Apa River
E173381
The Apa River is a South American waterway that forms part of the border between Brazil and Paraguay before joining the Paraguay River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Apa River canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T1157097 — 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: Apa River Context triple: [Paraguay River, tributary, Apa River]
-
A.
Okavango River
The Okavango River is a major river in southwest Africa that famously fans out into the vast Okavango Delta, one of the world’s largest inland wetlands and a critical wildlife habitat.
-
B.
Kafue River
The Kafue River is one of Zambia’s major rivers, flowing through the Kafue Flats and Kafue National Park before joining the Zambezi and supporting significant hydropower, agriculture, and wildlife habitats.
-
C.
Limpopo River
The Limpopo River is a major river in southern Africa that flows eastward from central southern Africa to the Indian Ocean, forming parts of the borders between several countries including South Africa, Botswana, and Zimbabwe.
-
D.
Mula River
The Mula River is a major river in the Indian state of Maharashtra that flows through the city of Pune and forms part of its urban river system.
-
E.
Zambezi River
The Zambezi River is one of Africa’s largest rivers, famed for Victoria Falls and its role as a vital waterway and natural border in southern Africa.
- 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: Apa River Target entity description: The Apa River is a South American waterway that forms part of the border between Brazil and Paraguay before joining the Paraguay River.
-
A.
Okavango River
The Okavango River is a major river in southwest Africa that famously fans out into the vast Okavango Delta, one of the world’s largest inland wetlands and a critical wildlife habitat.
-
B.
Kafue River
The Kafue River is one of Zambia’s major rivers, flowing through the Kafue Flats and Kafue National Park before joining the Zambezi and supporting significant hydropower, agriculture, and wildlife habitats.
-
C.
Limpopo River
The Limpopo River is a major river in southern Africa that flows eastward from central southern Africa to the Indian Ocean, forming parts of the borders between several countries including South Africa, Botswana, and Zimbabwe.
-
D.
Mula River
The Mula River is a major river in the Indian state of Maharashtra that flows through the city of Pune and forms part of its urban river system.
-
E.
Zambezi River
The Zambezi River is one of Africa’s largest rivers, famed for Victoria Falls and its role as a vital waterway and natural border in southern Africa.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
international river
ⓘ
river ⓘ |
| basinCountry |
Brazil
ⓘ
Paraguay ⓘ |
| borderFeatureOf | Brazil–Paraguay border ⓘ |
| borderLengthRole | forms part of the Brazil–Paraguay boundary ⓘ |
| continent | South America ⓘ |
| country |
Brazil
ⓘ
Paraguay ⓘ |
| flowsThrough |
Brazil
ⓘ
Paraguay ⓘ |
| formsBorderBetween |
Brazil
ⓘ
Paraguay ⓘ |
| hasMouthIn | Paraguay River ⓘ |
| languageOfName |
Portuguese
ⓘ
Spanish ⓘ |
| locatedIn | Southern Cone ⓘ |
| locatedInRegion |
Amambay Department
ⓘ
Concepción Department ⓘ Mato Grosso do Sul ⓘ |
| mouthRiver | Paraguay River ⓘ |
| partOf |
La Plata Basin
ⓘ
Paraguay River basin ⓘ
linked to:
Paraguay River
|
| riverSystem | Paraguay River system ⓘ |
| tributaryOf | Paraguay River ⓘ |
| tributaryType | right-bank tributary ⓘ |
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: Apa River Description of subject: The Apa River is a South American waterway that forms part of the border between Brazil and Paraguay before joining the Paraguay River.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.