Triple

T18930433
Position Surface form Disambiguated ID Type / Status
Subject Tram Train Route E463092 entity
Predicate ownerOfInfrastructureSegment P90527 FINISHED
Object Network Rail (mainline section) 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: Network Rail (mainline section) | Statement: [Tram Train Route, ownerOfInfrastructureSegment, Network Rail (mainline section)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Network Rail (mainline section)
Context triple: [Tram Train Route, ownerOfInfrastructureSegment, Network Rail (mainline section)]
  • A. Network Rail chosen
    Network Rail is the owner and infrastructure manager of most of the railway network in Great Britain, responsible for tracks, signals, major stations, and related assets.
  • B. Country Rail Infrastructure Authority
    The Country Rail Infrastructure Authority was a New South Wales government agency responsible for managing and maintaining regional rail infrastructure prior to its functions being absorbed into Transport for NSW.
  • C. Northern Rail
    Northern Rail is a British train operating company providing regional and commuter rail services across Northern England.
  • D. Manchester rail network
    The Manchester rail network is the interconnected system of railway lines, stations, and services that serves the city of Manchester and its surrounding region as a major transport hub in northern England.
  • E. National Rail
    National Rail is the collective name for the passenger rail services and network in Great Britain, encompassing most regional and intercity train operations outside of urban metro systems.
  • 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: ownerOfInfrastructureSegment
Context triple: [Tram Train Route, ownerOfInfrastructureSegment, Network Rail (mainline section)]
  • A. ownerOfInfrastructureUsed
    Indicates that one entity owns the infrastructure that is being used by another entity or activity.
  • B. hasInfrastructureOwner
    Indicates that one entity owns or is responsible for the infrastructure associated with another entity.
  • C. hasInfrastructureOwnerType
    Indicates the type or category of entity that owns or is responsible for a given piece of infrastructure.
  • D. ownedInfrastructureClass
    Indicates that an entity possesses or controls infrastructure belonging to a specified class or category.
  • E. ownerOfRouteSegments chosen
    Indicates that an entity holds ownership or control over specific route segments within a network or pathway.
  • 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_69d8dcfdbbb881909964fa5a75bd0b48 completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5c9bfaee881908d701c5a05528939 completed April 20, 2026, 6:37 a.m.
PD Predicate disambiguation batch_69e4a2efec5c8190840704016bf547a1 completed April 19, 2026, 9:40 a.m.
Created at: April 10, 2026, 11:59 a.m.