South Axis tunnel
E748737
The South Axis tunnel is a major rail tunnel in Amsterdam that carries train traffic beneath the Zuidas business district, connecting through Amsterdam Zuid station.
All labels observed (1)
| Label | Occurrences |
|---|---|
| South Axis tunnel canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T8656836 — 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: South Axis tunnel Context triple: [Amsterdam Zuid station, railwayLine, South Axis tunnel]
-
A.
Zimmerberg Base Tunnel
The Zimmerberg Base Tunnel is a major Swiss railway tunnel that provides a fast, low-gradient route for passenger and freight trains between Zurich and central Switzerland.
-
B.
Malinta Tunnel
Malinta Tunnel is a historic underground complex on Corregidor Island in the Philippines that served as a bomb-proof headquarters and hospital for American and Filipino forces during World War II.
-
C.
Eurasia Tunnel
The Eurasia Tunnel is an underwater road tunnel in Istanbul that connects the European and Asian sides of the city, easing transcontinental traffic beneath the Bosporus Strait.
-
D.
Carmel Tunnels
The Carmel Tunnels are a system of toll road tunnels in Haifa, Israel, that provide a fast east–west route beneath the Carmel mountain range to ease urban traffic congestion.
-
E.
Box Tunnel
Box Tunnel is a historic railway tunnel in Wiltshire, England, engineered by Isambard Kingdom Brunel as part of the Great Western Railway and renowned for its ambitious 19th-century design and construction.
- 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: South Axis tunnel Target entity description: The South Axis tunnel is a major rail tunnel in Amsterdam that carries train traffic beneath the Zuidas business district, connecting through Amsterdam Zuid station.
-
A.
Zimmerberg Base Tunnel
The Zimmerberg Base Tunnel is a major Swiss railway tunnel that provides a fast, low-gradient route for passenger and freight trains between Zurich and central Switzerland.
-
B.
Malinta Tunnel
Malinta Tunnel is a historic underground complex on Corregidor Island in the Philippines that served as a bomb-proof headquarters and hospital for American and Filipino forces during World War II.
-
C.
Eurasia Tunnel
The Eurasia Tunnel is an underwater road tunnel in Istanbul that connects the European and Asian sides of the city, easing transcontinental traffic beneath the Bosporus Strait.
-
D.
Carmel Tunnels
The Carmel Tunnels are a system of toll road tunnels in Haifa, Israel, that provide a fast east–west route beneath the Carmel mountain range to ease urban traffic congestion.
-
E.
Box Tunnel
Box Tunnel is a historic railway tunnel in Wiltshire, England, engineered by Isambard Kingdom Brunel as part of the Great Western Railway and renowned for its ambitious 19th-century design and construction.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
rail tunnel
ⓘ
railway infrastructure ⓘ |
| associatedWith |
Amsterdam Zuid station redevelopment
ⓘ
Zuidasdok project ⓘ
linked to:
Zuidasdok
|
| carries |
rail traffic
ⓘ
train services ⓘ |
| city | Amsterdam ⓘ |
| connectsVia | Amsterdam Zuid station ⓘ |
| country | Netherlands ⓘ |
| hasFunction | bypassing surface-level rail through Zuidas ⓘ |
| hasStation | Amsterdam Zuid station ⓘ |
| infrastructureType | subsurface rail tunnel ⓘ |
| locatedIn |
Amsterdam
ⓘ
Zuidas business district ⓘ |
| locatedUnder |
Zuidas
ⓘ
linked to:
Zuidas business district
|
| partOf |
Dutch railway network
ⓘ
rail network of Amsterdam ⓘ |
| passesThrough | Amsterdam Zuid station ⓘ |
| region | North Holland ⓘ |
| servesArea | Zuidas business district ⓘ |
| servesCity | Amsterdam ⓘ |
| underlies | Zuidas business district ⓘ |
| usedFor |
intercity train services
ⓘ
passenger rail transport ⓘ regional train services ⓘ |
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: South Axis tunnel Description of subject: The South Axis tunnel is a major rail tunnel in Amsterdam that carries train traffic beneath the Zuidas business district, connecting through Amsterdam Zuid station.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Zuid