Triple

T17028888
Position Surface form Disambiguated ID Type / Status
Subject Leyton E413137 entity
Predicate hasRailTransport P19495 FINISHED
Object Leyton Underground station — NE NERFINISHED

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: Leyton Underground station | Statement: [Leyton, hasRailTransport, Leyton Underground station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Leyton Underground station
Context triple: [Leyton, hasRailTransport, Leyton Underground station]
  • A. Leytonstone Underground station
    Leytonstone Underground station is a London Underground station in East London served by the Central line, providing commuter access between Leytonstone and central London.
  • B. Wanstead tube station
    Wanstead tube station is a London Underground station on the Central line serving the Wanstead area in East London.
  • C. Epping tube station
    Epping tube station is the northeastern terminus of the London Underground’s Central line, serving the town of Epping in Essex.
  • D. Snaresbrook tube station
    Snaresbrook tube station is a London Underground station on the Central line serving the Snaresbrook area in northeast London.
  • E. Canning Town Underground station
    Canning Town Underground station is a major transport interchange in East London, serving the Jubilee line, Docklands Light Railway, and local bus routes.
  • 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: Leyton Underground station
Target entity description: Leyton Underground station is a London Underground station on the Central line serving the Leyton area in the London Borough of Waltham Forest.
  • A. Leytonstone Underground station
    Leytonstone Underground station is a London Underground station in East London served by the Central line, providing commuter access between Leytonstone and central London.
  • B. Wanstead tube station
    Wanstead tube station is a London Underground station on the Central line serving the Wanstead area in East London.
  • C. Epping tube station
    Epping tube station is the northeastern terminus of the London Underground’s Central line, serving the town of Epping in Essex.
  • D. Snaresbrook tube station
    Snaresbrook tube station is a London Underground station on the Central line serving the Snaresbrook area in northeast London.
  • E. Canning Town Underground station
    Canning Town Underground station is a major transport interchange in East London, serving the Jubilee line, Docklands Light Railway, and local bus routes.
  • F. None of above. chosen

Provenance (2 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_69d886cc4170819093deddc7b8b4b6a7 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e3d5d858448190acfe81f10d83ed4b completed April 18, 2026, 7:04 p.m.
Created at: April 10, 2026, 5:33 a.m.