Tacna–Arica railway
E785816
The Tacna–Arica railway is a historic international rail line connecting the Peruvian city of Tacna with the Chilean port of Arica across the Atacama Desert.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Tacna–Arica railway canonical | 3 |
| Tacna–Arica corridor | 1 |
| Tacna–Arica railway terminus | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9202527 — 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: Tacna–Arica railway Context triple: [Tacna, hasTransport, Tacna–Arica railway]
-
A.
Arica–La Paz Railway
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.
-
B.
Antofagasta–Bolivia Railway
The Antofagasta–Bolivia Railway is a historic trans-Andean rail line linking Chile’s Pacific coast with Bolivia’s interior, primarily built to transport minerals from the Andean region to port.
-
C.
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.
-
D.
Huancavelica–Huancayo railway
The Huancavelica–Huancayo railway is a Peruvian Andean rail line known for connecting remote highland communities through challenging mountainous terrain.
-
E.
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.
- 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: Tacna–Arica railway Target entity description: The Tacna–Arica railway is a historic international rail line connecting the Peruvian city of Tacna with the Chilean port of Arica across the Atacama Desert.
-
A.
Arica–La Paz Railway
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.
-
B.
Antofagasta–Bolivia Railway
The Antofagasta–Bolivia Railway is a historic trans-Andean rail line linking Chile’s Pacific coast with Bolivia’s interior, primarily built to transport minerals from the Andean region to port.
-
C.
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.
-
D.
Huancavelica–Huancayo railway
The Huancavelica–Huancayo railway is a Peruvian Andean rail line known for connecting remote highland communities through challenging mountainous terrain.
-
E.
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.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
heritage railway
ⓘ
railway line ⓘ |
| borderCrossing | Peru–Chile border ⓘ |
| borderFunction | facilitates international travel between Peru and Chile ⓘ |
| connects |
Arica
ⓘ
Tacna ⓘ |
| country |
Chile
ⓘ
Peru ⓘ |
| electrification | non-electrified ⓘ |
| gauge | standard gauge ⓘ |
| hasStation |
Arica railway station
ⓘ
linked to:
Arica station
Tacna railway station ⓘ |
| historicalSignificance |
important transport link across the Atacama Desert
ⓘ
symbol of Peru–Chile cross-border integration ⓘ |
| locatedIn |
Arica y Parinacota Region
ⓘ
Tacna Region ⓘ |
| namedAfter |
Arica
ⓘ
Tacna ⓘ |
| notableFeature | crosses arid landscapes of the Atacama Desert ⓘ |
| operator | Peruvian authorities ⓘ |
| partOf | transport infrastructure between Peru and Chile ⓘ |
| passesThrough | Atacama Desert ⓘ |
| primaryUse |
passenger transport
ⓘ
tourist transport ⓘ |
| regionServed |
northern Chile
ⓘ
southern Peru ⓘ
linked to:
Southern Peru
|
| status | operational ⓘ |
| terminus |
Arica
ⓘ
Tacna ⓘ |
| terrain | desert ⓘ |
| trackConfiguration | single track ⓘ |
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: Tacna–Arica railway Description of subject: The Tacna–Arica railway is a historic international rail line connecting the Peruvian city of Tacna with the Chilean port of Arica across the Atacama Desert.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Tacna–Arica railway
linked to: Tacna–Arica railway