Triple

T13851550
Position Surface form Disambiguated ID Type / Status
Subject Croydon South E332954 entity
Predicate hasTransportLink P1298 FINISHED
Object Sanderstead railway station E597558 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: Sanderstead railway station | Statement: [Croydon South, hasTransportLink, Sanderstead railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Sanderstead railway station
Context triple: [Croydon South, hasTransportLink, Sanderstead railway station]
  • A. Sanderstead railway station chosen
    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.
  • B. 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.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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_69fbac802b7081909b36eebe85374594 completed May 6, 2026, 9:02 p.m.
Created at: April 9, 2026, 10:14 p.m.