Rio Pajeú is a river in northeastern Brazil that flows through the state of Pernambuco and contributes significantly to the São Francisco River basin.
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D.
Rio-Sul
Rio-Sul was a Brazilian regional airline that operated domestic passenger services, primarily in the southern regions of Brazil.
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E.
Rio Madeira
Rio Madeira is one of the largest tributaries of the Amazon River in South America, flowing through Bolivia and Brazil and serving as a major waterway for transport, ecology, and hydroelectric power.
- 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: Rio Gravataí Target entity description: Rio Gravataí is a river in the state of Rio Grande do Sul in southern Brazil, known for flowing through the Porto Alegre metropolitan region and playing an important role in local water supply and ecosystems.
-
A.
Portuguesa River
The Portuguesa River is a significant waterway in western Venezuela that flows through and lends its name to Portuguesa State, supporting regional agriculture and settlements.
-
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.
Rio Pajeú
Rio Pajeú is a river in northeastern Brazil that flows through the state of Pernambuco and contributes significantly to the São Francisco River basin.
-
D.
Rio-Sul
Rio-Sul was a Brazilian regional airline that operated domestic passenger services, primarily in the southern regions of Brazil.
-
E.
Rio Madeira
Rio Madeira is one of the largest tributaries of the Amazon River in South America, flowing through Bolivia and Brazil and serving as a major waterway for transport, ecology, and hydroelectric power.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.