Oyapock River
E269293
The Oyapock River is a South American river forming part of the border between French Guiana and Brazil, known for its biodiverse rainforest basin and the Oyapock River Bridge linking the two territories.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Oyapock River canonical | 2 |
| Rivière Oyapock | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1642841 — 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: Oyapock River Context triple: [Guianas, hasRiverSystem, Oyapock River]
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A.
Miranda River
The Miranda River is a waterway in South America that flows through Brazil and ultimately joins the Paraguay River within the Pantanal wetlands region.
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B.
Angostura River
The Angostura River is a significant Chilean watercourse that feeds into the Maipo River within the country’s central watershed.
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C.
Elo River
The Elo River is a waterway in Central Java, Indonesia, known for flowing near the historic Borobudur Temple and serving as a popular site for rafting and local tourism.
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D.
Croton River
The Croton River is a river in southeastern New York that flows through Westchester and Putnam counties and is a key source for New York City's Croton water supply system.
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E.
Vaza-Barris River
The Vaza-Barris River is a significant waterway in northeastern Brazil that flows through the state of Sergipe before emptying into the Atlantic Ocean.
- 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: Oyapock River Target entity description: The Oyapock River is a South American river forming part of the border between French Guiana and Brazil, known for its biodiverse rainforest basin and the Oyapock River Bridge linking the two territories.
-
A.
Miranda River
The Miranda River is a waterway in South America that flows through Brazil and ultimately joins the Paraguay River within the Pantanal wetlands region.
-
B.
Angostura River
The Angostura River is a significant Chilean watercourse that feeds into the Maipo River within the country’s central watershed.
-
C.
Elo River
The Elo River is a waterway in Central Java, Indonesia, known for flowing near the historic Borobudur Temple and serving as a popular site for rafting and local tourism.
-
D.
Croton River
The Croton River is a river in southeastern New York that flows through Westchester and Putnam counties and is a key source for New York City's Croton water supply system.
-
E.
Vaza-Barris River
The Vaza-Barris River is a significant waterway in northeastern Brazil that flows through the state of Sergipe before emptying into the Atlantic Ocean.
- 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: Oyapock River Description of subject: The Oyapock River is a South American river forming part of the border between French Guiana and Brazil, known for its biodiverse rainforest basin and the Oyapock River Bridge linking the two territories.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Rivière Oyapock