Triple

T18631126
Position Surface form Disambiguated ID Type / Status
Subject Tattenham Corner line E455417 entity
Predicate hasStation P35 FINISHED
Object Reedham railway station (London) — 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: Reedham railway station (London) | Statement: [Tattenham Corner line, hasStation, Reedham railway station (London)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Reedham railway station (London)
Context triple: [Tattenham Corner line, hasStation, Reedham railway station (London)]
  • A. Rainham railway station (Kent)
    Rainham railway station (Kent) is a suburban railway station in the town of Rainham in the Medway unitary authority, providing passenger services on the Chatham Main Line in southeast England.
  • B. Basildon railway station
    Basildon railway station is the main rail hub serving the town of Basildon in Essex, England, on the London, Tilbury and Southend line.
  • C. Redbridge railway station
    Redbridge railway station is a small suburban rail stop in Hampshire, England, serving the Redbridge area near Southampton on local and regional routes.
  • D. Radlett railway station
    Radlett railway station is a commuter rail station in Hertfordshire, England, serving the town of Radlett on the Midland Main Line with Thameslink services to London and beyond.
  • E. Balham railway station
    Balham railway station is a National Rail station in the Balham area of south London, providing suburban rail services and an interchange with the London Underground.
  • 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: Reedham railway station (London)
Target entity description: Reedham railway station (London) is a suburban rail station in the London Borough of Croydon served by Southern trains, providing commuter links between local areas and central London.
  • A. Rainham railway station (Kent)
    Rainham railway station (Kent) is a suburban railway station in the town of Rainham in the Medway unitary authority, providing passenger services on the Chatham Main Line in southeast England.
  • B. Basildon railway station
    Basildon railway station is the main rail hub serving the town of Basildon in Essex, England, on the London, Tilbury and Southend line.
  • C. Redbridge railway station
    Redbridge railway station is a small suburban rail stop in Hampshire, England, serving the Redbridge area near Southampton on local and regional routes.
  • D. Radlett railway station
    Radlett railway station is a commuter rail station in Hertfordshire, England, serving the town of Radlett on the Midland Main Line with Thameslink services to London and beyond.
  • E. Balham railway station
    Balham railway station is a National Rail station in the Balham area of south London, providing suburban rail services and an interchange with the London Underground.
  • 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_69d8d38cc7948190a55ea64e5638994e completed April 10, 2026, 10:40 a.m.
NER Named-entity recognition batch_69e54f07fa8481908b2535b8fba70b7e completed April 19, 2026, 9:54 p.m.
Created at: April 10, 2026, 11:46 a.m.