Hammersmith depot
E286904
Hammersmith depot is a London Underground maintenance and stabling facility primarily serving the Circle and Hammersmith & City lines.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Hammersmith depot canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T2634319 — 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: Hammersmith depot Context triple: [Circle line, depot, Hammersmith depot]
-
A.
Queens Road depot
Queens Road depot is a major tram maintenance and operations facility serving the Manchester Metrolink light rail network.
-
B.
Ruislip depot
Ruislip depot is a major London Underground maintenance and stabling facility serving trains on the Central line.
-
C.
Tower Hill station
Tower Hill station is a London Underground station in central London serving the Circle and District lines near the Tower of London.
-
D.
Trafford depot
Trafford depot is a maintenance and stabling facility serving the Manchester Metrolink light rail network in Greater Manchester, England.
-
E.
Woolwich Arsenal railway station
Woolwich Arsenal railway station is a key National Rail and Docklands Light Railway interchange in Woolwich, southeast London, providing commuter and regional services into central London and beyond.
- 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: Hammersmith depot Target entity description: Hammersmith depot is a London Underground maintenance and stabling facility primarily serving the Circle and Hammersmith & City lines.
-
A.
Queens Road depot
Queens Road depot is a major tram maintenance and operations facility serving the Manchester Metrolink light rail network.
-
B.
Ruislip depot
Ruislip depot is a major London Underground maintenance and stabling facility serving trains on the Central line.
-
C.
Tower Hill station
Tower Hill station is a London Underground station in central London serving the Circle and District lines near the Tower of London.
-
D.
Trafford depot
Trafford depot is a maintenance and stabling facility serving the Manchester Metrolink light rail network in Greater Manchester, England.
-
E.
Woolwich Arsenal railway station
Woolwich Arsenal railway station is a key National Rail and Docklands Light Railway interchange in Woolwich, southeast London, providing commuter and regional services into central London and beyond.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
London Underground depot
ⓘ
railway maintenance facility ⓘ train stabling facility ⓘ |
| adjacentTo | Hammersmith station (Hammersmith & City and Circle lines) ⓘ |
| country | England ⓘ |
| electrificationSystem | four-rail DC system ⓘ |
| hasFacility |
inspection pits
ⓘ
maintenance sheds ⓘ stabling sidings ⓘ train washing plant ⓘ |
| locatedIn |
Hammersmith
ⓘ
London ⓘ
linked to:
London, England
United Kingdom ⓘ |
| network | London Underground ⓘ |
| operatedBy | London Underground ⓘ |
| ownedBy | Transport for London ⓘ |
| partOf | Sub-surface lines infrastructure ⓘ |
| primaryFunction |
maintenance of London Underground rolling stock
ⓘ
stabling of London Underground trains ⓘ |
| servesLine |
Circle line
ⓘ
Hammersmith & City line ⓘ |
| servesRollingStockType | S7 Stock ⓘ |
| usedFor |
heavy maintenance
ⓘ
light maintenance ⓘ overnight stabling of trains ⓘ |
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: Hammersmith depot Description of subject: Hammersmith depot is a London Underground maintenance and stabling facility primarily serving the Circle and Hammersmith & City lines.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.