Triple

T18631126
Position Surface form Disambiguated ID Type / Status
Subject Tattenham Corner line E455417 entity
Predicate hasStation P35 FINISHED
Object Reedham railway station (London)
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.
 E1334917 NE FINISHED

How this triple was built (4 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.
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: Reedham railway station (London)
Triple: [Tattenham Corner line, hasStation, Reedham railway station (London)]
Generated 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.
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 (5 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.
NED1 Entity disambiguation (via context triple) batch_6a050d7e812c8190ab055062a4479474 completed May 13, 2026, 11:47 p.m.
NEDg Description generation batch_6a050fd68c8c8190a34253dd79090280 completed May 13, 2026, 11:57 p.m.
NED2 Entity disambiguation (via description) batch_6a05108fdea081909fd0a1ccdeaeb704 completed May 14, 2026, midnight
Created at: April 10, 2026, 11:46 a.m.