Triple

T8881508
Position Surface form Disambiguated ID Type / Status
Subject LNER Class P2 E211420 entity
Predicate rebuilderRole P62871 FINISHED
Object LNER Chief Mechanical Engineer E195635 NE FINISHED

How this triple was built (3 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: LNER Chief Mechanical Engineer | Statement: [LNER Class P2, rebuilderRole, LNER Chief Mechanical Engineer]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: LNER Chief Mechanical Engineer
Context triple: [LNER Class P2, rebuilderRole, LNER Chief Mechanical Engineer]
  • A. Nigel Gresley chosen
    Nigel Gresley was a renowned British steam locomotive engineer best known for designing record-breaking express engines such as the LNER Class A4 Mallard.
  • B. British Rail Engineering Limited
    British Rail Engineering Limited was the former engineering subsidiary of British Rail, responsible for designing, building, and maintaining much of the UK’s rolling stock and railway equipment.
  • C. Richard Beeching
    Richard Beeching was a British physicist, industrialist, and chairman of British Railways best known for authoring the 1960s reports that led to widespread railway line closures in the UK.
  • D. Railway Technical Centre
    The Railway Technical Centre is a major British rail research and development facility in Derby that has historically served as the central hub for engineering, testing, and innovation for the UK railway industry.
  • E. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: rebuilderRole
Context triple: [LNER Class P2, rebuilderRole, LNER Chief Mechanical Engineer]
  • A. redefinedRoleOf
    Indicates that one entity has changed, updated, or newly specified the function, responsibilities, or position of another entity.
  • B. rebuild
    Indicates restoring or constructing again something that was previously built, often after damage, destruction, or significant alteration.
  • C. revivalVersionRole
    Indicates the role or function an entity has in relation to a particular version of a revival (e.g., a new staging, edition, or re-release) of a work or event.
  • D. majorRebuilder chosen
    Indicates that an entity plays a primary or leading role in reconstructing, restoring, or significantly rebuilding another entity.
  • E. rebuiltUnder
    Indicates that an entity was reconstructed or restored while being subject to the authority, control, or governance of another entity.
  • F. None of above.

Provenance (4 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
PD Predicate disambiguation batch_69cc5c2956788190a311c647b4da17a6 completed March 31, 2026, 11:43 p.m.
Created at: March 30, 2026, 6:53 p.m.