Guaíba River
E850598
The Guaíba River is a broad waterway in southern Brazil that flows past the city of Porto Alegre and serves as an important ecological, economic, and recreational feature of the region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Guaíba River canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T10058599 — 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: Guaíba River Context triple: [Rio Grande do Sul, contains, Guaíba River]
-
A.
Riachuelo River
The Riachuelo River is a heavily polluted waterway in Buenos Aires, Argentina, historically significant as an industrial hub and now a major focus of environmental cleanup efforts.
-
B.
Uruguay River
The Uruguay River is a major South American waterway that forms part of the border between Argentina, Brazil, and Uruguay before joining the Paraná River to create the Río de la Plata estuary.
-
C.
Obra River
The Obra River is a significant river in western Poland known for its scenic, meandering course through lakes and wetlands before joining the Warta River.
-
D.
Río Rocha
Río Rocha is a river in central Bolivia that flows through the city of Cochabamba and plays a key role in the region’s drainage and environmental conditions.
-
E.
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.
- 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: Guaíba River Target entity description: The Guaíba River is a broad waterway in southern Brazil that flows past the city of Porto Alegre and serves as an important ecological, economic, and recreational feature of the region.
-
A.
Riachuelo River
The Riachuelo River is a heavily polluted waterway in Buenos Aires, Argentina, historically significant as an industrial hub and now a major focus of environmental cleanup efforts.
-
B.
Uruguay River
The Uruguay River is a major South American waterway that forms part of the border between Argentina, Brazil, and Uruguay before joining the Paraná River to create the Río de la Plata estuary.
-
C.
Obra River
The Obra River is a significant river in western Poland known for its scenic, meandering course through lakes and wetlands before joining the Warta River.
-
D.
Río Rocha
Río Rocha is a river in central Bolivia that flows through the city of Cochabamba and plays a key role in the region’s drainage and environmental conditions.
-
E.
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.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| borderOf | Porto Alegre NERFINISHED ⓘ |
| country | Brazil ⓘ |
| drainageBasin | Atlantic Ocean basin NERFINISHED ⓘ |
| flowsPast | Porto Alegre NERFINISHED ⓘ |
| flowsThrough |
Eldorado do Sul
NERFINISHED
ⓘ
Guaíba (municipality) NERFINISHED ⓘ Porto Alegre NERFINISHED ⓘ Viamão NERFINISHED ⓘ |
| formedByConfluenceOf |
Caí River
NERFINISHED
ⓘ
Gravataí River NERFINISHED ⓘ Jacuí River NERFINISHED ⓘ Sinos River NERFINISHED ⓘ |
| hasCityOnBank |
Eldorado do Sul
NERFINISHED
ⓘ
Guaíba (city) NERFINISHED ⓘ Porto Alegre NERFINISHED ⓘ Viamão NERFINISHED ⓘ |
| hasEcologicalRole |
aquaticHabitat
ⓘ
birdHabitat ⓘ wetlandSupport ⓘ |
| hasEconomicRole |
industrialTransportCorridor
ⓘ
portAccess ⓘ |
| hasLocalName | Guaíba NERFINISHED ⓘ |
| hasShoreFeature |
Orla do Guaíba
NERFINISHED
ⓘ
Usina do Gasômetro waterfront NERFINISHED ⓘ marinas ⓘ parks ⓘ |
| hasUse |
fishing
ⓘ
navigation ⓘ recreation ⓘ tourism ⓘ waterSupply ⓘ waterTransport ⓘ |
| knownFor |
sunsets
ⓘ
waterfrontPromenade ⓘ |
| languageOfName | Portuguese ⓘ |
| locatedIn | Rio Grande do Sul NERFINISHED ⓘ |
| locatedInRegion | Southern Brazil ⓘ |
| mouthOfWaterBody | Lagoa dos Patos NERFINISHED ⓘ |
| partOf |
Guaíba hydrographic system
NERFINISHED
ⓘ
Lagoa dos Patos basin NERFINISHED ⓘ |
| subjectOf |
environmentalMonitoring
ⓘ
floodRiskManagement ⓘ waterQualityStudies ⓘ |
| susceptibleTo |
flooding
ⓘ
pollution ⓘ |
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: Guaíba River Description of subject: The Guaíba River is a broad waterway in southern Brazil that flows past the city of Porto Alegre and serves as an important ecological, economic, and recreational feature of the region.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.