Class 150 train
E157470
The Class 150 train is a British diesel multiple unit introduced in the 1980s for regional and commuter services, widely used across the UK rail network.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Class 150 train canonical | 1 |
| Class 150/0 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1339015 — 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: Class 150 train Context triple: [Great Western Railway, fleetIncludes, Class 150 train]
-
A.
Class 165 train
The Class 165 train is a British diesel multiple unit used primarily for suburban and regional passenger services, notably around the Thames Valley and Chiltern routes.
-
B.
Class 166 train
The Class 166 train is a British diesel multiple unit used primarily for regional and commuter services, notably in the Great Western Railway network.
-
C.
Class 756 train
The Class 756 train is a modern tri-mode (electric, battery, and diesel) multiple unit designed for regional and commuter services in Wales as part of Transport for Wales Rail’s fleet modernization.
-
D.
Class 158 Express Sprinter
The Class 158 Express Sprinter is a British diesel multiple-unit train introduced in the late 1980s for regional and intercity services, known for its improved comfort and performance over earlier Sprinter units.
-
E.
Class 180 Adelante
The Class 180 Adelante is a high-speed diesel multiple unit train used on intercity and regional services on the British railway 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: Class 150 train Target entity description: The Class 150 train is a British diesel multiple unit introduced in the 1980s for regional and commuter services, widely used across the UK rail network.
-
A.
Class 165 train
The Class 165 train is a British diesel multiple unit used primarily for suburban and regional passenger services, notably around the Thames Valley and Chiltern routes.
-
B.
Class 166 train
The Class 166 train is a British diesel multiple unit used primarily for regional and commuter services, notably in the Great Western Railway network.
-
C.
Class 756 train
The Class 756 train is a modern tri-mode (electric, battery, and diesel) multiple unit designed for regional and commuter services in Wales as part of Transport for Wales Rail’s fleet modernization.
-
D.
Class 158 Express Sprinter
The Class 158 Express Sprinter is a British diesel multiple-unit train introduced in the late 1980s for regional and intercity services, known for its improved comfort and performance over earlier Sprinter units.
-
E.
Class 180 Adelante
The Class 180 Adelante is a high-speed diesel multiple unit train used on intercity and regional services on the British railway network.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
British Rail second-generation DMU
ⓘ
diesel multiple unit ⓘ |
| brakeType | air brakes ⓘ |
| country | United Kingdom ⓘ |
| coupling | BSI automatic coupler ⓘ |
| designedFor |
commuter services
ⓘ
regional services ⓘ |
| doorType |
power-operated doors (after refurbishment)
ⓘ
slam doors (as built) ⓘ |
| engineType | diesel engine ⓘ |
| enteredService | mid-1980s ⓘ |
| family | Sprinter ⓘ |
| formation |
2-car set
ⓘ
3-car set ⓘ |
| hasSubclass |
Class 150 train
self-linksurface differs
ⓘ
surface form:
Class 150/0
Class 150/1 ⓘ Class 150/2 ⓘ |
| inService |
1984
ⓘ
present ⓘ |
| introduced | 1984 ⓘ |
| introducedBy | British Rail ⓘ |
| manufacturer | BREL York ⓘ |
| multipleWorking | compatible with other Sprinter units ⓘ |
| nickName | Sprinter ⓘ |
| numberBuilt | 137 units ⓘ |
| operator |
Arriva Trains Wales
ⓘ
surface form:
Arriva Trains Wales (former)
First Great Western ⓘ
surface form:
First Great Western (former)
Great Western Railway ⓘ London Midland ⓘ
surface form:
London Midland (former)
Northern Trains ⓘ ScotRail ⓘ Transport for Wales Rail ⓘ West Midlands Railway ⓘ |
| powerType | diesel-mechanical ⓘ |
| serviceType |
local services
ⓘ
regional express services ⓘ stopping services ⓘ |
| successor |
British Rail Class 156
ⓘ
British Rail Class 158 ⓘ |
| topSpeed |
121 km/h
ⓘ
75 mph ⓘ |
| trackGauge | standard gauge ⓘ |
| UICClassification | Bo′2′+2′Bo′ (typical) ⓘ |
| usedInRegion |
England
ⓘ
Scotland ⓘ Wales ⓘ |
| usedOn |
commuter rail lines in Great Britain
ⓘ
regional rail lines in Great Britain ⓘ |
| usedOnNetwork |
National Rail
ⓘ
surface form:
National Rail (Great Britain)
|
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: Class 150 train Description of subject: The Class 150 train is a British diesel multiple unit introduced in the 1980s for regional and commuter services, widely used across the UK rail network.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
British Rail Class 150
this entity surface form:
Class 150/0