Haymarket signal box (historical)
E532985
Haymarket signal box (historical) was a former railway signaling control structure that managed train movements around Edinburgh’s Haymarket station before being superseded by modern signaling systems.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Haymarket signal box (historical) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5546939 — 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: Haymarket signal box (historical) Context triple: [Haymarket railway station, hasSignalBox, Haymarket signal box (historical)]
-
A.
Haymarket railway station
Haymarket railway station is a major rail hub in Edinburgh, Scotland, serving as a key interchange for local, regional, and long-distance train services.
-
B.
Barlow train shed
The Barlow train shed is the vast 19th-century wrought-iron and glass arched roof that dramatically spans the platforms of London St Pancras station.
-
C.
Northfields depot
Northfields depot is a London Underground maintenance and stabling facility serving trains on the Piccadilly line in west London.
-
D.
Queen's Park depot
Queen's Park depot is a London Underground maintenance and stabling facility associated with the Bakerloo line near Queen's Park in northwest London.
-
E.
NAIT/Blatchford Market Station
NAIT/Blatchford Market Station is a light rail transit stop in Edmonton, Alberta, serving the Northern Alberta Institute of Technology and the surrounding Blatchford community.
- 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: Haymarket signal box (historical) Target entity description: Haymarket signal box (historical) was a former railway signaling control structure that managed train movements around Edinburgh’s Haymarket station before being superseded by modern signaling systems.
-
A.
Haymarket railway station
Haymarket railway station is a major rail hub in Edinburgh, Scotland, serving as a key interchange for local, regional, and long-distance train services.
-
B.
Barlow train shed
The Barlow train shed is the vast 19th-century wrought-iron and glass arched roof that dramatically spans the platforms of London St Pancras station.
-
C.
Northfields depot
Northfields depot is a London Underground maintenance and stabling facility serving trains on the Piccadilly line in west London.
-
D.
Queen's Park depot
Queen's Park depot is a London Underground maintenance and stabling facility associated with the Bakerloo line near Queen's Park in northwest London.
-
E.
NAIT/Blatchford Market Station
NAIT/Blatchford Market Station is a light rail transit stop in Edmonton, Alberta, serving the Northern Alberta Institute of Technology and the surrounding Blatchford community.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
railway infrastructure
ⓘ
railway signal box ⓘ transportation building ⓘ |
| associatedWith |
Scottish railway network
ⓘ
linked to:
Scottish rail network
passenger and freight traffic through Edinburgh ⓘ |
| category |
disused railway signal boxes in Scotland
ⓘ
rail transport in Edinburgh ⓘ |
| controlledInfrastructure |
points and signals near Haymarket station
ⓘ
railway lines around Haymarket station ⓘ |
| country | United Kingdom ⓘ |
| function |
management of train movements
ⓘ
railway signalling control ⓘ |
| historicalRole | local control of train movements at Haymarket ⓘ |
| locatedIn |
Edinburgh
ⓘ
Haymarket railway station ⓘ Scotland ⓘ United Kingdom ⓘ |
| operatedBy | signalmen ⓘ |
| partOf | railway signalling system at Haymarket ⓘ |
| railwayFunction |
protection of train movements
ⓘ
route setting for trains ⓘ |
| replacedBy |
centralised signalling control
ⓘ
modern electronic signalling systems ⓘ |
| servedCity | Edinburgh ⓘ |
| servedStation | Haymarket railway station ⓘ |
| status |
disused
ⓘ
superseded by modern signalling systems ⓘ |
| usedTechnology |
lever frame
ⓘ
lineside semaphore signals ⓘ mechanical signalling equipment ⓘ |
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: Haymarket signal box (historical) Description of subject: Haymarket signal box (historical) was a former railway signaling control structure that managed train movements around Edinburgh’s Haymarket station before being superseded by modern signaling systems.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.