Magé River
E282837
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Magé River canonical | 1 |
| Rio Magé | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1816482 — 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: Magé River Context triple: [Guanabara Bay, hasRiverMouth, Magé River]
-
A.
Pelotas River
The Pelotas River is a significant river in southern Brazil that forms part of the Uruguay River system and helps define sections of the border between Brazilian states.
-
B.
Gilão River
The Gilão River is a waterway in Portugal’s Algarve region that flows through the historic town of Tavira before reaching the Atlantic Ocean.
-
C.
Ipiranga River
The Ipiranga River is a historically significant waterway in São Paulo, Brazil, best known as the site where Dom Pedro I proclaimed Brazil’s independence in 1822.
-
D.
Paranaíba River
The Paranaíba River is a major river in central Brazil that forms part of the upper Paraná River basin and serves as an important waterway for agriculture, hydroelectric power, and regional ecosystems.
-
E.
Taquari River
The Taquari River is a significant waterway in central-western Brazil that flows through the Pantanal wetlands before joining the Paraguay River.
- 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: Magé River Target entity description: 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.
-
A.
Pelotas River
The Pelotas River is a significant river in southern Brazil that forms part of the Uruguay River system and helps define sections of the border between Brazilian states.
-
B.
Gilão River
The Gilão River is a waterway in Portugal’s Algarve region that flows through the historic town of Tavira before reaching the Atlantic Ocean.
-
C.
Ipiranga River
The Ipiranga River is a historically significant waterway in São Paulo, Brazil, best known as the site where Dom Pedro I proclaimed Brazil’s independence in 1822.
-
D.
Paranaíba River
The Paranaíba River is a major river in central Brazil that forms part of the upper Paraná River basin and serves as an important waterway for agriculture, hydroelectric power, and regional ecosystems.
-
E.
Taquari River
The Taquari River is a significant waterway in central-western Brazil that flows through the Pantanal wetlands before joining the Paraguay River.
- F. None of above. chosen
Statements (20)
| Predicate | Object |
|---|---|
| instanceOf |
river
ⓘ
watercourse ⓘ |
| basinCountry | Brazil ⓘ |
| country | Brazil ⓘ |
| countrySubdivision |
State of Rio de Janeiro
ⓘ
surface form:
Rio de Janeiro (state)
|
| drainageBasin | Guanabara Bay watershed ⓘ |
| emptiesInto | Guanabara Bay ⓘ |
| flowsThrough |
municipality of Magé
ⓘ
surface form:
Municipality of Magé
|
| hasNameInLanguage | Portuguese ⓘ |
| hasPortugueseName |
Magé River
self-linksurface differs
ⓘ
surface form:
Rio Magé
|
| locatedIn |
Southeast Region of Brazil
ⓘ
surface form:
Southeast Region, Brazil
State of Rio de Janeiro ⓘ |
| locatedNear |
Região Metropolitana do Rio de Janeiro
ⓘ
surface form:
Rio de Janeiro metropolitan area
|
| locatedOnContinent | South America ⓘ |
| mouth | Guanabara Bay ⓘ |
| mouthLocation | Atlantic Ocean basin ⓘ |
| namedAfter | Magé ⓘ |
| partOf | hydrographic network of Guanabara Bay ⓘ |
| region |
Região Metropolitana do Rio de Janeiro
ⓘ
surface form:
Metropolitan Region of Rio de Janeiro
|
| waterBodyType | freshwater river ⓘ |
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: Magé River Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Rio Magé