Sarapuí River
E326227
The Sarapuí River is a watercourse in the state of Rio de Janeiro, Brazil, that flows through the metropolitan region before emptying into Guanabara Bay.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Rio Sarapuí (Portuguese) | 1 |
| Sarapuí River canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1816481 — 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: Sarapuí River Context triple: [Guanabara Bay, hasRiverMouth, Sarapuí River]
-
A.
Guapimirim River
The Guapimirim River is a Brazilian river in the state of Rio de Janeiro that flows through the Guapimirim Environmental Protection Area before emptying into Guanabara Bay.
-
B.
Taquari River
The Taquari River is a significant waterway in central-western Brazil that flows through the Pantanal wetlands before joining the Paraguay River.
-
C.
Tietê River
The Tietê River is a significant waterway in southeastern Brazil that flows across the state of São Paulo and plays a key role in the region’s ecology, economy, and urban landscape.
-
D.
Ijuí River
The Ijuí River is a significant waterway in southern Brazil that contributes to the Uruguay River basin and supports regional ecosystems and human activities.
-
E.
Piraí River
The Piraí River is a significant river in eastern Bolivia that flows near and helps define the landscape of the city of Santa Cruz de la Sierra.
- 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: Sarapuí River Target entity description: The Sarapuí River is a watercourse in the state of Rio de Janeiro, Brazil, that flows through the metropolitan region before emptying into Guanabara Bay.
-
A.
Guapimirim River
The Guapimirim River is a Brazilian river in the state of Rio de Janeiro that flows through the Guapimirim Environmental Protection Area before emptying into Guanabara Bay.
-
B.
Taquari River
The Taquari River is a significant waterway in central-western Brazil that flows through the Pantanal wetlands before joining the Paraguay River.
-
C.
Tietê River
The Tietê River is a significant waterway in southeastern Brazil that flows across the state of São Paulo and plays a key role in the region’s ecology, economy, and urban landscape.
-
D.
Ijuí River
The Ijuí River is a significant waterway in southern Brazil that contributes to the Uruguay River basin and supports regional ecosystems and human activities.
-
E.
Piraí River
The Piraí River is a significant river in eastern Bolivia that flows near and helps define the landscape of the city of Santa Cruz de la Sierra.
- F. None of above. chosen
Statements (20)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry | Brazil ⓘ |
| continent | South America ⓘ |
| country | Brazil ⓘ |
| drainageBasin | Guanabara Bay drainage basin ⓘ |
| emptiesInto | Guanabara Bay ⓘ |
| environmentalIssue |
urban pollution risk
ⓘ
water quality degradation risk ⓘ |
| flowsThrough |
Região Metropolitana do Rio de Janeiro
ⓘ
surface form:
Rio de Janeiro metropolitan region
|
| hasMouthPosition | near Guanabara Bay shoreline in Rio de Janeiro state ⓘ |
| hasNameInLanguage |
Sarapuí River
self-linksurface differs
ⓘ
surface form:
Rio Sarapuí (Portuguese)
|
| languageOfToponym | Portuguese ⓘ |
| locatedIn |
Brazilian Atlantic coast drainage basin
ⓘ
Southeast Region of Brazil ⓘ State of Rio de Janeiro ⓘ eastern Rio de Janeiro state ⓘ |
| mouth | Guanabara Bay ⓘ |
| partOf | hydrographic system of Guanabara Bay ⓘ |
| region |
Região Metropolitana do Rio de Janeiro
ⓘ
surface form:
Metropolitan Region of Rio de Janeiro
|
| watercourseType | perennial 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: Sarapuí River Description of subject: The Sarapuí River is a watercourse in the state of Rio de Janeiro, Brazil, that flows through the metropolitan region 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 Sarapuí (Portuguese)