Class 150/2
E624687
Class 150/2 is a subclass of the British Rail Class 150 diesel multiple units, built for regional and commuter services on the UK rail network.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Class 150/2 canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T6836838 — 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 150/2 Context triple: [British Rail Class 150, hasSubclass, Class 150/2]
-
A.
Class 150/1
Class 150/1 is a subclass of the British Rail Class 150 diesel multiple units, distinguished by its specific interior layout and configuration for regional passenger services.
-
B.
Class 165/1
Class 165/1 is a subseries of British diesel multiple-unit commuter trains designed for regional and suburban passenger services in the UK.
-
C.
Class 158
Class 158 is a British diesel multiple unit train widely used on regional and intercity services, known for its higher comfort and speed compared to older provincial stock.
-
D.
Class 321
Class 321 is a type of British electric multiple unit train widely used for suburban and commuter rail services in the UK.
-
E.
CP Class 2240
CP Class 2240 is a series of electric multiple unit trains operated by Comboios de Portugal, commonly used for suburban and regional passenger services such as those in the Porto urban area.
- 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 150/2 Target entity description: Class 150/2 is a subclass of the British Rail Class 150 diesel multiple units, built for regional and commuter services on the UK rail network.
-
A.
Class 150/1
Class 150/1 is a subclass of the British Rail Class 150 diesel multiple units, distinguished by its specific interior layout and configuration for regional passenger services.
-
B.
Class 165/1
Class 165/1 is a subseries of British diesel multiple-unit commuter trains designed for regional and suburban passenger services in the UK.
-
C.
Class 158
Class 158 is a British diesel multiple unit train widely used on regional and intercity services, known for its higher comfort and speed compared to older provincial stock.
-
D.
Class 321
Class 321 is a type of British electric multiple unit train widely used for suburban and commuter rail services in the UK.
-
E.
CP Class 2240
CP Class 2240 is a series of electric multiple unit trains operated by Comboios de Portugal, commonly used for suburban and regional passenger services such as those in the Porto urban area.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
diesel multiple unit
ⓘ
railway vehicle subclass ⓘ |
| brakeType | air brakes ⓘ |
| builtAt |
BREL York Works
ⓘ
linked to:
BREL York
|
| builtBy | British Rail Engineering Limited ⓘ |
| carType |
driving motor car
ⓘ
intermediate trailer car ⓘ |
| category |
British diesel multiple units
ⓘ
Commuter rail rolling stock in the United Kingdom ⓘ Regional rail in the United Kingdom ⓘ |
| configuration | diesel multiple unit ⓘ |
| country | United Kingdom ⓘ |
| couplingType | BSI automatic coupler ⓘ |
| designedBy | British Rail Engineering Limited ⓘ |
| designedFor |
commuter services
ⓘ
regional services ⓘ suburban stopping patterns ⓘ |
| family | Sprinter ⓘ |
| formation | 2‑car sets ⓘ |
| gauge | 1435 mm ⓘ |
| hasDoors | slam‑type doors ⓘ |
| introducedAsPartOf | British Rail Sprinter programme ⓘ |
| multipleWorking | compatible with other Sprinter units ⓘ |
| operatedBy | various UK train operating companies ⓘ |
| operatedOn |
regional routes in England
ⓘ
regional routes in Scotland ⓘ regional routes in Wales ⓘ |
| operatorArea | Great Britain ⓘ |
| ownerDuringBRPeriod | British Rail ⓘ |
| postPrivatisationUse | franchised passenger operators ⓘ |
| powerType | diesel ⓘ |
| railwayNetwork | National Rail ⓘ |
| relatedTo |
British Rail Class 150/0
ⓘ
linked to:
British Rail Class 150
British Rail Class 150/1 ⓘ
linked to:
British Rail Class 150
|
| serviceType |
commuter rail
ⓘ
regional rail ⓘ |
| subclassOf | British Rail Class 150 ⓘ |
| trackGauge | standard gauge ⓘ |
| UICClassification | Bo′2′+2′Bo′ (approximate for class family) ⓘ |
| usedFor |
short to medium distance services
ⓘ
stopping services ⓘ |
| usedIn | passenger service ⓘ |
| usedOn | non‑electrified lines ⓘ |
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 150/2 Description of subject: Class 150/2 is a subclass of the British Rail Class 150 diesel multiple units, built 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 linked to:
Class 150 train
subject linked to:
Class 150 diesel multiple unit
subject linked to:
Class 150 diesel multiple unit