Brazil–Peru border
E480614
The Brazil–Peru border is an international boundary in western South America that runs largely through remote Amazon rainforest regions, separating northern Brazil from eastern Peru.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Brazil–Peru border canonical | 3 |
| Brazil–Peru relations | 1 |
| Peru–Brazil border region | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4931658 — 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: Brazil–Peru border Context triple: [Purus River, borderOf, Brazil–Peru border]
-
A.
Peru–Chile border
The Peru–Chile border is the international boundary separating southern Peru from northern Chile, running from the Pacific coast near Arica inland through the Atacama Desert and Andean highlands.
-
B.
Argentina–Chile border
The Argentina–Chile border is a long, mountainous international boundary running mostly along the Andes that separates the South American countries of Argentina and Chile.
-
C.
Chile–Bolivia border
The Chile–Bolivia border is the international boundary separating northern Chile from southwestern Bolivia, running through the Andes and encompassing high-altitude deserts and volcanic landscapes.
-
D.
Colombia–Venezuela border region
The Colombia–Venezuela border region is a politically sensitive and economically important frontier zone marked by dense river networks, active trade and migration routes, and frequent security and humanitarian challenges.
-
E.
Lomati
Lomati is a small village located on Kadavu Island in Fiji, known for its traditional Fijian rural lifestyle and coastal setting.
- 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: Brazil–Peru border Target entity description: The Brazil–Peru border is an international boundary in western South America that runs largely through remote Amazon rainforest regions, separating northern Brazil from eastern Peru.
-
A.
Peru–Chile border
The Peru–Chile border is the international boundary separating southern Peru from northern Chile, running from the Pacific coast near Arica inland through the Atacama Desert and Andean highlands.
-
B.
Argentina–Chile border
The Argentina–Chile border is a long, mountainous international boundary running mostly along the Andes that separates the South American countries of Argentina and Chile.
-
C.
Chile–Bolivia border
The Chile–Bolivia border is the international boundary separating northern Chile from southwestern Bolivia, running through the Andes and encompassing high-altitude deserts and volcanic landscapes.
-
D.
Colombia–Venezuela border region
The Colombia–Venezuela border region is a politically sensitive and economically important frontier zone marked by dense river networks, active trade and migration routes, and frequent security and humanitarian challenges.
-
E.
Lomati
Lomati is a small village located on Kadavu Island in Fiji, known for its traditional Fijian rural lifestyle and coastal setting.
- F. None of above. chosen
Statements (33)
| Predicate | Object |
|---|---|
| instanceOf |
international border
ⓘ
land border ⓘ |
| bordersPartOfBrazil | northern Brazil ⓘ |
| bordersPartOfPeru | eastern Peru ⓘ |
| characterizedBy | remote regions ⓘ |
| continent | South America ⓘ |
| countryOnSide1 | Brazil ⓘ |
| countryOnSide2 | Peru ⓘ |
| directionFromBrazil | west ⓘ |
| directionFromPeru | east ⓘ |
| environment | tropical rainforest ⓘ |
| hasBorderCrossing |
Assis Brasil–Iñapari border crossing
ⓘ
Cruzeiro do Sul region crossings ⓘ |
| hasIndigenousPopulations | yes ⓘ |
| hasIssue |
deforestation concerns
ⓘ
drug trafficking ⓘ illegal logging ⓘ informal crossings ⓘ |
| languageMajoritySide1 | Portuguese ⓘ |
| languageMajoritySide2 | Spanish ⓘ |
| locatedInRegion | western South America ⓘ |
| monitoredBy |
Brazilian border authorities
ⓘ
Peruvian border authorities ⓘ |
| partOf |
Brazil–Peru relations
ⓘ
linked to:
Brazil–Peru border
|
| partOfLargerBorderSystem |
Brazil’s international borders
ⓘ
Peru’s international borders ⓘ |
| passesThrough | Amazon rainforest ⓘ |
| separates |
Brazil
ⓘ
Peru ⓘ |
| subjectTo | Brazil–Peru bilateral agreements ⓘ |
| usedFor |
cross-border migration
ⓘ
international trade ⓘ transport of goods ⓘ |
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: Brazil–Peru border Description of subject: The Brazil–Peru border is an international boundary in western South America that runs largely through remote Amazon rainforest regions, separating northern Brazil from eastern Peru.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Brazil–Peru border
linked to: Brazil–Peru border