Triple

T2803570
Position Surface form Disambiguated ID Type / Status
Subject Greenwich railway station E53999 entity
Predicate originalCompany P5599 FINISHED
Object London and Greenwich Railway E272515 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: London and Greenwich Railway | Statement: [Greenwich railway station, originalCompany, London and Greenwich Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: London and Greenwich Railway
Context triple: [Greenwich railway station, originalCompany, London and Greenwich Railway]
  • A. London and Greenwich Railway chosen
    The London and Greenwich Railway was one of the earliest passenger railways in London and the first in the capital to be built on a viaduct, forming a key part of the city's early rail infrastructure.
  • B. Charing Cross, Euston and Hampstead Railway
    The Charing Cross, Euston and Hampstead Railway was an early deep-level “tube” railway in London that later became a core part of the London Underground’s Northern line.
  • C. North London Railway
    The North London Railway was a British railway company that operated suburban and freight services across north London during the 19th and early 20th centuries.
  • D. Liverpool–London railway line
    The Liverpool–London railway line is a major intercity rail route in England connecting the city of Liverpool with the capital, London.
  • E. Epsom Downs line
    The Epsom Downs line is a suburban railway route in South London and Surrey that connects Sutton to Epsom Downs, serving several commuter towns along the way.
  • 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_69ab49dcee188190b5c6eca9ae9e3469 completed March 6, 2026, 9:40 p.m.
NER Named-entity recognition batch_69abde1409148190a06a401185a26b64 completed March 7, 2026, 8:13 a.m.
NED1 Entity disambiguation (via context triple) batch_69afe8a5c364819092b01e90ee40e155 completed March 10, 2026, 9:47 a.m.
Created at: March 6, 2026, 9:59 p.m.