Triple

T6459622
Position Surface form Disambiguated ID Type / Status
Subject Oxted line E142082 entity
Predicate passesThrough P225 FINISHED
Object South Croydon railway station
South Croydon railway station is a suburban rail station in the London Borough of Croydon that serves commuter services between central London and destinations in Surrey and beyond.
 E595283 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: South Croydon railway station | Statement: [Oxted line, passesThrough, South Croydon railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: South Croydon railway station
Context triple: [Oxted line, passesThrough, South Croydon railway station]
  • A. West Croydon station
    West Croydon station is a major transport interchange in south London, serving National Rail, London Overground, and Tramlink services for the Croydon area.
  • B. East Croydon station
    East Croydon station is a major railway interchange in south London, serving as one of the busiest commuter hubs on routes between central London, Gatwick Airport, and the south coast.
  • C. Wandsworth Town railway station
    Wandsworth Town railway station is a suburban rail station in the London Borough of Wandsworth providing commuter services into central London and surrounding areas.
  • D. Redhill railway station
    Redhill railway station is a major railway hub in Surrey, England, providing regional and commuter services on key routes between London, the South Coast, and the South East.
  • E. Wandsworth Common railway station
    Wandsworth Common railway station is a suburban rail station in the London Borough of Wandsworth that serves the surrounding residential area with services into central London.
  • 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: South Croydon railway station
Triple: [Oxted line, passesThrough, South Croydon railway station]
Generated description
South Croydon railway station is a suburban rail station in the London Borough of Croydon that serves commuter services between central London and destinations in Surrey and beyond.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: South Croydon railway station
Target entity description: South Croydon railway station is a suburban rail station in the London Borough of Croydon that serves commuter services between central London and destinations in Surrey and beyond.
  • A. West Croydon station
    West Croydon station is a major transport interchange in south London, serving National Rail, London Overground, and Tramlink services for the Croydon area.
  • B. East Croydon station
    East Croydon station is a major railway interchange in south London, serving as one of the busiest commuter hubs on routes between central London, Gatwick Airport, and the south coast.
  • C. Wandsworth Town railway station
    Wandsworth Town railway station is a suburban rail station in the London Borough of Wandsworth providing commuter services into central London and surrounding areas.
  • D. Redhill railway station
    Redhill railway station is a major railway hub in Surrey, England, providing regional and commuter services on key routes between London, the South Coast, and the South East.
  • E. Wandsworth Common railway station
    Wandsworth Common railway station is a suburban rail station in the London Borough of Wandsworth that serves the surrounding residential area with services into central London.
  • 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_69c008d2f91c8190a8178767a35e08fc completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c069f347f48190a2b22c5b648b17bd completed March 22, 2026, 10:15 p.m.
NED1 Entity disambiguation (via context triple) batch_69c653971f988190847187ae60b6eeb5 completed March 27, 2026, 9:53 a.m.
NEDg Description generation batch_69c654907e1081908a322bd8ac03cd88 completed March 27, 2026, 9:57 a.m.
NED2 Entity disambiguation (via description) batch_69c654fafcd88190b28d49e9fe264246 completed March 27, 2026, 9:59 a.m.
Created at: March 22, 2026, 4:48 p.m.