British Rail Class 150
E547214
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| British Rail Class 150 canonical | 3 |
| British Rail Class 150 diesel multiple units | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5501821 — 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 150 Context triple: [Sprinter, hasSubclass, British Rail Class 150]
-
A.
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.
-
B.
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.
-
C.
British Rail Class 325
The British Rail Class 325 is an electric multiple unit train type designed specifically for high-speed postal and parcel services on the UK rail network.
-
D.
British Rail Class 168
The British Rail Class 168 is a diesel multiple-unit train used primarily by Chiltern Railways for regional and intercity services in the United Kingdom.
-
E.
British Rail Class 323
The British Rail Class 323 is a type of electric multiple unit train widely used on suburban and commuter rail services in the West Midlands and North West England.
- 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 150 Target entity description: 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.
-
A.
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.
-
B.
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.
-
C.
British Rail Class 325
The British Rail Class 325 is an electric multiple unit train type designed specifically for high-speed postal and parcel services on the UK rail network.
-
D.
British Rail Class 168
The British Rail Class 168 is a diesel multiple-unit train used primarily by Chiltern Railways for regional and intercity services in the United Kingdom.
-
E.
British Rail Class 323
The British Rail Class 323 is a type of electric multiple unit train widely used on suburban and commuter rail services in the West Midlands and North West England.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
British Rail diesel multiple unit
ⓘ
diesel multiple unit ⓘ |
| brakeType | air brakes ⓘ |
| buildEnd | 1987 ⓘ |
| buildStart | 1984 ⓘ |
| carBodyConstruction | steel ⓘ |
| configuration | 2-car set ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| couplingType | BSI automatic coupler ⓘ |
| designedBy | British Rail Engineering Limited NERFINISHED ⓘ |
| designedFor | non-electrified lines ⓘ |
| doorType | sliding plug doors ⓘ |
| electricSystem | none ⓘ |
| engineType | diesel engine ⓘ |
| enteredService | 1984 ⓘ |
| family | Sprinter NERFINISHED ⓘ |
| floorHeight | low-floor regional design ⓘ |
| formation | 2 cars per unit ⓘ |
| gauge | standard gauge ⓘ |
| introduced | 1984 ⓘ |
| manufacturer |
BREL Derby
NERFINISHED
ⓘ
BREL York NERFINISHED ⓘ |
| maximumSpeed |
121 km/h
ⓘ
75 mph ⓘ |
| nicknamed | Sprinter NERFINISHED ⓘ |
| numberBuilt | 137 units ⓘ |
| operator |
Arriva Trains Wales (past)
NERFINISHED
ⓘ
British Rail NERFINISHED ⓘ First Great Western (past) NERFINISHED ⓘ Great Western Railway NERFINISHED ⓘ Northern Trains ⓘ Regional Railways (sector of British Rail) NERFINISHED ⓘ ScotRail (past) NERFINISHED ⓘ Transport for Wales Rail NERFINISHED ⓘ West Midlands Railway NERFINISHED ⓘ |
| operatorArea |
England
NERFINISHED
ⓘ
Scotland NERFINISHED ⓘ Wales NERFINISHED ⓘ |
| powerType | diesel ⓘ |
| primaryUse |
commuter services
ⓘ
regional services ⓘ |
| replaced | first-generation DMUs ⓘ |
| subclass |
Class 150/0
NERFINISHED
ⓘ
Class 150/1 NERFINISHED ⓘ Class 150/2 NERFINISHED ⓘ |
| successor |
British Rail Class 156
NERFINISHED
ⓘ
British Rail Class 158 NERFINISHED ⓘ |
| trackGauge | 1435 mm ⓘ |
| UICClassification | Bo′2′+2′Bo′ (typical) ⓘ |
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 150 Description of subject: 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.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Anglia Railways
this entity surface form:
British Rail Class 150 diesel multiple units