V2
E760831
V2 is a class of British 2-6-2 steam locomotives designed by Sir Nigel Gresley for mixed-traffic duties on the London and North Eastern Railway.
All labels observed (1)
| Label | Occurrences |
|---|---|
| V2 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8845364 — 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: V2 Context triple: [LNER Class V2, operatorClass, V2]
-
A.
V4
V4 is a regional alliance of four Central European countries—Czech Republic, Hungary, Poland, and Slovakia—cooperating on political, economic, and security issues within the European context.
-
B.
V.
V. is Thomas Pynchon's 1963 debut novel, a complex, postmodern work that interweaves multiple narratives and historical periods in a quest surrounding the mysterious figure or concept known only as "V."
-
C.
V
V is the stock ticker symbol for Visa Inc., a leading global payments technology company.
-
D.
V
V was a former New York City Subway service that operated as a local line along Sixth Avenue in Manhattan and Queens until it was discontinued in 2010.
-
E.
V
V is a studio album by the American instrumental rock band The Fucking Champs, known for its intricate, metal-influenced guitar work and progressive song structures.
- 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: V2 Target entity description: V2 is a class of British 2-6-2 steam locomotives designed by Sir Nigel Gresley for mixed-traffic duties on the London and North Eastern Railway.
-
A.
V4
V4 is a regional alliance of four Central European countries—Czech Republic, Hungary, Poland, and Slovakia—cooperating on political, economic, and security issues within the European context.
-
B.
V.
V. is Thomas Pynchon's 1963 debut novel, a complex, postmodern work that interweaves multiple narratives and historical periods in a quest surrounding the mysterious figure or concept known only as "V."
-
C.
V
V is the stock ticker symbol for Visa Inc., a leading global payments technology company.
-
D.
V
V was a former New York City Subway service that operated as a local line along Sixth Avenue in Manhattan and Queens until it was discontinued in 2010.
-
E.
V
V is a studio album by the American instrumental rock band The Fucking Champs, known for its intricate, metal-influenced guitar work and progressive song structures.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
2-6-2 locomotive
ⓘ
steam locomotive class ⓘ |
| brakeType | vacuum brake ⓘ |
| buildEnd | 1944 ⓘ |
| buildStart | 1936 ⓘ |
| category |
2-6-2 locomotives
ⓘ
LNER locomotives NERFINISHED ⓘ standard gauge steam locomotives of Great Britain ⓘ |
| configuration | 2-6-2 tender locomotive ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| cylinderArrangement | three-cylinder ⓘ |
| cylinderCount | 3 ⓘ |
| designedBy | Sir Nigel Gresley NERFINISHED ⓘ |
| designedFor |
express freight
ⓘ
fast passenger trains ⓘ |
| designer | Sir Nigel Gresley NERFINISHED ⓘ |
| designerRole | LNER Chief Mechanical Engineer NERFINISHED ⓘ |
| fuelType | coal ⓘ |
| gauge | standard gauge ⓘ |
| historicalEra | steam era ⓘ |
| introduced | 1936 ⓘ |
| nickname | Green Arrows NERFINISHED ⓘ |
| notableLocomotive |
LNER 4771 Green Arrow
NERFINISHED
ⓘ
LNER 60800 Green Arrow NERFINISHED ⓘ |
| numberBuilt | 184 ⓘ |
| operatedBy | London and North Eastern Railway NERFINISHED ⓘ |
| operatorAbbreviation | LNER NERFINISHED ⓘ |
| operatorAfterGrouping | British Railways NERFINISHED ⓘ |
| powerType | steam ⓘ |
| preservedExamples | 60800 Green Arrow NERFINISHED ⓘ |
| primaryUse |
freight services
ⓘ
mixed-traffic duties ⓘ passenger services ⓘ |
| railwayCompany | London and North Eastern Railway NERFINISHED ⓘ |
| railwayNetwork | British main line railways ⓘ |
| railwayRegion | LNER Eastern Region NERFINISHED ⓘ |
| regionOfOperation | East Coast Main Line NERFINISHED ⓘ |
| relatedClass |
LNER Class A3
NERFINISHED
ⓘ
LNER Class A4 NERFINISHED ⓘ |
| successorOperator | British Railways Eastern Region NERFINISHED ⓘ |
| trackGauge | 1,435 mm ⓘ |
| UICClassification | 1′C1′ h3 ⓘ |
| usedBy | British Railways NERFINISHED ⓘ |
| valveGear | Walschaerts NERFINISHED ⓘ |
| wheelArrangement | 2-6-2 ⓘ |
| whyNotable | only preserved example is Green Arrow ⓘ |
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: V2 Description of subject: V2 is a class of British 2-6-2 steam locomotives designed by Sir Nigel Gresley for mixed-traffic duties on the London and North Eastern Railway.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.