Cockfosters depot
E304079
Cockfosters depot is a major London Underground maintenance and stabling facility serving the Piccadilly line at its northeastern terminus in Cockfosters.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Cockfosters depot canonical | 1 |
| Cockfosters depot (on Piccadilly line) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2844788 — 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: Cockfosters depot Context triple: [Piccadilly line, depot, Cockfosters depot]
-
A.
Queens Road depot
Queens Road depot is a major tram maintenance and operations facility serving the Manchester Metrolink light rail network.
-
B.
Barking depot
Barking depot is a London Underground maintenance and stabling facility serving trains on the Hammersmith & City line.
-
C.
London Road depot
London Road depot is a maintenance and stabling facility for London Underground trains serving the Bakerloo line near Waterloo in central London.
-
D.
Hammersmith depot
Hammersmith depot is a London Underground maintenance and stabling facility primarily serving the Circle and Hammersmith & City lines.
-
E.
Neasden Depot
Neasden Depot is a major London Underground maintenance and stabling facility serving trains on the Metropolitan line.
- 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: Cockfosters depot Target entity description: Cockfosters depot is a major London Underground maintenance and stabling facility serving the Piccadilly line at its northeastern terminus in Cockfosters.
-
A.
Queens Road depot
Queens Road depot is a major tram maintenance and operations facility serving the Manchester Metrolink light rail network.
-
B.
Barking depot
Barking depot is a London Underground maintenance and stabling facility serving trains on the Hammersmith & City line.
-
C.
London Road depot
London Road depot is a maintenance and stabling facility for London Underground trains serving the Bakerloo line near Waterloo in central London.
-
D.
Hammersmith depot
Hammersmith depot is a London Underground maintenance and stabling facility primarily serving the Circle and Hammersmith & City lines.
-
E.
Neasden Depot
Neasden Depot is a major London Underground maintenance and stabling facility serving trains on the Metropolitan line.
- F. None of above. chosen
Statements (28)
| Predicate | Object |
|---|---|
| instanceOf |
London Underground depot
ⓘ
railway maintenance facility ⓘ train stabling facility ⓘ |
| adjacentTo |
Cockfosters tube station
ⓘ
surface form:
Cockfosters Underground station
|
| country | United Kingdom ⓘ |
| hasFunction |
light maintenance
ⓘ
stabling sidings ⓘ train cleaning ⓘ train inspection ⓘ |
| hasNearbyStation |
Cockfosters tube station
ⓘ
surface form:
Cockfosters station
|
| isMajorFacilityFor | Piccadilly line ⓘ |
| lineTerminusServed | Cockfosters terminus of the Piccadilly line ⓘ |
| locatedAtTerminusOf | Piccadilly line ⓘ |
| locatedIn |
Cockfosters
ⓘ
England ⓘ London, England ⓘ
surface form:
London
London Borough of Enfield ⓘ United Kingdom ⓘ |
| network | London Underground ⓘ |
| operatedBy | London Underground ⓘ |
| ownedBy | Transport for London ⓘ |
| partOf |
London Underground depots
ⓘ
surface form:
London Underground depots network
Piccadilly line ⓘ
surface form:
Piccadilly line infrastructure
|
| railwaySystem | London Underground ⓘ |
| role |
maintenance of Piccadilly line rolling stock
ⓘ
stabling of Piccadilly line trains ⓘ |
| servesDirection | northeastern end of the Piccadilly line ⓘ |
| servesLine | Piccadilly line ⓘ |
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: Cockfosters depot Description of subject: Cockfosters depot is a major London Underground maintenance and stabling facility serving the Piccadilly line at its northeastern terminus in Cockfosters.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Cockfosters depot (on Piccadilly line)