Triple

T14546074
Position Surface form Disambiguated ID Type / Status
Subject T1 North Shore & Western Line E341293 entity
Predicate hasRollingStock P1305 FINISHED
Object Sydney Trains T set (Tangara)
The Sydney Trains T set, commonly known as the Tangara, is a class of double-deck electric multiple unit trains that have operated extensively across the Sydney suburban rail network since the late 1980s.
E1105748 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: Sydney Trains T set (Tangara) | Statement: [T1 North Shore & Western Line, hasRollingStock, Sydney Trains T set (Tangara)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Sydney Trains T set (Tangara)
Context triple: [T1 North Shore & Western Line, hasRollingStock, Sydney Trains T set (Tangara)]
  • A. Sydney Trains B set (Waratah Series 2) trains
    The Sydney Trains B set (Waratah Series 2) trains are modern, air-conditioned suburban electric multiple units operating across the Sydney Trains network, featuring improved passenger comfort, accessibility, and safety systems.
  • B. Sydney Trains H set (OSCAR) trains
    Sydney Trains H set (OSCAR) trains are a fleet of air-conditioned, double-deck electric multiple units used for suburban and intercity passenger services across the Sydney Trains network.
  • C. NSW TrainLink XPT
    The NSW TrainLink XPT is a long-distance passenger train service in New South Wales, Australia, modeled on the British InterCity 125 and operating key regional and interstate routes.
  • D. NSW TrainLink Xplorer
    The NSW TrainLink Xplorer is a diesel multiple unit passenger train operated by NSW TrainLink that provides regional rail services across New South Wales, Australia.
  • E. Sydney Trains M set (Millennium) trains
    Sydney Trains M set (Millennium) trains are a class of modern, air-conditioned electric multiple unit passenger trains operating on the Sydney Trains suburban network in New South Wales, Australia.
  • 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: Sydney Trains T set (Tangara)
Triple: [T1 North Shore & Western Line, hasRollingStock, Sydney Trains T set (Tangara)]
Generated description
The Sydney Trains T set, commonly known as the Tangara, is a class of double-deck electric multiple unit trains that have operated extensively across the Sydney suburban rail network since the late 1980s.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Sydney Trains T set (Tangara)
Target entity description: The Sydney Trains T set, commonly known as the Tangara, is a class of double-deck electric multiple unit trains that have operated extensively across the Sydney suburban rail network since the late 1980s.
  • A. Sydney Trains B set (Waratah Series 2) trains
    The Sydney Trains B set (Waratah Series 2) trains are modern, air-conditioned suburban electric multiple units operating across the Sydney Trains network, featuring improved passenger comfort, accessibility, and safety systems.
  • B. Sydney Trains H set (OSCAR) trains
    Sydney Trains H set (OSCAR) trains are a fleet of air-conditioned, double-deck electric multiple units used for suburban and intercity passenger services across the Sydney Trains network.
  • C. NSW TrainLink XPT
    The NSW TrainLink XPT is a long-distance passenger train service in New South Wales, Australia, modeled on the British InterCity 125 and operating key regional and interstate routes.
  • D. NSW TrainLink Xplorer
    The NSW TrainLink Xplorer is a diesel multiple unit passenger train operated by NSW TrainLink that provides regional rail services across New South Wales, Australia.
  • E. Sydney Trains M set (Millennium) trains
    Sydney Trains M set (Millennium) trains are a class of modern, air-conditioned electric multiple unit passenger trains operating on the Sydney Trains suburban network in New South Wales, Australia.
  • 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_69d822db9c8481908213ceb39585f792 completed April 9, 2026, 10:06 p.m.
NER Named-entity recognition batch_69deb2ebdf9481909f4d2da1ad31099c completed April 14, 2026, 9:34 p.m.
NED1 Entity disambiguation (via context triple) batch_69fd8ab5d50881908f53f8b7539c6fde completed May 8, 2026, 7:03 a.m.
NEDg Description generation batch_69fd8bf77e08819080d7df36e4897b61 completed May 8, 2026, 7:08 a.m.
NED2 Entity disambiguation (via description) batch_69fd8c8859b08190857db55e36f2a11a completed May 8, 2026, 7:11 a.m.
Created at: April 10, 2026, 1:22 a.m.