Madrid north–south rail tunnel
E1530373
UNEXPLORED
The Madrid north–south rail tunnel is a key underground railway corridor that carries commuter and regional trains beneath central Madrid, linking major stations and improving north–south connectivity across the city.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Madrid north–south rail tunnel canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T22295650 — 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: Madrid north–south rail tunnel Context triple: [Cercanías Madrid Line C-4, usesInfrastructure, Madrid north–south rail tunnel]
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A.
Bielsa–Aragnouet tunnel
The Bielsa–Aragnouet tunnel is a road tunnel through the central Pyrenees that provides a key transboundary link between Spain and France.
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B.
Madrid–Andalusia railway
The Madrid–Andalusia railway is a major rail line in Spain that connects the capital, Madrid, with the southern region of Andalusia, serving as a key corridor for both passenger and freight transport.
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C.
Canfranc rail tunnel
The Canfranc rail tunnel is a historic trans-Pyrenean railway tunnel linking Spain and France near the Canfranc International railway station.
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D.
Gaviota Tunnel
Gaviota Tunnel is a highway tunnel in Santa Barbara County, California, that carries U.S. Route 101 through the Gaviota Pass along the Pacific coast.
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E.
Madrid–Barcelona railway
The Madrid–Barcelona railway is a major Spanish rail line linking the capital Madrid with the northeastern city of Barcelona, serving as one of the country’s principal passenger and freight corridors.
- 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: Madrid north–south rail tunnel Target entity description: The Madrid north–south rail tunnel is a key underground railway corridor that carries commuter and regional trains beneath central Madrid, linking major stations and improving north–south connectivity across the city.
-
A.
Bielsa–Aragnouet tunnel
The Bielsa–Aragnouet tunnel is a road tunnel through the central Pyrenees that provides a key transboundary link between Spain and France.
-
B.
Madrid–Andalusia railway
The Madrid–Andalusia railway is a major rail line in Spain that connects the capital, Madrid, with the southern region of Andalusia, serving as a key corridor for both passenger and freight transport.
-
C.
Canfranc rail tunnel
The Canfranc rail tunnel is a historic trans-Pyrenean railway tunnel linking Spain and France near the Canfranc International railway station.
-
D.
Gaviota Tunnel
Gaviota Tunnel is a highway tunnel in Santa Barbara County, California, that carries U.S. Route 101 through the Gaviota Pass along the Pacific coast.
-
E.
Madrid–Barcelona railway
The Madrid–Barcelona railway is a major Spanish rail line linking the capital Madrid with the northeastern city of Barcelona, serving as one of the country’s principal passenger and freight corridors.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.