Pelotas River
E238312
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.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Canoas River | 1 |
| Pelotas River canonical | 1 |
| Rio Pelotas | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1567843 — 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: Pelotas River Context triple: [Uruguay River, majorTributary, Pelotas River]
-
A.
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.
-
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.
Taquari River
The Taquari River is a significant waterway in central-western Brazil that flows through the Pantanal wetlands before joining the Paraguay River.
-
D.
Santa Catarina River
The Santa Catarina River is a seasonal river in northeastern Mexico that runs through the city of Monterrey and is known for its dramatic floods and role in shaping the urban landscape.
-
E.
Carioca River
The Carioca River is a small urban waterway in Rio de Janeiro, Brazil, historically important as a source of fresh water for the city and now known for running through the Tijuca Forest and into Guanabara Bay.
- 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: Pelotas River Target entity description: 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.
-
A.
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.
-
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.
Taquari River
The Taquari River is a significant waterway in central-western Brazil that flows through the Pantanal wetlands before joining the Paraguay River.
-
D.
Santa Catarina River
The Santa Catarina River is a seasonal river in northeastern Mexico that runs through the city of Monterrey and is known for its dramatic floods and role in shaping the urban landscape.
-
E.
Carioca River
The Carioca River is a small urban waterway in Rio de Janeiro, Brazil, historically important as a source of fresh water for the city and now known for running through the Tijuca Forest and into Guanabara Bay.
- F. None of above. chosen
Statements (27)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry | Brazil ⓘ |
| confluenceWith | Canoas River ⓘ |
| continent | South America ⓘ |
| country | Brazil ⓘ |
| flowsThrough |
Rio Grande do Sul
ⓘ
Rio Grande do Sul ⓘ
surface form:
Santa Catarina
|
| forms | headwaters of the Uruguay River ⓘ |
| formsBorderBetween |
Rio Grande do Sul
ⓘ
Santa Catarina ⓘ |
| hasUse |
fishing
ⓘ
freshwater supply ⓘ hydroelectric power generation ⓘ irrigation ⓘ |
| isPartOfBorder | interstate border between Rio Grande do Sul and Santa Catarina ⓘ |
| languageOfName | Portuguese ⓘ |
| locatedIn |
South Region of Brazil
ⓘ
surface form:
Southern Region of Brazil
southern Brazil ⓘ state of Rio Grande do Sul ⓘ state of Santa Catarina ⓘ |
| mouth | Uruguay River ⓘ |
| nameInPortuguese |
Pelotas River
self-linksurface differs
ⓘ
surface form:
Rio Pelotas
|
| partOf |
Uruguay River
ⓘ
surface form:
Uruguay River basin
|
| riverSystem |
Uruguay River
ⓘ
surface form:
Uruguay River system
|
| sourceLocation |
Brazilian Highlands
ⓘ
Serra Geral ⓘ |
| tributaryOf | Uruguay 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: Pelotas River Description of subject: 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.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Canoas River
this entity surface form:
Rio Pelotas