Triple

T18011785
Position Surface form Disambiguated ID Type / Status
Subject Great Eastern Main Line at Shenfield E430901 entity
Predicate usedByTrainOperator P121930 FINISHED
Object Greater Anglia 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: Greater Anglia | Statement: [Great Eastern Main Line at Shenfield, usedByTrainOperator, Greater Anglia]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Greater Anglia
Context triple: [Great Eastern Main Line at Shenfield, usedByTrainOperator, Greater Anglia]
  • A. Greater Anglia chosen
    Greater Anglia is a British train operating company that provides passenger rail services across East Anglia and parts of London and the East of England.
  • B. Thames Trains
    Thames Trains was a former British train operating company that provided regional and commuter rail services in the Thames Valley area of England in the late 1990s and early 2000s.
  • C. Thameslink
    Thameslink is a major British rail network providing cross-London services that connect destinations across the South East of England.
  • D. Virgin Trains
    Virgin Trains was a British train operating company under Richard Branson’s Virgin Group brand that ran long-distance passenger rail services in the UK.
  • E. Govia Thameslink Railway
    Govia Thameslink Railway is a major UK train operating company that runs the Thameslink, Southern, Great Northern, and Gatwick Express services across London and surrounding regions.
  • 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: usedByTrainOperator
Context triple: [Great Eastern Main Line at Shenfield, usedByTrainOperator, Greater Anglia]
  • A. usedByOperator
    Indicates that something is utilized or operated by a particular operator or operating entity.
  • B. hasRailTransportOperator chosen
    Indicates that a rail transport system, service, or infrastructure is operated or managed by a specified rail transport operator.
  • C. hasLocalRailOperator
    Indicates that a specified rail operator is responsible for providing local or regional rail services within a particular area or network.
  • D. usedBetweenStations
    Indicates that something (such as a service, route, or resource) is utilized in the context of travel or operation between two stations.
  • E. trainOperator
    Indicates that one entity operates, manages, or runs train services for another entity or within a specific rail system.
  • 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_69d8b904530081908bf341d842464856 completed April 10, 2026, 8:47 a.m.
NER Named-entity recognition batch_69e4b51fc108819089e6c130a89811bc completed April 19, 2026, 10:57 a.m.
PD Predicate disambiguation batch_69e3f90039e4819080527f860dca042e completed April 18, 2026, 9:34 p.m.
Created at: April 10, 2026, 10:24 a.m.