Piracicaba River
E951808
The Piracicaba River is a significant waterway in the state of São Paulo, Brazil, known for its historical role in regional development, agriculture, and industry, as well as for its traditional fishing culture.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Piracicaba River canonical | 5 |
| Piracicaba–Capivari–Jundiaí river system | 3 |
| Piracicaba River basin | 2 |
| Rio Piracicaba | 2 |
| Piracicaba River (at confluence with Atibaia River) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11661465 — 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: Piracicaba River Context triple: [Piracicaba, locatedOnRiver, Piracicaba 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.
Paraopeba River
The Paraopeba River is a significant waterway in southeastern Brazil that flows through the state of Minas Gerais and contributes substantially to the São Francisco River basin.
-
C.
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.
-
D.
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.
-
E.
Araguari River
The Araguari River is a significant waterway in central Brazil that flows through the state of Minas Gerais and contributes to the Paraná River basin.
- 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: Piracicaba River Target entity description: The Piracicaba River is a significant waterway in the state of São Paulo, Brazil, known for its historical role in regional development, agriculture, and industry, as well as for its traditional fishing culture.
-
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.
Paraopeba River
The Paraopeba River is a significant waterway in southeastern Brazil that flows through the state of Minas Gerais and contributes substantially to the São Francisco River basin.
-
C.
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.
-
D.
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.
-
E.
Araguari River
The Araguari River is a significant waterway in central Brazil that flows through the state of Minas Gerais and contributes to the Paraná River basin.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry | Brazil ⓘ |
| continent | South America ⓘ |
| country | Brazil ⓘ |
| drainageBasinIncludes | agricultural areas of central São Paulo state ⓘ |
| environmentalIssue |
eutrophication risk
ⓘ
reduced flow during dry season ⓘ water pollution from industrial effluents ⓘ water pollution from urban sources ⓘ |
| etymology | name derived from Tupi language ⓘ |
| etymologyMeaning | often interpreted as “place where the fish stops” or “fish step” ⓘ |
| flowsThrough |
Municipality of Americana
ⓘ
linked to:
Município de Americana
Municipality of Limeira ⓘ Municipality of Piracicaba ⓘ
linked to:
Município de Piracicaba
Municipality of Rio Claro ⓘ
linked to:
Municipal government of Rio Claro
Municipality of Santa Bárbara d’Oeste ⓘ |
| hasCulturalSignificanceFor |
Caipira culture of São Paulo interior
ⓘ
City of Piracicaba ⓘ |
| hasInfrastructure |
bridges in Piracicaba city
ⓘ
small hydropower plants ⓘ weirs ⓘ |
| hasTraditionalActivity |
artisanal fishing
ⓘ
rod-and-line fishing from riverbanks ⓘ |
| historicalRole |
supporting coffee cultivation in São Paulo interior
ⓘ
supporting early industrialization in Piracicaba region ⓘ supporting sugarcane cultivation in São Paulo interior ⓘ |
| knownFor |
role in regional agricultural development
ⓘ
role in regional industrial development ⓘ strong rapids near Piracicaba city center ⓘ traditional fish ladders and fishing platforms ⓘ |
| locatedIn |
State of São Paulo
ⓘ
linked to:
state of São Paulo
|
| monitoredBy |
Brazilian National Water Agency
ⓘ
linked to:
Brazilian National Water Agency (ANA)
São Paulo state environmental agencies ⓘ |
| mouthOfWaterBody | Tietê River ⓘ |
| partOf |
Paraná River basin
ⓘ
linked to:
Paraná–Paraguay Basin
Piracicaba–Capivari–Jundiaí river system ⓘ
linked to:
Piracicaba River
Tietê River basin ⓘ |
| sourceLocation |
State of São Paulo
ⓘ
linked to:
state of São Paulo
|
| supportsActivity |
sport fishing
ⓘ
tourism in Piracicaba city ⓘ |
| supportsEcosystem | freshwater fish species of the Upper Paraná basin ⓘ |
| tributaryOf | Tietê River ⓘ |
| usedFor |
fishing
ⓘ
hydropower generation ⓘ industrial water supply ⓘ irrigation ⓘ public water supply ⓘ recreation ⓘ |
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: Piracicaba River Description of subject: The Piracicaba River is a significant waterway in the state of São Paulo, Brazil, known for its historical role in regional development, agriculture, and industry, as well as for its traditional fishing culture.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Piracicaba River
linked to: Piracicaba River
linked to: Piracicaba River
linked to: Piracicaba River
subject linked to:
mesoregion of Piracicaba
linked to: Piracicaba River
linked to: Piracicaba River
linked to: Piracicaba River