Triple

T13286467
Position Surface form Disambiguated ID Type / Status
Subject Barons Court station E316456 entity
Predicate hasLaterServingCompany P90369 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: [Barons Court station, hasLaterServingCompany, 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: [Barons Court station, hasLaterServingCompany, 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: hasLaterServingCompany
Context triple: [Barons Court station, hasLaterServingCompany, Great Northern, Piccadilly and Brompton Railway]
  • A. laterServedBy chosen
    Indicates that one entity is subsequently served or provided service by another entity at a later time.
  • B. laterServedIn
    Indicates that one entity subsequently held a service position or role in which another entity had previously served.
  • C. succeededByCompanyName
    Indicates that one company is followed or replaced by another company as its successor.
  • D. servedUntil
    Indicates the ending time or date up to which an entity held a position, role, or service.
  • E. servesCompany
    Indicates that one entity provides services or performs duties in support of a company.
  • 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_69d806b349908190a9a61dd9323bf153 completed April 9, 2026, 8:06 p.m.
NER Named-entity recognition batch_69d99cfdc9388190af1fdd3cd4717bd8 completed April 11, 2026, 12:59 a.m.
NED1 Entity disambiguation (via context triple) batch_69f7546e0b148190a78e6da408347690 completed May 3, 2026, 1:58 p.m.
PD Predicate disambiguation batch_69d98f6535688190a5a4549b7be2d611 completed April 11, 2026, 12:01 a.m.
Created at: April 9, 2026, 9:27 p.m.