LNER Class A4 4498 Sir Nigel Gresley
E848709
LNER Class A4 4498 Sir Nigel Gresley is a preserved British streamlined express steam locomotive, named after its designer and renowned for its high-speed service on the London and North Eastern Railway.
All labels observed (1)
| Label | Occurrences |
|---|---|
| LNER Class A4 4498 Sir Nigel Gresley canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9964123 — 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 4498 Sir Nigel Gresley Context triple: [Doncaster Works, builtLocomotive, LNER Class A4 4498 Sir Nigel Gresley]
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
LNER Class A4 4489 Dominion of Canada
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.
-
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 4498 Sir Nigel Gresley Target entity description: LNER Class A4 4498 Sir Nigel Gresley is a preserved British streamlined express steam locomotive, named after its designer and renowned for its high-speed service on the London and North Eastern Railway.
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
LNER Class A4 4489 Dominion of Canada
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.
-
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 (46)
| Predicate | Object |
|---|---|
| instanceOf |
express passenger locomotive
ⓘ
steam locomotive ⓘ |
| belongsToClassFamily | Gresley Pacifics NERFINISHED ⓘ |
| brakeType | vacuum brake ⓘ |
| builder |
Doncaster Works
NERFINISHED
ⓘ
London and North Eastern Railway NERFINISHED ⓘ |
| class | LNER Class A4 NERFINISHED ⓘ |
| completedOn | 1937 ⓘ |
| configuration |
4-6-2
ⓘ
Pacific ⓘ |
| country | United Kingdom ⓘ |
| cylinderCount | 3 ⓘ |
| designedFor | high-speed express passenger services ⓘ |
| designer | Nigel Gresley NERFINISHED ⓘ |
| enteredServiceOn | 1937 ⓘ |
| fleetNumber |
4498
ⓘ
BR 60007 NERFINISHED ⓘ LNER 4498 NERFINISHED ⓘ |
| gauge | standard gauge ⓘ |
| hasBoilerPressure | 250 psi ⓘ |
| hasDrivingWheelDiameter | 6 ft 8 in ⓘ |
| hasHeadboard |
The Elizabethan
NERFINISHED
ⓘ
The Talisman NERFINISHED ⓘ |
| hasNickname | Sir Nigel NERFINISHED ⓘ |
| heritageRole |
heritage railway locomotive
ⓘ
main line railtour locomotive ⓘ |
| introducedOn | 1937 ⓘ |
| namedAfter | Nigel Gresley NERFINISHED ⓘ |
| notableFor |
high-speed service
ⓘ
streamlined design ⓘ |
| operator | London and North Eastern Railway NERFINISHED ⓘ |
| powerClassification | BR 8P ⓘ |
| powerType | steam ⓘ |
| preservationLocation | United Kingdom NERFINISHED ⓘ |
| preservationStatus | operational in preservation ⓘ |
| preserved | true ⓘ |
| railwayCompany | London and North Eastern Railway NERFINISHED ⓘ |
| railwayRegion | LNER Eastern Region NERFINISHED ⓘ |
| streamlined | true ⓘ |
| trackGauge | 1435 mm ⓘ |
| UICClassification | 2′C1′ h3 ⓘ |
| usedOn | East Coast Main Line NERFINISHED ⓘ |
| valveGear | Walschaerts ⓘ |
| wheelArrangement | 4-6-2 ⓘ |
| withdrawnOn | 1966 ⓘ |
| worksNumber | 1866 ⓘ |
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 4498 Sir Nigel Gresley Description of subject: LNER Class A4 4498 Sir Nigel Gresley is a preserved British streamlined express steam locomotive, named after its designer and renowned for its high-speed 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.