Ipiranga River
E179109
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ipiranga River canonical | 6 |
How this entity was disambiguated
This entity first appeared as the object of triple T1033001 — 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: Ipiranga River Context triple: [Brazilian independence movement, locationOfEvent, Ipiranga River]
-
A.
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.
-
B.
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.
-
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.
Xingu River
The Xingu River is a major river in northern Brazil that flows through the Amazon rainforest, supporting rich biodiversity and numerous Indigenous communities before joining the Amazon River.
-
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: Ipiranga River Target entity description: 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.
-
A.
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.
-
B.
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.
-
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.
Xingu River
The Xingu River is a major river in northern Brazil that flows through the Amazon rainforest, supporting rich biodiversity and numerous Indigenous communities before joining the Amazon River.
-
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 (29)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| associatedWith |
Dom Pedro I of Brazil
ⓘ
Brazilian independence movement ⓘ
surface form:
Independence of Brazil
|
| continent | South America ⓘ |
| country | Brazil ⓘ |
| dateOfSignificantEvent | 7 September 1822 ⓘ |
| environmentalStatus | heavily impacted by urbanization ⓘ |
| eventLocation |
Brazilian Declaration of Independence
ⓘ
surface form:
Proclamation of Brazilian independence
|
| flowsThrough |
Ipiranga district
ⓘ
urban area of São Paulo ⓘ |
| hasCoordinateRegion | southeastern Brazil ⓘ |
| hasCulturalRole | symbol of Brazilian independence ⓘ |
| hasHeritageStatus | symbolic site of Brazilian national identity ⓘ |
| hasNameEtymology | from Tupi language ⓘ |
| hasNameMeaning | "red river" or "muddy river" in Tupi ⓘ |
| historicalSignificance | site of the proclamation of the Independence of Brazil ⓘ |
| isSubjectOf |
Brazilian historical commemorations
ⓘ
paintings of the proclamation of independence ⓘ |
| languageOfName | Portuguese ⓘ |
| locatedIn |
São Paulo
ⓘ
São Paulo ⓘ
surface form:
São Paulo (city)
state of São Paulo ⓘ
surface form:
São Paulo (state)
|
| locatedNear |
Independence Park (São Paulo)
ⓘ
Museu do Ipiranga ⓘ |
| mentionedIn | Brazilian history textbooks ⓘ |
| mouthOfWaterBody | Tamanduateí River ⓘ |
| partOf |
Tietê River
ⓘ
surface form:
Tietê River basin
|
| tributaryOf | Tamanduateí River ⓘ |
| watercourseType | small urban 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: Ipiranga River Description of subject: 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.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Monument to the Independence of Brazil, São Paulo
subject surface form:
Ipiranga (district of São Paulo)
subject surface form:
Ipiranga (district of São Paulo)