Triple

T21371596
Position Surface form Disambiguated ID Type / Status
Subject Trafalgar Square station E527076 entity
Predicate transportAuthorityAtClosure P144013 FINISHED
Object London Transport 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 Transport | Statement: [Trafalgar Square station, transportAuthorityAtClosure, London Transport]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: London Transport
Context triple: [Trafalgar Square station, transportAuthorityAtClosure, London Transport]
  • A. London Underground
    The London Underground is a rapid transit system serving Greater London and surrounding areas, famous as one of the world's oldest and most extensive metro networks.
  • B. London Transport Board chosen
    The London Transport Board was the public body responsible for operating and overseeing most of the public transport system in Greater London from the early 1960s until the creation of the Greater London Council’s transport authority.
  • C. London Passenger Transport Board
    The London Passenger Transport Board was the public body that managed and coordinated most of the capital’s bus, tram, trolleybus, and underground rail services in London from the 1930s until the late 1940s.
  • D. Transport for London
    Transport for London is the local government body responsible for managing and overseeing the public transport network and major roads in Greater London.
  • E. London Underground and Elizabeth line
    The London Underground and Elizabeth line are major rail networks in London, with the former being the city’s historic metro system and the latter a modern high-capacity cross-city railway.
  • 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: transportAuthorityAtClosure
Context triple: [Trafalgar Square station, transportAuthorityAtClosure, London Transport]
  • A. transportAuthorityType
    Indicates the specific kind or category of authority responsible for overseeing or regulating transportation.
  • B. formerTransportAuthority
    Indicates that an entity previously served as a transport authority for another entity but no longer holds that role.
  • C. closureOfMostInnerCityTrams
    Indicates that the most centrally located inner-city tram lines or services have been shut down or discontinued.
  • D. roadTransportAuthority
    Indicates that an entity serves as the official authority responsible for regulating, managing, or overseeing road transportation for another entity or area.
  • E. closedForPassengers
    Indicates that a transportation facility or vehicle is not available for use by passengers.
  • 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_69e0b51e80808190ba5cb05667af02a9 completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e8b0af44d88190aedd3b2127bb297d completed April 22, 2026, 11:27 a.m.
PD Predicate disambiguation batch_69e6162bbfc88190a3e75859941b2638 completed April 20, 2026, 12:03 p.m.
PDg Predicate description generation batch_69e61b3e47f881908fb2aac9bd2bfb58 completed April 20, 2026, 12:25 p.m.
Created at: April 16, 2026, 5:10 p.m.