Triple

T5548337
Position Surface form Disambiguated ID Type / Status
Subject Greymouth E145463 entity
Predicate railwayLine P848 FINISHED
Object Midland Line
The Midland Line is a scenic New Zealand railway route across the South Island, best known today for carrying the TranzAlpine passenger service between Christchurch and Greymouth through the Southern Alps.
E532668 NE FINISHED

How this triple was built (4 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: Midland Line | Statement: [Greymouth, railwayLine, Midland Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Midland Line
Context triple: [Greymouth, railwayLine, Midland Line]
  • A. Midland Main Line
    The Midland Main Line is a major inter-city railway route in England connecting London with key cities in the East Midlands and South Yorkshire.
  • B. Shotts Line
    The Shotts Line is a railway route in Scotland that connects Glasgow and Edinburgh via Shotts, serving towns and communities across North Lanarkshire and West Lothian.
  • C. South Eastern Main Line
    The South Eastern Main Line is a major railway route in southeast England connecting London with key towns in Kent and the surrounding region.
  • D. Highland Main Line
    The Highland Main Line is a scenic railway route in Scotland that connects the Central Belt to the Highlands, passing through notable destinations such as Perth, Aviemore, and Inverness.
  • E. Newcastle Line
    The Newcastle Line is a suburban and intercity railway corridor in New South Wales, Australia, serving the city of Newcastle and connecting it with surrounding regions.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Midland Line
Triple: [Greymouth, railwayLine, Midland Line]
Generated description
The Midland Line is a scenic New Zealand railway route across the South Island, best known today for carrying the TranzAlpine passenger service between Christchurch and Greymouth through the Southern Alps.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Midland Line
Target entity description: The Midland Line is a scenic New Zealand railway route across the South Island, best known today for carrying the TranzAlpine passenger service between Christchurch and Greymouth through the Southern Alps.
  • A. Midland Main Line
    The Midland Main Line is a major inter-city railway route in England connecting London with key cities in the East Midlands and South Yorkshire.
  • B. Shotts Line
    The Shotts Line is a railway route in Scotland that connects Glasgow and Edinburgh via Shotts, serving towns and communities across North Lanarkshire and West Lothian.
  • C. South Eastern Main Line
    The South Eastern Main Line is a major railway route in southeast England connecting London with key towns in Kent and the surrounding region.
  • D. Highland Main Line
    The Highland Main Line is a scenic railway route in Scotland that connects the Central Belt to the Highlands, passing through notable destinations such as Perth, Aviemore, and Inverness.
  • E. Newcastle Line
    The Newcastle Line is a suburban and intercity railway corridor in New South Wales, Australia, serving the city of Newcastle and connecting it with surrounding regions.
  • F. None of above. chosen

Provenance (5 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_69c008fb879c81909f5bfa56fadc1d46 completed March 22, 2026, 3:21 p.m.
NER Named-entity recognition batch_69c01fe0244c8190aeb995f79f22a039 completed March 22, 2026, 4:59 p.m.
NED1 Entity disambiguation (via context triple) batch_69c0282dd7408190ad762fca9ff5e04b completed March 22, 2026, 5:34 p.m.
NEDg Description generation batch_69c0400d14cc8190a9962cb43fe17d83 completed March 22, 2026, 7:16 p.m.
NED2 Entity disambiguation (via description) batch_69c0407964d08190b5552b410c9ba915 completed March 22, 2026, 7:18 p.m.
Created at: March 22, 2026, 3:35 p.m.