British Rail Class 156
E555477
The British Rail Class 156 is a diesel multiple-unit passenger train built in the late 1980s for regional and local services across the UK rail network.
All labels observed (2)
| Label | Occurrences |
|---|---|
| British Rail Class 156 canonical | 11 |
| Northern Trains Class 156 units | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5501824 — 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: British Rail Class 156 Context triple: [Sprinter, hasSubclass, British Rail Class 156]
-
A.
British Rail Class 150
The British Rail Class 150 is a diesel multiple-unit passenger train built in the 1980s for regional and commuter services on the UK rail network.
-
B.
British Rail Class 155
The British Rail Class 155 is a type of diesel multiple unit passenger train built in the late 1980s for regional services on the UK rail network.
-
C.
British Rail Class 158
The British Rail Class 158 is a diesel multiple-unit train built in the late 1980s and early 1990s for regional and intercity services across the UK rail network.
-
D.
British Rail Class 159
The British Rail Class 159 is a diesel multiple-unit train used for long-distance regional services in the UK, particularly known for operating intercity-style routes in the southwest of England.
-
E.
British Rail Class 153
The British Rail Class 153 is a single-car diesel multiple unit train used on regional and rural passenger services across the UK rail network.
- 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: British Rail Class 156 Target entity description: The British Rail Class 156 is a diesel multiple-unit passenger train built in the late 1980s for regional and local services across the UK rail network.
-
A.
British Rail Class 150
The British Rail Class 150 is a diesel multiple-unit passenger train built in the 1980s for regional and commuter services on the UK rail network.
-
B.
British Rail Class 155
The British Rail Class 155 is a type of diesel multiple unit passenger train built in the late 1980s for regional services on the UK rail network.
-
C.
British Rail Class 158
The British Rail Class 158 is a diesel multiple-unit train built in the late 1980s and early 1990s for regional and intercity services across the UK rail network.
-
D.
British Rail Class 159
The British Rail Class 159 is a diesel multiple-unit train used for long-distance regional services in the UK, particularly known for operating intercity-style routes in the southwest of England.
-
E.
British Rail Class 153
The British Rail Class 153 is a single-car diesel multiple unit train used on regional and rural passenger services across the UK rail network.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
diesel multiple unit
ⓘ
railway rolling stock class ⓘ |
| brakeType | air brakes ⓘ |
| builtFor | British Rail ⓘ |
| carConfiguration | 2-car set ⓘ |
| controlSystem | multiple-unit control ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| couplingType | BSI automatic coupler ⓘ |
| designedBy | British Rail Engineering Limited ⓘ |
| designedFor |
regional rail networks
ⓘ
rural routes ⓘ secondary main lines ⓘ |
| enteredService | late 1980s ⓘ |
| era | post-privatisation UK rail era ⓘ |
| family | Sprinter ⓘ |
| hasCab | driving cab at each end ⓘ |
| hasDoors | slam doors ⓘ |
| hasSeating | 2+2 seating layout ⓘ |
| introduced |
1987
ⓘ
1988 ⓘ late 1980s ⓘ |
| multipleWorking | compatible with other Sprinter units ⓘ |
| operatesOn | UK rail network ⓘ |
| operator | various UK train operating companies ⓘ |
| operatorCountry | United Kingdom ⓘ |
| passengerAccess | end and side doors ⓘ |
| powerType | diesel ⓘ |
| propulsion | diesel engine ⓘ |
| safetySystem |
AWS
ⓘ
TPWS ⓘ |
| serviceRole |
local passenger services
ⓘ
regional passenger services ⓘ |
| serviceType | non-electrified routes ⓘ |
| trackGauge |
1435 mm
ⓘ
standard gauge ⓘ |
| tractionType | diesel-mechanical ⓘ |
| trainType |
local train
ⓘ
regional train ⓘ |
| usedFor |
commuter services
ⓘ
inter-urban services ⓘ |
| usedInRegion |
England
ⓘ
Scotland ⓘ Wales ⓘ |
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: British Rail Class 156 Description of subject: The British Rail Class 156 is a diesel multiple-unit passenger train built in the late 1980s for regional and local services across the UK rail network.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Anglia Railways (former)
subject linked to:
Class 150 train
subject linked to:
Class 755 bi-mode multiple unit
linked to: British Rail Class 156
subject linked to:
Class 150/1