Class 332
E910535
Class 332 is a type of electric multiple unit train used in the United Kingdom, primarily known for operating Heathrow Express services between London Paddington and Heathrow Airport.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Class 332 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11176626 — 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 332 Context triple: [British Rail Class 332, operatorClassDesignation, Class 332]
-
A.
Class 323
Class 323 is a type of British electric multiple unit train widely used for suburban and commuter rail services in the UK.
-
B.
Class 321
Class 321 is a type of British electric multiple unit train widely used for suburban and commuter rail services in the UK.
-
C.
Class 319
Class 319 is a type of British dual-voltage electric multiple unit train used primarily for commuter and regional services.
-
D.
Class 37/0
Class 37/0 is the original batch of British Rail Class 37 diesel-electric locomotives, known for their distinctive design and long service life across the UK rail network.
-
E.
Class 377
Class 377 is a family of electric multiple-unit commuter trains used extensively on suburban and regional services in southern 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: Class 332 Target entity description: Class 332 is a type of electric multiple unit train used in the United Kingdom, primarily known for operating Heathrow Express services between London Paddington and Heathrow Airport.
-
A.
Class 323
Class 323 is a type of British electric multiple unit train widely used for suburban and commuter rail services in the UK.
-
B.
Class 321
Class 321 is a type of British electric multiple unit train widely used for suburban and commuter rail services in the UK.
-
C.
Class 319
Class 319 is a type of British dual-voltage electric multiple unit train used primarily for commuter and regional services.
-
D.
Class 37/0
Class 37/0 is the original batch of British Rail Class 37 diesel-electric locomotives, known for their distinctive design and long service life across the UK rail network.
-
E.
Class 377
Class 377 is a family of electric multiple-unit commuter trains used extensively on suburban and regional services in southern England.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf | electric multiple unit ⓘ |
| brakingSystem | air brakes ⓘ |
| collectionMethod | pantograph ⓘ |
| country | United Kingdom ⓘ |
| couplingType | Scharfenberg NERFINISHED ⓘ |
| designedFor | airport express services ⓘ |
| electricSystem | 25 kV AC overhead ⓘ |
| enteredService | 1998 ⓘ |
| family | Siemens Desiro UK NERFINISHED ⓘ |
| formation |
4-car units
ⓘ
5-car units ⓘ |
| gauge | standard gauge ⓘ |
| introduced | 1998 ⓘ |
| manufacturer |
CAF
NERFINISHED
ⓘ
Siemens Transportation Systems NERFINISHED ⓘ |
| maximumSpeed |
100 mph
ⓘ
160 km/h ⓘ |
| numberBuilt | 21 units ⓘ |
| operator |
Great Western Railway (branding/management for Heathrow Connect phase)
NERFINISHED
ⓘ
Heathrow Airport Holdings (through Heathrow Express) NERFINISHED ⓘ Heathrow Connect NERFINISHED ⓘ Heathrow Express NERFINISHED ⓘ |
| powerType | electric ⓘ |
| primaryService | Heathrow Express services between London Paddington and Heathrow Airport ⓘ |
| routeServed | London Paddington – Heathrow Airport NERFINISHED ⓘ |
| serviceType |
airport rail link
ⓘ
passenger ⓘ |
| trackGauge | 1435 mm ⓘ |
| withdrawnFromService | 2020 ⓘ |
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 332 Description of subject: Class 332 is a type of electric multiple unit train used in the United Kingdom, primarily known for operating Heathrow Express services between London Paddington and Heathrow Airport.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.