Negro River (Paraguay)
E158255
The Negro River in Paraguay is a smaller watercourse in the country’s river system that ultimately feeds into the major Paraguay River basin.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Negro River (Paraguay) canonical | 1 |
| Negro River (Uruguay) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1157101 — 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: Negro River (Paraguay) Context triple: [Paraguay River, tributary, Negro River (Paraguay)]
-
A.
Paraguay River
The Paraguay River is a major South American waterway that flows through Brazil, Bolivia, Paraguay, and Argentina, forming part of the Río de la Plata Basin and serving as a vital route for transport, agriculture, and ecosystems in the region.
-
B.
Paraná River
The Paraná River is one of South America's longest and most important rivers, flowing through Brazil, Paraguay, and Argentina and serving as a key waterway for transport, hydroelectric power, and regional ecosystems.
-
C.
Pilcomayo River
The Pilcomayo River is a major South American river that flows from the Andes through Bolivia, Paraguay, and Argentina before joining the Paraná River.
-
D.
Uruguay River
The Uruguay River is a major South American waterway that forms part of the border between Argentina, Brazil, and Uruguay before joining the Paraná River to create the Río de la Plata estuary.
-
E.
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.
- 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: Negro River (Paraguay) Target entity description: The Negro River in Paraguay is a smaller watercourse in the country’s river system that ultimately feeds into the major Paraguay River basin.
-
A.
Paraguay River
The Paraguay River is a major South American waterway that flows through Brazil, Bolivia, Paraguay, and Argentina, forming part of the Río de la Plata Basin and serving as a vital route for transport, agriculture, and ecosystems in the region.
-
B.
Paraná River
The Paraná River is one of South America's longest and most important rivers, flowing through Brazil, Paraguay, and Argentina and serving as a key waterway for transport, hydroelectric power, and regional ecosystems.
-
C.
Pilcomayo River
The Pilcomayo River is a major South American river that flows from the Andes through Bolivia, Paraguay, and Argentina before joining the Paraná River.
-
D.
Uruguay River
The Uruguay River is a major South American waterway that forms part of the border between Argentina, Brazil, and Uruguay before joining the Paraná River to create the Río de la Plata estuary.
-
E.
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.
- F. None of above. chosen
Statements (10)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry | Paraguay ⓘ |
| continent | South America ⓘ |
| country | Paraguay ⓘ |
| flowsThrough |
Paraguay (country)
ⓘ
linked to:
Paraguay
|
| locatedIn | South America ⓘ |
| partOf |
Paraguay River basin
ⓘ
linked to:
Paraguay River
|
| riverSystem | Paraguay River system ⓘ |
| tributaryOf | Paraguay River ⓘ |
| watercourseType | smaller 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: Negro River (Paraguay) Description of subject: The Negro River in Paraguay is a smaller watercourse in the country’s river system that ultimately feeds into the major Paraguay River basin.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Negro River (Paraguay)