LNER Class A4 4489 Dominion of Canada
E848641
LNER Class A4 4489 Dominion of Canada is a preserved streamlined express steam locomotive from the famous A4 class designed by Sir Nigel Gresley for high-speed passenger service on the London and North Eastern Railway.
All labels observed (1)
| Label | Occurrences |
|---|---|
| LNER Class A4 4489 Dominion of Canada canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9964122 — 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: LNER Class A4 4489 Dominion of Canada Context triple: [Doncaster Works, builtLocomotive, LNER Class A4 4489 Dominion of Canada]
-
A.
LNER Class A4
The LNER Class A4 is a class of streamlined British express steam locomotives designed by Sir Nigel Gresley, famed for their high-speed service and for producing Mallard, the world speed record holder for steam traction.
-
B.
LNER Class A4 4468 Mallard
LNER Class A4 4468 Mallard is a famous British steam locomotive best known for holding the world speed record for steam traction, set in 1938.
-
C.
LNER Class A3 4472 Flying Scotsman
LNER Class A3 4472 Flying Scotsman is a famous British steam locomotive renowned for being one of the world’s most iconic express passenger engines and the first to officially reach 100 mph.
-
D.
LNER Class A3
The LNER Class A3 was a famous class of British express steam locomotives, including the record-breaking Flying Scotsman, designed by Sir Nigel Gresley for high-speed mainline passenger service.
-
E.
LNER Class A1
The LNER Class A1 was a series of powerful British express passenger steam locomotives designed by Sir Nigel Gresley for high-speed mainline services in the early 20th century.
- 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: LNER Class A4 4489 Dominion of Canada Target entity description: LNER Class A4 4489 Dominion of Canada is a preserved streamlined express steam locomotive from the famous A4 class designed by Sir Nigel Gresley for high-speed passenger service on the London and North Eastern Railway.
-
A.
LNER Class A4
The LNER Class A4 is a class of streamlined British express steam locomotives designed by Sir Nigel Gresley, famed for their high-speed service and for producing Mallard, the world speed record holder for steam traction.
-
B.
LNER Class A4 4468 Mallard
LNER Class A4 4468 Mallard is a famous British steam locomotive best known for holding the world speed record for steam traction, set in 1938.
-
C.
LNER Class A3 4472 Flying Scotsman
LNER Class A3 4472 Flying Scotsman is a famous British steam locomotive renowned for being one of the world’s most iconic express passenger engines and the first to officially reach 100 mph.
-
D.
LNER Class A3
The LNER Class A3 was a famous class of British express steam locomotives, including the record-breaking Flying Scotsman, designed by Sir Nigel Gresley for high-speed mainline passenger service.
-
E.
LNER Class A1
The LNER Class A1 was a series of powerful British express passenger steam locomotives designed by Sir Nigel Gresley for high-speed mainline services in the early 20th century.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
LNER Class A4 locomotive
ⓘ
steam locomotive ⓘ |
| builder | London and North Eastern Railway NERFINISHED ⓘ |
| builtFor | London and North Eastern Railway NERFINISHED ⓘ |
| class | A4 ⓘ |
| configuration |
4-6-2
ⓘ
Pacific type ⓘ |
| countryOfOperation | United Kingdom ⓘ |
| designedFor | East Coast Main Line express services NERFINISHED ⓘ |
| designer | Nigel Gresley NERFINISHED ⓘ |
| era | steam era ⓘ |
| fleetNumber | 4489 ⓘ |
| gauge | standard gauge ⓘ |
| hasDrivingWheelArrangement | six coupled driving wheels ⓘ |
| hasLeadingWheelArrangement | four leading wheels ⓘ |
| hasStreamlinedDesign | true ⓘ |
| hasTrailingWheelArrangement | two trailing wheels ⓘ |
| heritageCategory | mainline express steam locomotive ⓘ |
| heritageStatus | preserved locomotive ⓘ |
| isPartOf | LNER Class A4 NERFINISHED ⓘ |
| isPreserved | true ⓘ |
| name | Dominion of Canada NERFINISHED ⓘ |
| notableFor |
high-speed express passenger work
ⓘ
streamlined appearance ⓘ |
| operator |
British Railways
NERFINISHED
ⓘ
London and North Eastern Railway NERFINISHED ⓘ |
| powerType | steam ⓘ |
| purpose | high-speed passenger service ⓘ |
| railwayCompany | London and North Eastern Railway NERFINISHED ⓘ |
| traction | steam ⓘ |
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: LNER Class A4 4489 Dominion of Canada Description of subject: LNER Class A4 4489 Dominion of Canada is a preserved streamlined express steam locomotive from the famous A4 class designed by Sir Nigel Gresley for high-speed passenger service on the London and North Eastern Railway.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.