Upper Paraná River basin
E563691
The Upper Paraná River basin is the extensive drainage area in south-central Brazil that collects waters from major tributaries like the Paranaíba River before forming the main Paraná River.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Paraná River basin | 4 |
| Upper Paraná River basin canonical | 2 |
| Paraná Hydrographic Region of Brazil | 1 |
| Paraná–Paraguay Basin | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6038021 — 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: Upper Paraná River basin Context triple: [Paranaíba River, partOf, Upper Paraná River basin]
-
A.
Negro River basin
The Negro River basin is a major sub-basin of the Amazon system, encompassing the vast drainage area of the Rio Negro and its tributaries in northern South America.
-
B.
San Jorge River basin
The San Jorge River basin is a region in northern Colombia historically inhabited and shaped by the Zenú Indigenous people, known for their advanced hydraulic engineering and rich pre-Columbian culture.
-
C.
Mirití-Paraná River
The Mirití-Paraná River is a lesser-known waterway in the Amazon Basin that flows through the Colombian rainforest before joining the Japurá River.
-
D.
Abra River basin
The Abra River basin is a major watershed in northern Luzon, Philippines, encompassing the drainage area of the Abra River and supporting surrounding agricultural, ecological, and upland communities.
-
E.
Atrato River basin
The Atrato River basin is a biodiverse and rainforest-rich watershed in northwestern Colombia, known for its dense river network, Afro-Colombian and Indigenous communities, and significant ecological and cultural importance.
- 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: Upper Paraná River basin Target entity description: The Upper Paraná River basin is the extensive drainage area in south-central Brazil that collects waters from major tributaries like the Paranaíba River before forming the main Paraná River.
-
A.
Negro River basin
The Negro River basin is a major sub-basin of the Amazon system, encompassing the vast drainage area of the Rio Negro and its tributaries in northern South America.
-
B.
San Jorge River basin
The San Jorge River basin is a region in northern Colombia historically inhabited and shaped by the Zenú Indigenous people, known for their advanced hydraulic engineering and rich pre-Columbian culture.
-
C.
Mirití-Paraná River
The Mirití-Paraná River is a lesser-known waterway in the Amazon Basin that flows through the Colombian rainforest before joining the Japurá River.
-
D.
Abra River basin
The Abra River basin is a major watershed in northern Luzon, Philippines, encompassing the drainage area of the Abra River and supporting surrounding agricultural, ecological, and upland communities.
-
E.
Atrato River basin
The Atrato River basin is a biodiverse and rainforest-rich watershed in northwestern Colombia, known for its dense river network, Afro-Colombian and Indigenous communities, and significant ecological and cultural importance.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
drainage basin
ⓘ
river basin ⓘ |
| containsPart |
Grande River basin
NERFINISHED
ⓘ
Iguaçu River basin NERFINISHED ⓘ Paranapanema River basin NERFINISHED ⓘ Paranaíba River basin NERFINISHED ⓘ Tietê River basin NERFINISHED ⓘ |
| country | Brazil ⓘ |
| crossesAdministrativeRegion |
State of Goiás
NERFINISHED
ⓘ
State of Mato Grosso do Sul NERFINISHED ⓘ State of Minas Gerais NERFINISHED ⓘ State of Paraná NERFINISHED ⓘ State of São Paulo NERFINISHED ⓘ |
| drainageDirection | from central Brazil towards the Paraguay–Paraná lowlands ⓘ |
| drainsInto | Paraná River NERFINISHED ⓘ |
| flowsTowards | southwest ⓘ |
| forms | upper course of the Paraná River ⓘ |
| hasBiodiversity | high freshwater fish diversity ⓘ |
| hasClimate |
subtropical climate
ⓘ
tropical savanna climate ⓘ |
| hasConfluence | confluence of Paranaíba River and Grande River ⓘ |
| hasEconomicActivity |
cattle ranching
ⓘ
hydropower industry ⓘ soybean cultivation ⓘ sugarcane cultivation ⓘ |
| hasEcosystemType |
floodplain wetlands
ⓘ
tropical riverine ecosystem ⓘ |
| hasManagementIssue |
habitat fragmentation
ⓘ
sediment load changes ⓘ water allocation conflicts ⓘ |
| hasTributary |
Grande River
NERFINISHED
ⓘ
Iguaçu River NERFINISHED ⓘ Paranapanema River NERFINISHED ⓘ Paranaíba River NERFINISHED ⓘ Tietê River NERFINISHED ⓘ |
| hasUse |
hydroelectric power generation
ⓘ
inland fisheries ⓘ irrigated agriculture ⓘ urban water supply ⓘ |
| hydrologicalRegionOf | Brazil NERFINISHED ⓘ |
| isUpstreamOf | Lower Paraná River basin NERFINISHED ⓘ |
| locatedIn |
Brazil
NERFINISHED
ⓘ
south-central Brazil NERFINISHED ⓘ |
| partOf | Paraná River basin NERFINISHED ⓘ |
| threatenedBy |
agricultural expansion
ⓘ
deforestation ⓘ large dams ⓘ water 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: Upper Paraná River basin Description of subject: The Upper Paraná River basin is the extensive drainage area in south-central Brazil that collects waters from major tributaries like the Paranaíba River before forming the main Paraná River.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Paraná Hydrographic Region of Brazil
this entity surface form:
Paraná River basin
this entity surface form:
Paraná River basin
this entity surface form:
Paraná River basin
this entity surface form:
Paraná River basin
this entity surface form:
Paraná–Paraguay Basin