Triple

T19041372
Position Surface form Disambiguated ID Type / Status
Subject Dorchester West E466010 entity
Predicate currentTrainOperator P121930 FINISHED
Object Great Western Railway 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: Great Western Railway | Statement: [Dorchester West, currentTrainOperator, Great Western Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Great Western Railway
Context triple: [Dorchester West, currentTrainOperator, Great Western Railway]
  • A. Great Western Railway chosen
    Great Western Railway is a major British train operating company providing intercity and regional rail services across western and southern England and South Wales.
  • B. Great Western Railway
    Great Western Railway was a historic Canadian railway company that played a key role in 19th-century transportation and trade across southern Ontario and into the United States.
  • C. London and South Western Railway
    The London and South Western Railway was a major 19th- and early 20th-century British railway company that operated an extensive network in southwest London, Surrey, Hampshire, and the West Country, including key routes to the south coast and the port of Southampton.
  • D. Great Eastern Railway
    Great Eastern Railway was a major pre-grouping British railway company that operated an extensive network across East Anglia and into London from the mid-19th to early 20th century.
  • E. London and North Western Railway
    London and North Western Railway was a major 19th- and early 20th-century British railway company that operated extensive routes across England and Wales before becoming part of the London, Midland and Scottish Railway in 1923.
  • 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: currentTrainOperator
Context triple: [Dorchester West, currentTrainOperator, Great Western Railway]
  • A. hasRailTransportOperator chosen
    Indicates that a rail transport system, service, or infrastructure is operated or managed by a specified rail transport operator.
  • B. formerRailOperator
    Indicates that an entity previously operated a rail service or railway system but no longer does so.
  • C. trainOperator
    Indicates that one entity operates, manages, or runs train services for another entity or within a specific rail system.
  • D. railwayCompany
    Indicates that one entity is a railway company that owns, operates, or manages railway services or infrastructure in relation to another entity.
  • E. laterRailwayCompany
    Indicates that one railway company is the successor or later incarnation of another railway company.
  • 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_69d8dd0359648190bc2a9202c5cf29d2 completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5d80118248190af6b4c74df5085ad completed April 20, 2026, 7:38 a.m.
PD Predicate disambiguation batch_69e4a3001e388190aa6057266514e75a completed April 19, 2026, 9:40 a.m.
Created at: April 10, 2026, 12:02 p.m.