Triple

T6520915
Position Surface form Disambiguated ID Type / Status
Subject Holloway Road Underground station E151177 entity
Predicate hasOriginalRailwayCompany P5620 FINISHED
Object Great Northern, Piccadilly and Brompton Railway E309946 NE FINISHED

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: Great Northern, Piccadilly and Brompton Railway | Statement: [Holloway Road Underground station, hasOriginalRailwayCompany, Great Northern, Piccadilly and Brompton Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Great Northern, Piccadilly and Brompton Railway
Context triple: [Holloway Road Underground station, hasOriginalRailwayCompany, Great Northern, Piccadilly and Brompton Railway]
  • A. Great Northern, Piccadilly and Brompton Railway chosen
    The Great Northern, Piccadilly and Brompton Railway was an early 20th-century deep-level London Underground railway company that formed the core of what is now the Piccadilly line.
  • 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. Metropolitan District Railway
    The Metropolitan District Railway was a historic London railway company that developed much of what is now the District line of the London Underground in the late 19th and early 20th centuries.
  • D. Metropolitan Railway
    The Metropolitan Railway was the pioneering underground railway in London and the world’s first urban underground passenger railway, forming the core of what became the London Underground.
  • E. Central London Railway
    Central London Railway was an early deep-level underground railway in London that later became the core of the London Underground's Central line.
  • 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: hasOriginalRailwayCompany
Context triple: [Holloway Road Underground station, hasOriginalRailwayCompany, Great Northern, Piccadilly and Brompton Railway]
  • A. laterRailwayCompany
    Indicates that one railway company is the successor or later incarnation of another railway company.
  • B. operatedOnRailroad
    Indicates that an entity conducted operations or provided services on a railroad system.
  • C. railwayCompany chosen
    Indicates that one entity is a railway company that owns, operates, or manages railway services or infrastructure in relation to another entity.
  • D. originalRailroadName
    Indicates the name of the railroad as it was originally known or designated, before any later changes such as mergers, rebrandings, or renamings.
  • E. hasRollingStockOrigin
    Indicates that a piece of rolling stock originates from, or was initially based in, a particular location or source.
  • F. None of above.

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_69c687f522748190b3058405553cdabd completed March 27, 2026, 1:36 p.m.
NER Named-entity recognition batch_69c6ad9431f081909b14b3df3414a55f completed March 27, 2026, 4:17 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6e41434108190b6c329544764dd2c completed March 27, 2026, 8:09 p.m.
PD Predicate disambiguation batch_69c68abbc7148190a8270d47fe10cc31 completed March 27, 2026, 1:48 p.m.
Created at: March 27, 2026, 1:45 p.m.