Arica–La Paz Railway
E312289
The Arica–La Paz Railway is a historic trans-Andean rail line connecting the Chilean port city of Arica with Bolivia’s capital, La Paz, primarily built to facilitate Bolivian access to the Pacific Ocean.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Arica–La Paz Railway canonical | 5 |
| Ferrocarril de Arica a La Paz | 2 |
| Arica–La Paz Railway infrastructure | 1 |
| Arica–La Paz international route | 1 |
| Arica–La Paz railway | 1 |
| Arica–La Paz railway border crossing | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2928754 — 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: Arica–La Paz Railway Context triple: [Chile rail network, includesLine, Arica–La Paz Railway]
-
A.
Chepe railway
The Chepe railway is a scenic passenger train route in northern Mexico that traverses the dramatic landscapes and deep gorges of the Copper Canyon.
-
B.
Sarmiento Line
The Sarmiento Line is a major commuter rail service in the Buenos Aires metropolitan area that links the city center with western suburbs.
-
C.
Roca Line
The Roca Line is a major commuter rail service in the Buenos Aires metropolitan area that links the city with numerous southern suburbs.
-
D.
Chile rail network
The Chile rail network is the national railway system of Chile, comprising passenger and freight lines that connect major cities and regions along the country’s long north–south axis.
-
E.
Alausí Nariz del Diablo railway
The Alausí Nariz del Diablo railway is a famous Ecuadorian mountain train route renowned for its dramatic switchbacks along steep cliffs and panoramic Andean views.
- 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: Arica–La Paz Railway Target entity description: The Arica–La Paz Railway is a historic trans-Andean rail line connecting the Chilean port city of Arica with Bolivia’s capital, La Paz, primarily built to facilitate Bolivian access to the Pacific Ocean.
-
A.
Chepe railway
The Chepe railway is a scenic passenger train route in northern Mexico that traverses the dramatic landscapes and deep gorges of the Copper Canyon.
-
B.
Sarmiento Line
The Sarmiento Line is a major commuter rail service in the Buenos Aires metropolitan area that links the city center with western suburbs.
-
C.
Roca Line
The Roca Line is a major commuter rail service in the Buenos Aires metropolitan area that links the city with numerous southern suburbs.
-
D.
Chile rail network
The Chile rail network is the national railway system of Chile, comprising passenger and freight lines that connect major cities and regions along the country’s long north–south axis.
-
E.
Alausí Nariz del Diablo railway
The Alausí Nariz del Diablo railway is a famous Ecuadorian mountain train route renowned for its dramatic switchbacks along steep cliffs and panoramic Andean views.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
railway line
ⓘ
trans-Andean railway ⓘ |
| borderCrossingFor | international rail traffic between Chile and Bolivia ⓘ |
| category |
International railway lines
ⓘ
Rail transport in Bolivia ⓘ Rail transport in Chile ⓘ |
| connects |
Arica
ⓘ
La Paz ⓘ |
| constructionMotivation | treaty obligations between Chile and Bolivia after the War of the Pacific ⓘ |
| country |
Bolivia
ⓘ
Chile ⓘ |
| crosses | Chile–Bolivia border ⓘ |
| electrification | non-electrified ⓘ |
| gauge | metre gauge ⓘ |
| hasFeature |
numerous bridges and tunnels
ⓘ
steep gradients ⓘ |
| hasInfrastructureType | mountain railway ⓘ |
| hasNameInLanguage |
Ferrocarril de Arica a La Paz
ⓘ
linked to:
Arica–La Paz Railway
|
| hasStation |
Arica station
ⓘ
Central station La Paz ⓘ |
| highestElevation | over 4200 metres above sea level ⓘ |
| historicalSignificance |
important for regional trade between Chile and Bolivia
ⓘ
provided Bolivia with rail access to a Pacific port ⓘ |
| languageOfName | Spanish ⓘ |
| locatedIn |
Andes
ⓘ
Arica y Parinacota Region ⓘ La Paz Department ⓘ |
| opened | early 20th century ⓘ |
| operator | Empresa de los Ferrocarriles del Estado ⓘ |
| owner | Government of Chile ⓘ |
| partOf | Chile–Bolivia transport network ⓘ |
| passesThrough |
Altiplano
ⓘ
linked to:
Altiplano plateau
Tacna-Arica desert region ⓘ
linked to:
Atacama Desert
|
| purpose |
facilitate Bolivian access to the Pacific Ocean
ⓘ
freight transport ⓘ passenger transport ⓘ |
| regionServed |
Bolivian Altiplano
ⓘ
linked to:
Altiplano plateau
Pacific coast of northern Chile ⓘ |
| startPoint | Arica ⓘ |
| status | partly operational ⓘ |
| terminus |
Arica
ⓘ
La Paz ⓘ |
| trackType | single track ⓘ |
| usedFor |
import of goods to Bolivia
ⓘ
mineral exports from Bolivia ⓘ |
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: Arica–La Paz Railway Description of subject: The Arica–La Paz Railway is a historic trans-Andean rail line connecting the Chilean port city of Arica with Bolivia’s capital, La Paz, primarily built to facilitate Bolivian access to the Pacific Ocean.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Arica–La Paz Railway
linked to: Arica–La Paz Railway
linked to: Arica–La Paz Railway
linked to: Arica–La Paz Railway
linked to: Arica–La Paz Railway
linked to: Arica–La Paz Railway