LNER Class K3
E760835
The LNER Class K3 was a class of British 2-6-0 steam locomotives designed by Sir Nigel Gresley for heavy mixed-traffic work on the London and North Eastern Railway.
All labels observed (2)
| Label | Occurrences |
|---|---|
| LNER Class K3 canonical | 1 |
| LNER Class K3 steam locomotive | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8845378 — 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 K3 Context triple: [LNER Class V2, precededBy, LNER Class K3]
-
A.
LNER Class P2
The LNER Class P2 was a powerful class of 2-8-2 steam locomotives designed by Sir Nigel Gresley for hauling heavy express trains on the challenging Edinburgh–Aberdeen route in the 1930s.
-
B.
LNER Class V2
The LNER Class V2 was a class of powerful 2-6-2 steam locomotives designed by Sir Nigel Gresley for mixed-traffic duties on the London and North Eastern Railway in the mid-20th century.
-
C.
LMS Jubilee Class
The LMS Jubilee Class was a class of British steam locomotives built in the 1930s for express passenger services on the London, Midland and Scottish Railway.
-
D.
British Rail Class 56
The British Rail Class 56 is a heavy freight diesel-electric locomotive introduced in the 1970s for high-power haulage duties on the UK rail network.
-
E.
BR Standard Class 5
The BR Standard Class 5 was a versatile British steam locomotive class introduced in the 1950s for mixed-traffic duties across the nationalised railway network.
- 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 K3 Target entity description: The LNER Class K3 was a class of British 2-6-0 steam locomotives designed by Sir Nigel Gresley for heavy mixed-traffic work on the London and North Eastern Railway.
-
A.
LNER Class P2
The LNER Class P2 was a powerful class of 2-8-2 steam locomotives designed by Sir Nigel Gresley for hauling heavy express trains on the challenging Edinburgh–Aberdeen route in the 1930s.
-
B.
LNER Class V2
The LNER Class V2 was a class of powerful 2-6-2 steam locomotives designed by Sir Nigel Gresley for mixed-traffic duties on the London and North Eastern Railway in the mid-20th century.
-
C.
LMS Jubilee Class
The LMS Jubilee Class was a class of British steam locomotives built in the 1930s for express passenger services on the London, Midland and Scottish Railway.
-
D.
British Rail Class 56
The British Rail Class 56 is a heavy freight diesel-electric locomotive introduced in the 1970s for high-power haulage duties on the UK rail network.
-
E.
BR Standard Class 5
The BR Standard Class 5 was a versatile British steam locomotive class introduced in the 1950s for mixed-traffic duties across the nationalised railway network.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
2-6-0 locomotive
ⓘ
steam locomotive class ⓘ |
| configuration | tender locomotive ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| designedBy | Sir Nigel Gresley NERFINISHED ⓘ |
| designedFor |
freight traffic
ⓘ
passenger traffic ⓘ |
| designer | Nigel Gresley NERFINISHED ⓘ |
| era | steam era ⓘ |
| gauge | standard gauge ⓘ |
| hasDesignerTitle | Sir ⓘ |
| introducedBy | London and North Eastern Railway NERFINISHED ⓘ |
| locomotiveType | tender engine ⓘ |
| namedAfter | LNER classification system ⓘ |
| operatedBy | London and North Eastern Railway NERFINISHED ⓘ |
| operator | LNER NERFINISHED ⓘ |
| powerType | steam ⓘ |
| primaryRole | heavy mixed-traffic work ⓘ |
| railwayCompany | London and North Eastern Railway NERFINISHED ⓘ |
| railwayNetwork | LNER network ⓘ |
| regionOfOperation | Great Britain NERFINISHED ⓘ |
| successorOperator | British Railways NERFINISHED ⓘ |
| trackGauge | 1435 mm ⓘ |
| UICClassification | 1′D h2 ⓘ |
| usedFor |
express goods services
ⓘ
heavy freight trains ⓘ passenger services ⓘ |
| usedOn | main line services ⓘ |
| wheelArrangement | 2-6-0 ⓘ |
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 K3 Description of subject: The LNER Class K3 was a class of British 2-6-0 steam locomotives designed by Sir Nigel Gresley for heavy mixed-traffic work on the London and North Eastern Railway.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
LNER Class K3 steam locomotive