Triple

T20059707
Position Surface form Disambiguated ID Type / Status
Subject Metlink E499434 entity
Predicate operates P24 FINISHED
Object Wellington suburban rail network (through contracted operators) — 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: Wellington suburban rail network (through contracted operators) | Statement: [Metlink, operates, Wellington suburban rail network (through contracted operators)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Wellington suburban rail network (through contracted operators)
Context triple: [Metlink, operates, Wellington suburban rail network (through contracted operators)]
  • A. Perth suburban rail network
    The Perth suburban rail network is the metropolitan passenger railway system serving Perth, Western Australia, comprising multiple electrified lines that connect the city center with its surrounding suburbs.
  • B. Randstad regional rail network
    The Randstad regional rail network is a Dutch commuter and regional rail system serving the densely populated Randstad metropolitan area, connecting major cities such as Amsterdam, Rotterdam, The Hague, and Utrecht with surrounding towns.
  • C. Bristol suburban rail network
    The Bristol suburban rail network is a local passenger rail system serving Bristol and its surrounding areas, providing frequent commuter and regional services on routes such as the Severn Beach Line.
  • D. Auckland rail network
    The Auckland rail network is the metropolitan passenger and freight railway system serving Auckland, New Zealand, connecting the city and its suburbs via multiple electrified lines and stations.
  • E. Great Northern suburban network
    The Great Northern suburban network is a commuter rail system serving suburban areas north of London, operated as part of the Great Northern franchise.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Wellington suburban rail network (through contracted operators)
Target entity description: The Wellington suburban rail network is a commuter rail system serving the greater Wellington region in New Zealand, providing regular passenger services between the central city and its surrounding suburbs and towns.
  • A. Perth suburban rail network
    The Perth suburban rail network is the metropolitan passenger railway system serving Perth, Western Australia, comprising multiple electrified lines that connect the city center with its surrounding suburbs.
  • B. Randstad regional rail network
    The Randstad regional rail network is a Dutch commuter and regional rail system serving the densely populated Randstad metropolitan area, connecting major cities such as Amsterdam, Rotterdam, The Hague, and Utrecht with surrounding towns.
  • C. Bristol suburban rail network
    The Bristol suburban rail network is a local passenger rail system serving Bristol and its surrounding areas, providing frequent commuter and regional services on routes such as the Severn Beach Line.
  • D. Auckland rail network
    The Auckland rail network is the metropolitan passenger and freight railway system serving Auckland, New Zealand, connecting the city and its suburbs via multiple electrified lines and stations.
  • E. Great Northern suburban network
    The Great Northern suburban network is a commuter rail system serving suburban areas north of London, operated as part of the Great Northern franchise.
  • F. None of above. chosen

Provenance (2 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_69da6276bcf48190aabbf279192a5fb4 completed April 11, 2026, 3:02 p.m.
NER Named-entity recognition batch_69e66374f4a48190beb575a6c84ebdb4 completed April 20, 2026, 5:33 p.m.
Created at: April 11, 2026, 3:38 p.m.