Triple

T20315972
Position Surface form Disambiguated ID Type / Status
Subject Stagecoach London E510380 entity
Predicate operatesUnderContractTo P72492 FINISHED
Object Transport for London 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: Transport for London | Statement: [Stagecoach London, operatesUnderContractTo, Transport for London]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Transport for London
Context triple: [Stagecoach London, operatesUnderContractTo, Transport for London]
  • A. Transport for London chosen
    Transport for London is the local government body responsible for managing and overseeing the public transport network and major roads in Greater London.
  • B. 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.
  • C. London Transport Board
    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.
  • D. London Underground Limited
    London Underground Limited is the company responsible for operating and managing the London Underground metro network.
  • E. 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.
  • 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: operatesUnderContractTo
Context triple: [Stagecoach London, operatesUnderContractTo, Transport for London]
  • A. operatesBy
    Indicates that an entity performs its function, action, or process through the use or application of another entity (e.g., a method, mechanism, or principle).
  • B. operatesUnderControlOf chosen
    Indicates that one entity functions or carries out its activities subject to the authority, direction, or governance of another entity.
  • C. operatesUnderName
    Indicates that an entity conducts its activities or business using a particular name, which may differ from its official or legal name.
  • D. oftenOperatedBy
    Indicates that an entity is frequently or typically operated, controlled, or run by another entity.
  • E. managedUnderContractWith
    Indicates that one entity is responsible for managing another entity or service based on the terms of a formal contract with a specified party.
  • F. None of above.

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_69e0b4c7491c8190961113c4283b10b0 completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e67787af188190bc32a3049c9c5b39 completed April 20, 2026, 6:59 p.m.
PD Predicate disambiguation batch_69e55b21b09081909e46691b6f45a07f completed April 19, 2026, 10:45 p.m.
Created at: April 16, 2026, 11:19 a.m.