Triple

T22236301
Position Surface form Disambiguated ID Type / Status
Subject Birmingham New Street – London Euston E549601 entity
Predicate interchangeAtLondon P146848 FINISHED
Object London Underground at Euston NE NERFINISHED

How this triple was built (3 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 Underground at Euston | Statement: [Birmingham New Street – London Euston, interchangeAtLondon, London Underground at Euston]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: London Underground at Euston
Context triple: [Birmingham New Street – London Euston, interchangeAtLondon, London Underground at Euston]
  • A. London Underground at Waterloo
    London Underground at Waterloo is a major central London Tube station complex serving multiple Underground lines and providing key interchanges with mainline rail services at Waterloo.
  • B. London Underground at Bank
    London Underground at Bank is a major central London interchange station complex serving multiple Tube lines and providing extensive connections to the City of London’s financial district.
  • C. Euston Underground station chosen
    Euston Underground station is a major London Underground interchange serving the Euston mainline railway station on the Northern and Victoria lines.
  • D. London Underground at London Marylebone
    London Underground at London Marylebone is the Bakerloo line station integrated with Marylebone mainline railway station, providing rapid transit connections within London.
  • E. King’s Cross St Pancras Underground station
    King’s Cross St Pancras Underground station is a major London Tube interchange serving multiple lines beneath the King’s Cross and St Pancras mainline railway terminals.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: interchangeAtLondon
Context triple: [Birmingham New Street – London Euston, interchangeAtLondon, London Underground at Euston]
  • A. secondaryLondonTerminal
    Indicates that a location serves as a secondary terminal in London associated with a primary London terminal for a given service or route.
  • B. primaryLondonTerminal
    Indicates that a given station serves as the main London terminal for a particular rail service or route.
  • C. returnedToCityOfLondon
    Indicates that an entity went back to, or came again to, the City of London after having been away.
  • D. servesCentralLondon
    Indicates that something provides service or access specifically to the Central London area.
  • E. translatedToSeeOfLondon
    Indicates that something has been translated into the work titled "The See of London."
  • F. None of above. chosen

Provenance (4 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_69e11e4102b881909cf47d3768e25c19 completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f12bf7b1d8819091087dcfdb2e967c completed April 28, 2026, 9:51 p.m.
PD Predicate disambiguation batch_69e71b5177d881908f90abde14ada7dc completed April 21, 2026, 6:38 a.m.
PDg Predicate description generation batch_69e7222e74248190a2d3671049f117f2 completed April 21, 2026, 7:07 a.m.
Created at: April 16, 2026, 8:38 p.m.