Triple

T8881516
Position Surface form Disambiguated ID Type / Status
Subject LNER Class P2 E211420 entity
Predicate heritageProject P85498 FINISHED
Object new-build P2 No. 2007 Prince of Wales
New-build P2 No. 2007 Prince of Wales is a modern recreation of an LNER Class P2 steam locomotive being constructed in the UK as part of a heritage engineering project to return this powerful express engine type to mainline operation.
E764184 NE FINISHED

How this triple was built (5 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: new-build P2 No. 2007 Prince of Wales | Statement: [LNER Class P2, heritageProject, new-build P2 No. 2007 Prince of Wales]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: new-build P2 No. 2007 Prince of Wales
Context triple: [LNER Class P2, heritageProject, new-build P2 No. 2007 Prince of Wales]
  • A. 6200 Princess Royal
    6200 Princess Royal is the pioneering steam locomotive of the LMS Princess Royal Class, built in the 1930s for high-speed express passenger services on Britain’s West Coast Main Line.
  • B. 6201 Princess Elizabeth
    6201 Princess Elizabeth is a preserved British LMS Princess Royal Class steam locomotive, renowned for its mainline excursions and historical significance in express passenger service.
  • C. LMS Princess Royal Class
    The LMS Princess Royal Class was a series of powerful British express passenger steam locomotives built in the 1930s for high-speed mainline services on the London, Midland and Scottish Railway.
  • D. Viscount Birkenhead
    Viscount Birkenhead is a British peerage title most famously associated with F. E. Smith, a prominent early 20th-century Conservative politician and Lord Chancellor.
  • E. B&O No. 2 Atlantic
    B&O No. 2 Atlantic is a historic Baltimore & Ohio Railroad steam locomotive preserved as a prominent example of early American passenger train power.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: new-build P2 No. 2007 Prince of Wales
Triple: [LNER Class P2, heritageProject, new-build P2 No. 2007 Prince of Wales]
Generated description
New-build P2 No. 2007 Prince of Wales is a modern recreation of an LNER Class P2 steam locomotive being constructed in the UK as part of a heritage engineering project to return this powerful express engine type to mainline operation.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: new-build P2 No. 2007 Prince of Wales
Target entity description: New-build P2 No. 2007 Prince of Wales is a modern recreation of an LNER Class P2 steam locomotive being constructed in the UK as part of a heritage engineering project to return this powerful express engine type to mainline operation.
  • A. 6200 Princess Royal
    6200 Princess Royal is the pioneering steam locomotive of the LMS Princess Royal Class, built in the 1930s for high-speed express passenger services on Britain’s West Coast Main Line.
  • B. 6201 Princess Elizabeth
    6201 Princess Elizabeth is a preserved British LMS Princess Royal Class steam locomotive, renowned for its mainline excursions and historical significance in express passenger service.
  • C. LMS Princess Royal Class
    The LMS Princess Royal Class was a series of powerful British express passenger steam locomotives built in the 1930s for high-speed mainline services on the London, Midland and Scottish Railway.
  • D. Viscount Birkenhead
    Viscount Birkenhead is a British peerage title most famously associated with F. E. Smith, a prominent early 20th-century Conservative politician and Lord Chancellor.
  • E. B&O No. 2 Atlantic
    B&O No. 2 Atlantic is a historic Baltimore & Ohio Railroad steam locomotive preserved as a prominent example of early American passenger train power.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: heritageProject
Context triple: [LNER Class P2, heritageProject, new-build P2 No. 2007 Prince of Wales]
  • A. heritageComponent
    Indicates that one entity forms a constituent or contributing part of another entity’s cultural or historical heritage.
  • B. heritageService
    Indicates that an entity provides, manages, or is associated with services related to the preservation, interpretation, or promotion of cultural or natural heritage.
  • C. heritageManagement
    Indicates the management, preservation, and regulation of cultural or natural heritage resources by responsible entities.
  • D. designHeritage
    Indicates that one entity has influenced, shaped, or contributed to the design tradition or stylistic lineage of another entity.
  • E. heritageType
    Indicates the classification of an entity’s cultural or natural heritage category or type within a heritage framework.
  • F. None of above. chosen

Provenance (7 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69ca838f9e20819096ab1f236a70381a completed March 30, 2026, 2:07 p.m.
NER Named-entity recognition batch_69cc6168e3d881908c58cf11cf5f9a0e completed April 1, 2026, 12:06 a.m.
NED1 Entity disambiguation (via context triple) batch_69cfabca74888190934593d6504fbed1 completed April 3, 2026, noon
NEDg Description generation batch_69cfac9c743c8190a26f753111f07281 completed April 3, 2026, 12:03 p.m.
NED2 Entity disambiguation (via description) batch_69cfad54cf5c81908558fd4c21f2f3b6 completed April 3, 2026, 12:06 p.m.
PD Predicate disambiguation batch_69cc5c2956788190a311c647b4da17a6 completed March 31, 2026, 11:43 p.m.
PDg Predicate description generation batch_69cc5d6e54808190af4156edd4c8ffbc completed March 31, 2026, 11:49 p.m.
Created at: March 30, 2026, 6:53 p.m.