Triple

T21586715
Position Surface form Disambiguated ID Type / Status
Subject Midland Line E532668 entity
Predicate hasStation P35 FINISHED
Object Greymouth railway station — 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: Greymouth railway station | Statement: [Midland Line, hasStation, Greymouth railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Greymouth railway station
Context triple: [Midland Line, hasStation, Greymouth railway station]
  • A. Invercargill railway station
    Invercargill railway station is a historic rail terminus in Invercargill, New Zealand, serving as a key southern hub in the country’s railway network.
  • B. Pukerua Bay railway station
    Pukerua Bay railway station is a suburban train stop on New Zealand’s North Island Main Trunk line serving the coastal community of Pukerua Bay, north of Wellington.
  • C. Porirua railway station
    Porirua railway station is a key suburban rail stop on New Zealand’s North Island Main Trunk line, serving the city of Porirua near Wellington with commuter and regional train services.
  • D. Ōtāhuhu railway station
    Ōtāhuhu railway station is a major suburban rail hub in South Auckland, New Zealand, serving as an important interchange on Auckland's commuter rail network.
  • E. Gisborne railway station
    Gisborne railway station is the main rail terminus serving the city of Gisborne on the east coast of New Zealand’s North Island.
  • 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: Greymouth railway station
Target entity description: Greymouth railway station is a key terminus on New Zealand’s South Island, serving the town of Greymouth and acting as the western endpoint for the TranzAlpine scenic rail service.
  • A. Invercargill railway station
    Invercargill railway station is a historic rail terminus in Invercargill, New Zealand, serving as a key southern hub in the country’s railway network.
  • B. Pukerua Bay railway station
    Pukerua Bay railway station is a suburban train stop on New Zealand’s North Island Main Trunk line serving the coastal community of Pukerua Bay, north of Wellington.
  • C. Porirua railway station
    Porirua railway station is a key suburban rail stop on New Zealand’s North Island Main Trunk line, serving the city of Porirua near Wellington with commuter and regional train services.
  • D. Ōtāhuhu railway station
    Ōtāhuhu railway station is a major suburban rail hub in South Auckland, New Zealand, serving as an important interchange on Auckland's commuter rail network.
  • E. Gisborne railway station
    Gisborne railway station is the main rail terminus serving the city of Gisborne on the east coast of New Zealand’s North Island.
  • 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_69e0c46251648190876f0427cf2d321b completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69eeeb6137fc8190840b7c1275e62a1d completed April 27, 2026, 4:51 a.m.
Created at: April 16, 2026, 6:31 p.m.