Triple

T2634345
Position Surface form Disambiguated ID Type / Status
Subject Jubilee line extension E59708 entity
Predicate includesStation P33789 FINISHED
Object Waterloo Underground station E134209 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: Waterloo Underground station | Statement: [Jubilee line extension, includesStation, Waterloo Underground station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Waterloo Underground station
Context triple: [Jubilee line extension, includesStation, Waterloo Underground station]
  • A. Waterloo Underground station chosen
    Waterloo Underground station is a major London Underground interchange in central London, serving multiple lines and providing access to the adjacent Waterloo mainline railway station.
  • B. St Paul’s Underground station
    St Paul’s Underground station is a London Underground station in the City of London serving the Central line near St Paul’s Cathedral.
  • C. Embankment station
    Embankment station is a central London Underground and National Rail station located on the north bank of the River Thames, serving as a key interchange for multiple Tube lines near major landmarks such as Trafalgar Square.
  • D. Keele subway station
    Keele subway station is a Toronto Transit Commission subway station on Line 2 Bloor–Danforth serving the Junction and High Park areas of Toronto, Canada.
  • E. Queensway Underground station
    Queensway Underground station is a Central line Tube station in Bayswater, London, serving the nearby Kensington Gardens and Queensway shopping 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_69ab4ac8596c8190b34997e73d9e991c completed March 6, 2026, 9:44 p.m.
NER Named-entity recognition batch_69abdd1ca0248190aa15f80b2798524e completed March 7, 2026, 8:09 a.m.
NED1 Entity disambiguation (via context triple) batch_69af98bb55f08190bb072c9b106aa748 completed March 10, 2026, 4:06 a.m.
Created at: March 6, 2026, 9:50 p.m.