Oiapoque River
E685284
The Oiapoque River is a major river in northern South America that forms part of the border between Brazil and French Guiana before flowing into the Atlantic Ocean.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Oiapoque | 3 |
| Oiapoque River canonical | 3 |
| Rio Oiapoque | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7437744 — 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: Oiapoque River Context triple: [Amapá, hasRiver, Oiapoque River]
-
A.
Apaporis River
The Apaporis River is a remote, biodiverse waterway in the Colombian Amazon known for its rich indigenous cultures and largely untouched rainforest surroundings.
-
B.
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.
-
C.
Tamanduateí River
The Tamanduateí River is an important urban river in the São Paulo metropolitan region of Brazil, flowing through the city and joining the Tietê River.
-
D.
Aripuanã River
The Aripuanã River is a significant waterway in western Brazil that flows through the Amazon rainforest and ultimately joins the Madeira River, contributing to the Amazon Basin.
-
E.
Sarapiquí River
The Sarapiquí River is a significant waterway in northern Costa Rica known for its rich biodiversity, agricultural importance, and popularity for ecotourism and white-water rafting.
- 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: Oiapoque River Target entity description: The Oiapoque River is a major river in northern South America that forms part of the border between Brazil and French Guiana before flowing into the Atlantic Ocean.
-
A.
Apaporis River
The Apaporis River is a remote, biodiverse waterway in the Colombian Amazon known for its rich indigenous cultures and largely untouched rainforest surroundings.
-
B.
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.
-
C.
Tamanduateí River
The Tamanduateí River is an important urban river in the São Paulo metropolitan region of Brazil, flowing through the city and joining the Tietê River.
-
D.
Aripuanã River
The Aripuanã River is a significant waterway in western Brazil that flows through the Amazon rainforest and ultimately joins the Madeira River, contributing to the Amazon Basin.
-
E.
Sarapiquí River
The Sarapiquí River is a significant waterway in northern Costa Rica known for its rich biodiversity, agricultural importance, and popularity for ecotourism and white-water rafting.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| adjacentTo |
Oiapoque (municipality)
NERFINISHED
ⓘ
Saint-Georges-de-l'Oyapock NERFINISHED ⓘ |
| borderCountry |
Brazil
NERFINISHED
ⓘ
France NERFINISHED ⓘ |
| borderRegion |
Amapá
NERFINISHED
ⓘ
French Guiana NERFINISHED ⓘ |
| borderRole | natural border ⓘ |
| continent | South America ⓘ |
| country |
Brazil
ⓘ
France ⓘ |
| dischargeBasin | Atlantic Ocean basin NERFINISHED ⓘ |
| emptiesInto | Atlantic Ocean NERFINISHED ⓘ |
| flowsDirection | generally northward ⓘ |
| flowsThrough | Amapá NERFINISHED ⓘ |
| formsBorderBetween |
Brazil
NERFINISHED
ⓘ
French Guiana NERFINISHED ⓘ |
| hasEcologicalRole | supports Amazonian and Guianan ecosystems near its basin ⓘ |
| hasPoliticalSignificance | defines part of the boundary between Brazil and the European Union via French Guiana ⓘ |
| languageVariantName |
Oiapoque
NERFINISHED
ⓘ
Oyapock River NERFINISHED ⓘ Rio Oiapoque NERFINISHED ⓘ Rivière Oyapock NERFINISHED ⓘ |
| locatedIn | Amapá NERFINISHED ⓘ |
| locatedInRegion |
French Guiana
NERFINISHED
ⓘ
northern Brazil ⓘ |
| locatedInTimeZone | UTC−03:00 ⓘ |
| mouth | Atlantic Ocean NERFINISHED ⓘ |
| mouthLocation |
border of Brazil and French Guiana
ⓘ
northern coast of Brazil ⓘ |
| partOfBorder | Brazil–French Guiana border 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: Oiapoque River Description of subject: The Oiapoque River is a major river in northern South America that forms part of the border between Brazil and French Guiana before flowing into the Atlantic Ocean.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Oiapoque
this entity surface form:
Oiapoque
this entity surface form:
Oiapoque
this entity surface form:
Rio Oiapoque