Peru–Bolivia border
E1001625
The Peru–Bolivia border is the international boundary in western South America that runs through the Andes and across Lake Titicaca, separating the territories of Peru and Bolivia.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Peru–Bolivia border canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12723193 — 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: Peru–Bolivia border Context triple: [Lake Titicaca region, borderedBy, Peru–Bolivia 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.
Brazil–Peru border
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.
-
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.
Brazil–Bolivia border region
The Brazil–Bolivia border region is a sparsely populated frontier area characterized by extensive wetlands, river systems, and trade routes, notably around the city of Corumbá in the Pantanal.
-
E.
Brazil–Venezuela border
The Brazil–Venezuela border is an international boundary in northern South America separating Brazil and Venezuela, running through remote rainforest and savanna regions and connecting the Brazilian state of Roraima with Venezuela’s Bolívar state.
- 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: Peru–Bolivia border Target entity description: The Peru–Bolivia border is the international boundary in western South America that runs through the Andes and across Lake Titicaca, separating the territories of Peru and Bolivia.
-
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.
Brazil–Peru border
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.
-
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.
Brazil–Bolivia border region
The Brazil–Bolivia border region is a sparsely populated frontier area characterized by extensive wetlands, river systems, and trade routes, notably around the city of Corumbá in the Pantanal.
-
E.
Brazil–Venezuela border
The Brazil–Venezuela border is an international boundary in northern South America separating Brazil and Venezuela, running through remote rainforest and savanna regions and connecting the Brazilian state of Roraima with Venezuela’s Bolívar state.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
international border
ⓘ
lake border ⓘ land border ⓘ |
| borderEstablishedByTreaty | Treaty of 1909 between Peru and Bolivia NERFINISHED ⓘ |
| borderEstablishedYear | 1909 ⓘ |
| borderRegime | requires passport or authorized travel document for crossing ⓘ |
| continent | South America ⓘ |
| hasAdjacentBolivianDepartment |
Beni Department
NERFINISHED
ⓘ
La Paz Department NERFINISHED ⓘ Pando Department NERFINISHED ⓘ |
| hasAdjacentPeruvianRegion |
Madre de Dios Region
NERFINISHED
ⓘ
Puno Region NERFINISHED ⓘ |
| hasBorderCountry |
Plurinational State of Bolivia
NERFINISHED
ⓘ
Republic of Peru NERFINISHED ⓘ |
| hasBorderCrossing |
Desaguadero border crossing
NERFINISHED
ⓘ
Iñapari–Assis Brasil–Bolpebra crossing NERFINISHED ⓘ Kasani border crossing ⓘ |
| hasBorderLength |
approximately 1060 kilometres
ⓘ
approximately 660 miles ⓘ |
| hasCulturalFeature |
Aymara communities on both sides of the border
ⓘ
Quechua communities on both sides of the border ⓘ |
| hasDisputeStatus | largely settled ⓘ |
| hasEconomicActivity |
cross-border trade
ⓘ
informal commerce ⓘ tourism ⓘ |
| hasHistoricalConflict |
Peru–Bolivian territorial disputes of the 19th century
NERFINISHED
ⓘ
War of the Pacific NERFINISHED ⓘ |
| hasLakeSection | border through Lake Titicaca between Peru and Bolivia ⓘ |
| hasNaturalFeature |
Andes Mountains
NERFINISHED
ⓘ
Lake Titicaca NERFINISHED ⓘ |
| hasNearbyCity |
Copacabana
NERFINISHED
ⓘ
Desaguadero NERFINISHED ⓘ Juliaca NERFINISHED ⓘ La Paz NERFINISHED ⓘ Puno NERFINISHED ⓘ |
| hasTimezoneOnBoliviaSide | UTC−04:00 ⓘ |
| hasTimezoneOnPeruSide | UTC−05:00 ⓘ |
| hasTransportLink | Interoceanic Highway NERFINISHED ⓘ |
| includesSectionType |
high-altitude plateau
ⓘ
lake boundary ⓘ river boundary ⓘ |
| locatedInRegion | western South America ⓘ |
| partlyFollows | watershed of the Andes ⓘ |
| passesThroughLake | Lake Titicaca NERFINISHED ⓘ |
| passesThroughMountainRange | Andes NERFINISHED ⓘ |
| separatesCountry |
Bolivia
NERFINISHED
ⓘ
Peru 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: Peru–Bolivia border Description of subject: The Peru–Bolivia border is the international boundary in western South America that runs through the Andes and across Lake Titicaca, separating the territories of Peru and Bolivia.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.