Nicaragua–Costa Rica border
E579310
The Nicaragua–Costa Rica border is the international boundary in Central America separating Nicaragua and Costa Rica, much of which follows the course of the San Juan River and has been the subject of historical and territorial disputes.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Nicaragua–Costa Rica border canonical | 2 |
| Costa Rica–Nicaragua border | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6255801 — 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: Nicaragua–Costa Rica border Context triple: [San Juan River, partOf, Nicaragua–Costa Rica border]
-
A.
Place du Costa Rica
Place du Costa Rica is a small public square in Paris’s 16th arrondissement, located near the Passy metro station and named in honor of the Central American country.
-
B.
Chinandega, Nicaragua
Chinandega, Nicaragua is a major city in northwestern Nicaragua known for its agricultural production, especially sugarcane and rum, and its proximity to several active volcanoes.
-
C.
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.
-
D.
Darién Gap
The Darién Gap is a dense, roadless swath of jungle and swamp between Panama and Colombia known as one of the most dangerous and impassable stretches in the Americas.
-
E.
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.
- 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: Nicaragua–Costa Rica border Target entity description: The Nicaragua–Costa Rica border is the international boundary in Central America separating Nicaragua and Costa Rica, much of which follows the course of the San Juan River and has been the subject of historical and territorial disputes.
-
A.
Place du Costa Rica
Place du Costa Rica is a small public square in Paris’s 16th arrondissement, located near the Passy metro station and named in honor of the Central American country.
-
B.
Chinandega, Nicaragua
Chinandega, Nicaragua is a major city in northwestern Nicaragua known for its agricultural production, especially sugarcane and rum, and its proximity to several active volcanoes.
-
C.
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.
-
D.
Darién Gap
The Darién Gap is a dense, roadless swath of jungle and swamp between Panama and Colombia known as one of the most dangerous and impassable stretches in the Americas.
-
E.
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.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
international border
ⓘ
land border ⓘ |
| borderFeature |
riverine boundary
ⓘ
terrestrial boundary segments ⓘ |
| borderRegime | controlled border ⓘ |
| continent |
Central America
NERFINISHED
ⓘ
North America ⓘ |
| countryOnNorthSide | Nicaragua NERFINISHED ⓘ |
| countryOnSouthSide | Costa Rica NERFINISHED ⓘ |
| definedByTreaty |
Alexander Awards
NERFINISHED
ⓘ
Cañas–Jerez Treaty NERFINISHED ⓘ Cleveland Award NERFINISHED ⓘ |
| followsRiver | San Juan River NERFINISHED ⓘ |
| governingCountry |
Republic of Costa Rica
NERFINISHED
ⓘ
Republic of Nicaragua NERFINISHED ⓘ |
| hasBorderCrossing |
Las Tablillas border crossing
NERFINISHED
ⓘ
Los Chiles border crossing NERFINISHED ⓘ Peñas Blancas border crossing NERFINISHED ⓘ San Pancho border crossing NERFINISHED ⓘ |
| hasDirection |
generally east–west in its western section
ⓘ
generally northwest–southeast along the San Juan River ⓘ |
| hasDispute |
navigation rights dispute on the San Juan River
ⓘ
territorial dispute between Nicaragua and Costa Rica ⓘ |
| hasEndPoint | Caribbean Sea NERFINISHED ⓘ |
| hasHistoricalEvent |
Costa Rica v. Nicaragua (San Juan River) cases at the International Court of Justice
NERFINISHED
ⓘ
Nicaragua v. Costa Rica (Certain Activities carried out by Nicaragua in the Border Area) at the International Court of Justice NERFINISHED ⓘ |
| hasIssue |
drug trafficking
ⓘ
environmental protection of wetlands ⓘ migration control ⓘ |
| hasLanguage | Spanish ⓘ |
| hasLegalBody | subject to jurisdiction of the International Court of Justice in disputes ⓘ |
| hasStartPoint | Pacific coast of Central America NERFINISHED ⓘ |
| nearProtectedArea |
Caño Negro Wildlife Refuge
NERFINISHED
ⓘ
Indio Maíz Biological Reserve NERFINISHED ⓘ Isla Calero wetlands NERFINISHED ⓘ |
| partlyDefinedBy | San Juan River NERFINISHED ⓘ |
| region | Mesoamerica NERFINISHED ⓘ |
| relatedConflict |
dispute over construction of a Costa Rican road along the border
ⓘ
dispute over dredging of the San Juan River by Nicaragua ⓘ |
| separatesCountry |
Costa Rica
NERFINISHED
ⓘ
Nicaragua 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: Nicaragua–Costa Rica border Description of subject: The Nicaragua–Costa Rica border is the international boundary in Central America separating Nicaragua and Costa Rica, much of which follows the course of the San Juan River and has been the subject of historical and territorial disputes.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Costa Rica–Nicaragua border