Triple

T6159414
Position Surface form Disambiguated ID Type / Status
Subject Arriva Trains Northern E137402 entity
Predicate operatedInfrastructureOwner P26836 FINISHED
Object Railtrack E43444 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: Railtrack | Statement: [Arriva Trains Northern, operatedInfrastructureOwner, Railtrack]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Railtrack
Context triple: [Arriva Trains Northern, operatedInfrastructureOwner, Railtrack]
  • A. Railtrack chosen
    Railtrack was the former private owner and operator of most of Britain’s railway infrastructure, which was later replaced by the publicly owned Network Rail after financial and safety controversies.
  • B. British Rail
    British Rail was the state-owned company that operated most of the railway services in Great Britain from the late 1940s until the privatization of the rail network in the 1990s.
  • C. The Railway
    The Railway is an 1873 oil painting by Édouard Manet depicting a woman and a young girl by a Paris train station, notable for its modern urban subject and unconventional composition.
  • D. Rail Regulator
    The Rail Regulator was the former independent statutory body in Great Britain responsible for overseeing and enforcing the economic and safety regulation of the railway industry before its functions were transferred to successor regulators.
  • E. Anhalt Railway
    The Anhalt Railway is a major German railway line historically connecting Berlin with the Anhalt region and further south, serving both regional and long-distance traffic.
  • 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: operatedInfrastructureOwner
Context triple: [Arriva Trains Northern, operatedInfrastructureOwner, Railtrack]
  • A. hasInfrastructureOwner chosen
    Indicates that one entity owns or is responsible for the infrastructure associated with another entity.
  • B. ownerOfInfrastructureUsed
    Indicates that one entity owns the infrastructure that is being used by another entity or activity.
  • C. ownedInfrastructureClass
    Indicates that an entity possesses or controls infrastructure belonging to a specified class or category.
  • D. operatingAuthority
    Indicates that an entity has the official power, permission, or jurisdiction to operate, manage, or control another entity or activity.
  • E. isPartOfInfrastructure
    Indicates that something belongs to, is included within, or functions as a component of a larger infrastructure system.
  • 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_69c008a54fc88190b6ce4416490ca79d completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c05d3445dc8190822954cee90f0dd7 completed March 22, 2026, 9:20 p.m.
NED1 Entity disambiguation (via context triple) batch_69c1419064a48190880005459c86322c completed March 23, 2026, 1:35 p.m.
PD Predicate disambiguation batch_69c055f5b81481908819515cdc334ae6 completed March 22, 2026, 8:49 p.m.
Created at: March 22, 2026, 4:17 p.m.