Triple

T14546166
Position Surface form Disambiguated ID Type / Status
Subject T9 Northern Line E341296 entity
Predicate usesRollingStock P5426 FINISHED
Object Sydney Trains electric multiple units
Sydney Trains electric multiple units are the suburban passenger train sets that operate across the electrified rail network in Sydney, Australia.
E1111433 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 electric multiple units | Statement: [T9 Northern Line, usesRollingStock, Sydney Trains electric multiple units]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Sydney Trains electric multiple units
Context triple: [T9 Northern Line, usesRollingStock, Sydney Trains electric multiple units]
  • 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 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.
  • C. 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.
  • D. Sydney Trains
    Sydney Trains is a government-owned suburban rail network operator serving the greater Sydney metropolitan area in New South Wales, Australia.
  • E. 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.
  • 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 electric multiple units
Triple: [T9 Northern Line, usesRollingStock, Sydney Trains electric multiple units]
Generated description
Sydney Trains electric multiple units are the suburban passenger train sets that operate across the electrified rail network in Sydney, Australia.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Sydney Trains electric multiple units
Target entity description: Sydney Trains electric multiple units are the suburban passenger train sets that operate across the electrified rail network in Sydney, Australia.
  • 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 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.
  • C. 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.
  • D. Sydney Trains
    Sydney Trains is a government-owned suburban rail network operator serving the greater Sydney metropolitan area in New South Wales, Australia.
  • E. 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.
  • 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_69fdd5c3d1d881909ed7e75aae7b08d9 completed May 8, 2026, 12:23 p.m.
NEDg Description generation batch_69fdd74cc4048190bae5f75d922c9618 completed May 8, 2026, 12:30 p.m.
NED2 Entity disambiguation (via description) batch_69fdd7bd20748190b9145ef14ce2759b completed May 8, 2026, 12:31 p.m.
Created at: April 10, 2026, 1:22 a.m.