Greenwich Foot Tunnel
E301125
Greenwich Foot Tunnel is a historic pedestrian tunnel beneath the River Thames in London, connecting Greenwich on the south bank with the Isle of Dogs on the north.
All labels observed (5)
How this entity was disambiguated
This entity first appeared as the object of triple T2823823 — 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: Greenwich Foot Tunnel Context triple: [Cutty Sark DLR station, nearby, Greenwich Foot Tunnel]
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A.
Dartford Tunnel
The Dartford Tunnel is a major road tunnel under the River Thames in southeast England, forming part of a key river crossing on the London orbital route.
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B.
Ramsgate Tunnels
Ramsgate Tunnels are a historic network of former railway and air-raid shelter tunnels in Ramsgate, Kent, now preserved as a visitor attraction highlighting the town’s World War II heritage.
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C.
Hindhead Tunnel
Hindhead Tunnel is a major road tunnel in Surrey, England, carrying the A3 beneath the Devil’s Punch Bowl to improve traffic flow and reduce environmental impact on the surrounding countryside.
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D.
Reigate Tunnel
Reigate Tunnel is a historic road tunnel in Reigate, Surrey, notable as one of the earliest road tunnels in Britain and now a distinctive local landmark.
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E.
Kingsway Tunnel
The Kingsway Tunnel is a major road tunnel under the River Mersey in northwest England, carrying vehicular traffic between Liverpool and the Wirral peninsula.
- 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: Greenwich Foot Tunnel Target entity description: Greenwich Foot Tunnel is a historic pedestrian tunnel beneath the River Thames in London, connecting Greenwich on the south bank with the Isle of Dogs on the north.
-
A.
Dartford Tunnel
The Dartford Tunnel is a major road tunnel under the River Thames in southeast England, forming part of a key river crossing on the London orbital route.
-
B.
Ramsgate Tunnels
Ramsgate Tunnels are a historic network of former railway and air-raid shelter tunnels in Ramsgate, Kent, now preserved as a visitor attraction highlighting the town’s World War II heritage.
-
C.
Hindhead Tunnel
Hindhead Tunnel is a major road tunnel in Surrey, England, carrying the A3 beneath the Devil’s Punch Bowl to improve traffic flow and reduce environmental impact on the surrounding countryside.
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D.
Reigate Tunnel
Reigate Tunnel is a historic road tunnel in Reigate, Surrey, notable as one of the earliest road tunnels in Britain and now a distinctive local landmark.
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E.
Kingsway Tunnel
The Kingsway Tunnel is a major road tunnel under the River Mersey in northwest England, carrying vehicular traffic between Liverpool and the Wirral peninsula.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
pedestrian tunnel
ⓘ
subterranean structure ⓘ transport infrastructure ⓘ |
| architect |
Alexander Binnie
ⓘ
Sir Alexander Binnie ⓘ |
| connects |
Greenwich
ⓘ
Isle of Dogs ⓘ |
| constructionMaterial |
cast-iron lining
ⓘ
concrete ⓘ tiled interior ⓘ |
| constructionStartDate | 1899 ⓘ |
| country | United Kingdom ⓘ |
| crosses |
River Thames
ⓘ
linked to:
Thames
|
| diameter | about 3 metres ⓘ |
| hasAccess | 24-hour public access ⓘ |
| hasFeature |
domed glass entrance buildings
ⓘ
lifts at each end ⓘ spiral staircases ⓘ |
| hasRenovation | major refurbishment in early 2010s ⓘ |
| hasRestriction | no motor vehicles allowed ⓘ |
| hasStructure |
north entrance rotunda
ⓘ
south entrance rotunda ⓘ |
| hasUse |
cycle traffic (dismounted in parts)
ⓘ
pedestrian traffic ⓘ |
| heritageDesignationDate | 1973 ⓘ |
| heritageStatus | Grade II listed building ⓘ |
| length |
about 370 metres
ⓘ
approximately 1215 feet ⓘ |
| locatedIn |
London Borough of Tower Hamlets
ⓘ
Royal Borough of Greenwich ⓘ |
| location |
London
ⓘ
linked to:
London, England
|
| maintainedBy | Royal Borough of Greenwich ⓘ |
| nearby |
Cutty Sark
ⓘ
Greenwich Pier ⓘ Greenwich town centre ⓘ Island Gardens ⓘ Old Royal Naval College ⓘ |
| notableFor |
historic engineering design
ⓘ
role in connecting residential and docklands areas ⓘ |
| openedBy | London County Council ⓘ |
| openingDate | 1902 ⓘ |
| owner | Royal Borough of Greenwich ⓘ |
| partOf | cross-river pedestrian network in East London ⓘ |
| purpose | to provide a free pedestrian route under the Thames ⓘ |
| replaced | reliance on ferry services for workers ⓘ |
| serves |
commuters
ⓘ
tourists ⓘ |
| underlies | Thames riverbed ⓘ |
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: Greenwich Foot Tunnel Description of subject: Greenwich Foot Tunnel is a historic pedestrian tunnel beneath the River Thames in London, connecting Greenwich on the south bank with the Isle of Dogs on the north.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Greenwich Foot Tunnel
linked to: Greenwich Foot Tunnel
DLR Bank–Woolwich Arsenal line
→
usesTunnel
→
Greenwich foot tunnel area under River Thames (DLR tunnel)
ⓘ
linked to: Greenwich Foot Tunnel
subject linked to:
Island Gardens park
linked to: Greenwich Foot Tunnel
subject linked to:
Island Gardens park