Triple

T17989658
Position Surface form Disambiguated ID Type / Status
Subject NSW TrainLink Hunter Line services E430332 entity
Predicate operatingArea P82 FINISHED
Object Newcastle and Hunter Valley rail corridors
The Newcastle and Hunter Valley rail corridors are a regional rail network in New South Wales, Australia, linking the city of Newcastle with towns throughout the Hunter Valley and supporting both passenger and freight services.
 E1299807 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: Newcastle and Hunter Valley rail corridors | Statement: [NSW TrainLink Hunter Line services, operatingArea, Newcastle and Hunter Valley rail corridors]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Newcastle and Hunter Valley rail corridors
Context triple: [NSW TrainLink Hunter Line services, operatingArea, Newcastle and Hunter Valley rail corridors]
  • A. Sydney–Newcastle rail corridor
    The Sydney–Newcastle rail corridor is a major intercity railway line in New South Wales, Australia, linking Sydney with the coastal city of Newcastle and serving numerous commuter and regional services along the route.
  • B. Sydney–Armidale rail corridor
    The Sydney–Armidale rail corridor is a regional passenger railway line in New South Wales, Australia, linking Sydney with the inland city of Armidale through the Northern Tablelands.
  • C. Sydney–Grafton rail corridor
    The Sydney–Grafton rail corridor is a regional passenger rail line in New South Wales, Australia, linking Sydney with the northern rivers city of Grafton along the North Coast line.
  • D. Sydney–Canberra rail corridor
    The Sydney–Canberra rail corridor is a key intercity railway line in New South Wales and the Australian Capital Territory that links Australia’s largest city with the national capital.
  • E. Sydney–Dubbo rail corridor
    The Sydney–Dubbo rail corridor is a regional passenger rail line in New South Wales, Australia, linking the state capital Sydney with the inland city of Dubbo across the Central West.
  • 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: Newcastle and Hunter Valley rail corridors
Triple: [NSW TrainLink Hunter Line services, operatingArea, Newcastle and Hunter Valley rail corridors]
Generated description
The Newcastle and Hunter Valley rail corridors are a regional rail network in New South Wales, Australia, linking the city of Newcastle with towns throughout the Hunter Valley and supporting both passenger and freight services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Newcastle and Hunter Valley rail corridors
Target entity description: The Newcastle and Hunter Valley rail corridors are a regional rail network in New South Wales, Australia, linking the city of Newcastle with towns throughout the Hunter Valley and supporting both passenger and freight services.
  • A. Sydney–Newcastle rail corridor
    The Sydney–Newcastle rail corridor is a major intercity railway line in New South Wales, Australia, linking Sydney with the coastal city of Newcastle and serving numerous commuter and regional services along the route.
  • B. Sydney–Armidale rail corridor
    The Sydney–Armidale rail corridor is a regional passenger railway line in New South Wales, Australia, linking Sydney with the inland city of Armidale through the Northern Tablelands.
  • C. Sydney–Grafton rail corridor
    The Sydney–Grafton rail corridor is a regional passenger rail line in New South Wales, Australia, linking Sydney with the northern rivers city of Grafton along the North Coast line.
  • D. Sydney–Canberra rail corridor
    The Sydney–Canberra rail corridor is a key intercity railway line in New South Wales and the Australian Capital Territory that links Australia’s largest city with the national capital.
  • E. Sydney–Dubbo rail corridor
    The Sydney–Dubbo rail corridor is a regional passenger rail line in New South Wales, Australia, linking the state capital Sydney with the inland city of Dubbo across the Central West.
  • 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_69d8b90364248190a37381adea932f42 completed April 10, 2026, 8:46 a.m.
NER Named-entity recognition batch_69e4b29e47a88190be58b79c73d3e652 completed April 19, 2026, 10:46 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0337acabd481909deced9a61d84ed3 completed May 12, 2026, 2:22 p.m.
NEDg Description generation batch_6a0338cd02808190b650f59fc16bab0d completed May 12, 2026, 2:27 p.m.
NED2 Entity disambiguation (via description) batch_6a033cb498248190a3805cd356832cd0 completed May 12, 2026, 2:44 p.m.
Created at: April 10, 2026, 10:23 a.m.