Paraná–Paraguay Basin
E810749
The Paraná–Paraguay Basin is a major South American river basin encompassing extensive freshwater ecosystems across parts of Brazil, Paraguay, Argentina, and neighboring countries.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Paraná River basin | 5 |
| Paraguay River basin | 4 |
| Paraná–Paraguay Basin canonical | 2 |
| Paraguay River region | 1 |
| Paraná River area | 1 |
| Paraná River region | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9541782 — 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: Paraná–Paraguay Basin Context triple: [Doradidae, nativeTo, Paraná–Paraguay Basin]
-
A.
Brazil Basin
The Brazil Basin is a deep oceanic basin in the western South Atlantic characterized by extensive abyssal plains and significant deep-water circulation.
-
B.
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.
-
C.
Upper Paraná River basin
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.
-
D.
Paraná Delta
The Paraná Delta is a vast, biodiverse wetland and network of islands in northeastern Argentina, formed where the Paraná River empties into the Río de la Plata.
-
E.
Orinoco Basin
The Orinoco Basin is a vast tropical river basin in northern South America, encompassing large parts of Venezuela and Colombia and supporting extensive rainforest, wetlands, and rich biodiversity.
- 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: Paraná–Paraguay Basin Target entity description: The Paraná–Paraguay Basin is a major South American river basin encompassing extensive freshwater ecosystems across parts of Brazil, Paraguay, Argentina, and neighboring countries.
-
A.
Brazil Basin
The Brazil Basin is a deep oceanic basin in the western South Atlantic characterized by extensive abyssal plains and significant deep-water circulation.
-
B.
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.
-
C.
Upper Paraná River basin
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.
-
D.
Paraná Delta
The Paraná Delta is a vast, biodiverse wetland and network of islands in northeastern Argentina, formed where the Paraná River empties into the Río de la Plata.
-
E.
Orinoco Basin
The Orinoco Basin is a vast tropical river basin in northern South America, encompassing large parts of Venezuela and Colombia and supporting extensive rainforest, wetlands, and rich biodiversity.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
drainage basin
ⓘ
river basin ⓘ |
| biodiversityImportance |
high aquatic biodiversity
ⓘ
important habitat for migratory waterbirds ⓘ supports threatened wetland species ⓘ |
| containsBiome |
seasonally flooded grassland
ⓘ
subtropical forest ⓘ tropical savanna ⓘ |
| continent | South America ⓘ |
| country |
Argentina
ⓘ
Bolivia ⓘ Brazil ⓘ Paraguay NERFINISHED ⓘ Uruguay ⓘ |
| drainageDirection |
southeastward
ⓘ
southward ⓘ |
| drainsInto | Río de la Plata estuary NERFINISHED ⓘ |
| ecosystemType |
floodplain ecosystem
ⓘ
freshwater ecosystem ⓘ wetland ecosystem ⓘ |
| environmentalIssue |
biodiversity loss in floodplains
ⓘ
deforestation in headwaters ⓘ hydrological alteration by dams ⓘ water pollution from agriculture ⓘ wetland drainage and conversion ⓘ |
| hasPart |
Chaco plain
NERFINISHED
ⓘ
Iberá Wetlands NERFINISHED ⓘ Pantanal wetland NERFINISHED ⓘ Paraguay River floodplain NERFINISHED ⓘ Paraná Delta NERFINISHED ⓘ Upper Paraná River floodplain NERFINISHED ⓘ |
| hydrologicalImportance |
major component of the Río de la Plata Basin
ⓘ
one of the largest river basins in South America ⓘ |
| majorRiver |
Paraguay River
NERFINISHED
ⓘ
Paraná River NERFINISHED ⓘ |
| oceanBasin | Atlantic Ocean NERFINISHED ⓘ |
| supportsActivity |
cattle ranching on floodplains
ⓘ
hydropower generation ⓘ inland fisheries ⓘ irrigated agriculture ⓘ river navigation ⓘ |
| tributaryRiver |
Apa River
NERFINISHED
ⓘ
Bermejo River NERFINISHED ⓘ Grande River (Brazil) NERFINISHED ⓘ Iguazu River NERFINISHED ⓘ Paranaíba River NERFINISHED ⓘ Pilcomayo River NERFINISHED ⓘ São Lourenço River (Brazil) NERFINISHED ⓘ Tiete River NERFINISHED ⓘ |
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: Paraná–Paraguay Basin Description of subject: The Paraná–Paraguay Basin is a major South American river basin encompassing extensive freshwater ecosystems across parts of Brazil, Paraguay, Argentina, and neighboring countries.
Referenced by (14)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Paraguay River basin
this entity surface form:
Paraguay River basin
this entity surface form:
Paraguay River basin
this entity surface form:
Paraguay 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 River region
this entity surface form:
Paraná River area
this entity surface form:
Paraná River basin
this entity surface form:
Paraná River basin
this entity surface form:
Paraguay River region