Triple

T6459623
Position Surface form Disambiguated ID Type / Status
Subject Oxted line E142082 entity
Predicate passesThrough P225 FINISHED
Object Sanderstead railway station
Sanderstead railway station is a suburban rail station in the London Borough of Croydon, providing commuter services between central London and destinations in Surrey and Sussex.
 E597558 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: Sanderstead railway station | Statement: [Oxted line, passesThrough, Sanderstead railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Sanderstead railway station
Context triple: [Oxted line, passesThrough, Sanderstead 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. Herne Hill railway station
    Herne Hill railway station is a suburban rail station in south London that provides commuter services connecting the local area to central London and other parts of the city.
  • C. Hounslow railway station
    Hounslow railway station is a National Rail station in the London Borough of Hounslow providing suburban and commuter services on the line between central London and southwest London.
  • D. Purley railway station
    Purley railway station is a suburban railway station in the London Borough of Croydon that serves as a key junction and commuter hub on the Southern network in South London.
  • E. 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.
  • 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: Sanderstead railway station
Triple: [Oxted line, passesThrough, Sanderstead railway station]
Generated description
Sanderstead railway station is a suburban rail station in the London Borough of Croydon, providing commuter services between central London and destinations in Surrey and Sussex.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Sanderstead railway station
Target entity description: Sanderstead railway station is a suburban rail station in the London Borough of Croydon, providing commuter services between central London and destinations in Surrey and Sussex.
  • 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. Herne Hill railway station
    Herne Hill railway station is a suburban rail station in south London that provides commuter services connecting the local area to central London and other parts of the city.
  • C. Hounslow railway station
    Hounslow railway station is a National Rail station in the London Borough of Hounslow providing suburban and commuter services on the line between central London and southwest London.
  • D. Purley railway station
    Purley railway station is a suburban railway station in the London Borough of Croydon that serves as a key junction and commuter hub on the Southern network in South London.
  • E. 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.
  • 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_69c65fce95008190b821aafdddbe8296 completed March 27, 2026, 10:45 a.m.
NEDg Description generation batch_69c660e0c6b48190bba7162153af6d80 completed March 27, 2026, 10:50 a.m.
NED2 Entity disambiguation (via description) batch_69c6613a3d1881908a93ffdf3e98ee98 completed March 27, 2026, 10:51 a.m.
Created at: March 22, 2026, 4:48 p.m.