Triple

T13851548
Position Surface form Disambiguated ID Type / Status
Subject Croydon South E332954 entity
Predicate hasTransportLink P1298 FINISHED
Object Coulsdon South railway station E433294 NE FINISHED

How this triple was built (2 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: Coulsdon South railway station | Statement: [Croydon South, hasTransportLink, Coulsdon South railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Coulsdon South railway station
Context triple: [Croydon South, hasTransportLink, Coulsdon South railway station]
  • A. Coulsdon South railway station chosen
    Coulsdon South railway station is a commuter rail station in the London Borough of Croydon, serving the Coulsdon area on the Brighton Main Line with services towards central London and the south coast.
  • B. Coulsdon Town railway station
    Coulsdon Town railway station is a suburban rail station in the London Borough of Croydon, providing local services on the Tattenham Corner line into central London.
  • C. 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.
  • D. 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.
  • E. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d81c5ba13c8190839315f54768acfd completed April 9, 2026, 9:38 p.m.
NER Named-entity recognition batch_69de02da9460819093a3ec5a3c62ea81 completed April 14, 2026, 9:03 a.m.
NED1 Entity disambiguation (via context triple) batch_69f7c0f73838819085d6f052c00fc494 completed May 3, 2026, 9:41 p.m.
Created at: April 9, 2026, 10:14 p.m.