Triple

T4671448
Position Surface form Disambiguated ID Type / Status
Subject Southern Railway (UK) E102970 entity
Predicate nationalised into P6034 FINISHED
Object British Railways E15757 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: British Railways | Statement: [Southern Railway (UK), nationalised into, British Railways]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: British Railways
Context triple: [Southern Railway (UK), nationalised into, British Railways]
  • A. British Rail chosen
    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.
  • B. London, Midland and Scottish Railway
    The London, Midland and Scottish Railway was a major British railway company formed in 1923 that operated an extensive network across England, Scotland, and Wales until nationalisation in 1948.
  • C. Southern Railway (UK)
    Southern Railway (UK) was a major British railway company formed in 1923 that operated routes in southern England, including busy commuter and coastal lines, until nationalisation in 1948.
  • D. British Rail Engineering Limited
    British Rail Engineering Limited was the former engineering subsidiary of British Rail, responsible for designing, building, and maintaining much of the UK’s rolling stock and railway equipment.
  • E. British Transport Commission
    The British Transport Commission was a UK government body established after World War II to oversee and manage the nationalised railways, road transport, and inland waterways across Britain.
  • 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: nationalised into
Context triple: [Southern Railway (UK), nationalised into, British Railways]
  • A. nationalised chosen
    Indicates that control or ownership of an entity has been transferred from private or non-state hands to the government or state.
  • B. nationalisedOn
    Indicates the date or point in time when an entity was taken into state ownership or control by a national government.
  • C. nationalisationYear
    Indicates the year in which an entity was taken into state ownership or control through nationalisation.
  • D. typeOfNationalisation
    Indicates the specific form or method by which an asset, industry, or entity is brought under national or state ownership or control.
  • E. postnationalisationOperator
    Indicates that an entity operates or manages something (such as a service or asset) after it has undergone nationalisation.
  • 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_69bd43d9cba4819086c1ab1c2d9d2133 completed March 20, 2026, 12:55 p.m.
NER Named-entity recognition batch_69bd655aceb081908100ffc0498fe183 completed March 20, 2026, 3:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69be039538048190b4075daf47355cee completed March 21, 2026, 2:33 a.m.
PD Predicate disambiguation batch_69bd6215864c8190b50ba0f63ba87d0c completed March 20, 2026, 3:04 p.m.
Created at: March 20, 2026, 1:15 p.m.