La Plata Basin
E103861
The La Plata Basin is one of South America's largest river basins, encompassing parts of several countries and draining into the Río de la Plata estuary on the Atlantic coast.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Río de la Plata Basin | 15 |
| La Plata Basin canonical | 9 |
| Río de la Plata basin | 9 |
| Paraná–Plata basin | 1 |
| River Plate Basin | 1 |
| Río de la Plata drainage basin | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T817985 — 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: La Plata Basin Context triple: [Americas, containsSubregion, La Plata Basin]
-
A.
Colombian Basin
The Colombian Basin is a deep oceanic basin in the southwestern Caribbean Sea, lying off the coasts of Colombia and Central America and forming one of the region’s major deep-water areas.
-
B.
Venezuelan Basin
The Venezuelan Basin is a deep oceanic basin in the southern Caribbean, lying off the coasts of Venezuela and nearby islands and forming one of the major structural depressions of the Caribbean Sea.
-
C.
Rivera Plate
The Rivera Plate is a small tectonic plate off the west coast of Mexico that interacts with the Pacific and North American Plates, contributing to regional seismic and volcanic activity.
-
D.
Nazca Basin
The Nazca Basin is a deep oceanic basin in the southeastern Pacific Ocean associated with the tectonically active Nazca Plate and the adjacent Peru–Chile Trench.
-
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: La Plata Basin Target entity description: The La Plata Basin is one of South America's largest river basins, encompassing parts of several countries and draining into the Río de la Plata estuary on the Atlantic coast.
-
A.
Colombian Basin
The Colombian Basin is a deep oceanic basin in the southwestern Caribbean Sea, lying off the coasts of Colombia and Central America and forming one of the region’s major deep-water areas.
-
B.
Venezuelan Basin
The Venezuelan Basin is a deep oceanic basin in the southern Caribbean, lying off the coasts of Venezuela and nearby islands and forming one of the major structural depressions of the Caribbean Sea.
-
C.
Rivera Plate
The Rivera Plate is a small tectonic plate off the west coast of Mexico that interacts with the Pacific and North American Plates, contributing to regional seismic and volcanic activity.
-
D.
Nazca Basin
The Nazca Basin is a deep oceanic basin in the southeastern Pacific Ocean associated with the tectonically active Nazca Plate and the adjacent Peru–Chile Trench.
-
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 ⓘ |
| area | approximately 3.1 million square kilometers ⓘ |
| climate |
subtropical
ⓘ
temperate ⓘ tropical ⓘ |
| containsEcosystem |
Atlantic Forest remnants
ⓘ
Chaco ⓘ
surface form:
Chaco region
Pampas ⓘ
surface form:
Pampas grasslands
Pantanal ⓘ
surface form:
Pantanal wetlands
|
| continent | South America ⓘ |
| country |
Argentina
ⓘ
Bolivia ⓘ Brazil ⓘ Paraguay ⓘ Uruguay ⓘ |
| drainageDirection | eastward ⓘ |
| drainageTo | Atlantic coast of South America ⓘ |
| drainsInto |
Atlantic Ocean
ⓘ
Río de la Plata ⓘ |
| economicImportance |
major hub for agriculture
ⓘ
major hub for hydroelectric power ⓘ major hub for inland navigation ⓘ |
| environmentalIssue |
biodiversity loss
ⓘ
deforestation ⓘ water pollution ⓘ wetland degradation ⓘ |
| governingBody | Intergovernmental Coordinating Committee of the Countries of the Plata Basin ⓘ |
| hydropowerPlant |
Itaipu Dam
ⓘ
Salto Grande Dam ⓘ Yacyretá Dam ⓘ |
| majorRiver |
Bermejo River
ⓘ
Paraguay River ⓘ Paraná River ⓘ Pilcomayo River ⓘ Uruguay River ⓘ |
| namedAfter | Río de la Plata ⓘ |
| rankByArea |
one of the largest river basins in the world
ⓘ
second-largest river basin in South America after the Amazon Basin ⓘ |
| supportsActivity |
cattle ranching
ⓘ
grain production ⓘ soybean cultivation ⓘ |
| treaty |
River Plate Basin Treaty
ⓘ
surface form:
La Plata Basin Treaty
|
| treatySignatory |
Argentina
ⓘ
Bolivia ⓘ Brazil ⓘ Paraguay ⓘ Uruguay ⓘ |
| treatySigned | 1969 ⓘ |
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: La Plata Basin Description of subject: The La Plata Basin is one of South America's largest river basins, encompassing parts of several countries and draining into the Río de la Plata estuary on the Atlantic coast.
Referenced by (36)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Río de la Plata Basin
this entity surface form:
Río de la Plata Basin
this entity surface form:
Río de la Plata Basin
this entity surface form:
Río de la Plata Basin
this entity surface form:
Río de la Plata Basin
this entity surface form:
Río de la Plata Basin
this entity surface form:
Río de la Plata basin
this entity surface form:
Río de la Plata basin
this entity surface form:
Río de la Plata Basin
this entity surface form:
Río de la Plata Basin
this entity surface form:
Río de la Plata Basin
this entity surface form:
River Plate Basin
this entity surface form:
Río de la Plata Basin
this entity surface form:
Río de la Plata Basin
this entity surface form:
Río de la Plata Basin
subject surface form:
Rosario
this entity surface form:
Paraná–Plata basin
this entity surface form:
Río de la Plata basin
this entity surface form:
Río de la Plata drainage basin
this entity surface form:
Río de la Plata Basin
this entity surface form:
Río de la Plata basin
this entity surface form:
Río de la Plata basin
this entity surface form:
Río de la Plata Basin
this entity surface form:
Río de la Plata Basin
this entity surface form:
Río de la Plata basin
this entity surface form:
Río de la Plata basin
this entity surface form:
Río de la Plata basin