Triple

T14731695
Position Surface form Disambiguated ID Type / Status
Subject Sydney to Brisbane XPT service E346089 entity
Predicate routeName P5619 FINISHED
Object Sydney–Brisbane XPT
The Sydney–Brisbane XPT is a long-distance passenger train service in Australia operated by NSW TrainLink, running between Sydney in New South Wales and Brisbane in Queensland using high-speed XPT rolling stock.
 E1117894 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–Brisbane XPT | Statement: [Sydney to Brisbane XPT service, routeName, Sydney–Brisbane XPT]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Sydney–Brisbane XPT
Context triple: [Sydney to Brisbane XPT service, routeName, Sydney–Brisbane XPT]
  • A. Sydney–Grafton XPT
    The Sydney–Grafton XPT is a long-distance New South Wales TrainLink passenger rail service operating between Sydney and Grafton using high-speed XPT trains.
  • B. Sydney–Casino XPT
    The Sydney–Casino XPT is a long-distance New South Wales TrainLink passenger rail service operating between Sydney and the northern New South Wales town of Casino using high-speed XPT trains.
  • 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. Sydney–Brisbane rail corridor
    The Sydney–Brisbane rail corridor is a major intercity railway line along Australia’s east coast that connects the cities of Sydney in New South Wales and Brisbane in Queensland, serving numerous regional towns along the route.
  • E. NSW TrainLink XPT Sydney–Melbourne service
    The NSW TrainLink XPT Sydney–Melbourne service is a long-distance intercity passenger train operated by NSW TrainLink that runs between Sydney and Melbourne, stopping at key regional centres along the route.
  • 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–Brisbane XPT
Triple: [Sydney to Brisbane XPT service, routeName, Sydney–Brisbane XPT]
Generated description
The Sydney–Brisbane XPT is a long-distance passenger train service in Australia operated by NSW TrainLink, running between Sydney in New South Wales and Brisbane in Queensland using high-speed XPT rolling stock.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Sydney–Brisbane XPT
Target entity description: The Sydney–Brisbane XPT is a long-distance passenger train service in Australia operated by NSW TrainLink, running between Sydney in New South Wales and Brisbane in Queensland using high-speed XPT rolling stock.
  • A. Sydney–Grafton XPT
    The Sydney–Grafton XPT is a long-distance New South Wales TrainLink passenger rail service operating between Sydney and Grafton using high-speed XPT trains.
  • B. Sydney–Casino XPT
    The Sydney–Casino XPT is a long-distance New South Wales TrainLink passenger rail service operating between Sydney and the northern New South Wales town of Casino using high-speed XPT trains.
  • 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. Sydney–Brisbane rail corridor
    The Sydney–Brisbane rail corridor is a major intercity railway line along Australia’s east coast that connects the cities of Sydney in New South Wales and Brisbane in Queensland, serving numerous regional towns along the route.
  • E. NSW TrainLink XPT Sydney–Melbourne service
    The NSW TrainLink XPT Sydney–Melbourne service is a long-distance intercity passenger train operated by NSW TrainLink that runs between Sydney and Melbourne, stopping at key regional centres along the route.
  • 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_69d822e5911c8190ba589f957dbd9ba7 completed April 9, 2026, 10:06 p.m.
NER Named-entity recognition batch_69dec26311c8819093a81ff0fa43b33b completed April 14, 2026, 10:40 p.m.
NED1 Entity disambiguation (via context triple) batch_69fdfb89ea388190b356df74e36023f7 completed May 8, 2026, 3:04 p.m.
NEDg Description generation batch_69fdfdd73dcc8190bd0340b2f2a2c54a completed May 8, 2026, 3:14 p.m.
NED2 Entity disambiguation (via description) batch_69fdfe70e03481909eb9a9bf863f826b completed May 8, 2026, 3:17 p.m.
Created at: April 10, 2026, 1:29 a.m.