Triple

T3334897
Position Surface form Disambiguated ID Type / Status
Subject Gosford to Newcastle section E70116 entity
Predicate lineUsedBy P14437 FINISHED
Object NSW TrainLink Central Coast & Newcastle Line
The NSW TrainLink Central Coast & Newcastle Line is an intercity passenger rail service in New South Wales, Australia, connecting Sydney with the Central Coast and Newcastle regions.
 E408672 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: NSW TrainLink Central Coast & Newcastle Line | Statement: [Gosford to Newcastle section, lineUsedBy, NSW TrainLink Central Coast & Newcastle Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: NSW TrainLink Central Coast & Newcastle Line
Context triple: [Gosford to Newcastle section, lineUsedBy, NSW TrainLink Central Coast & Newcastle Line]
  • A. NSW TrainLink
    NSW TrainLink is a New South Wales government-owned passenger rail and coach service provider that operates regional and intercity routes across the state and into neighboring regions.
  • B. Sydney to Blue Mountains Intercity Line
    The Sydney to Blue Mountains Intercity Line is a long-distance commuter rail service in New South Wales that connects central Sydney with the towns and scenic areas of the Blue Mountains region.
  • C. T4 Eastern Suburbs & Illawarra Line
    The T4 Eastern Suburbs & Illawarra Line is a major Sydney Trains suburban rail line that runs from the city’s eastern suburbs through the southern suburbs to the Illawarra region.
  • 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. 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.
  • 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: NSW TrainLink Central Coast & Newcastle Line
Triple: [Gosford to Newcastle section, lineUsedBy, NSW TrainLink Central Coast & Newcastle Line]
Generated description
The NSW TrainLink Central Coast & Newcastle Line is an intercity passenger rail service in New South Wales, Australia, connecting Sydney with the Central Coast and Newcastle regions.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: NSW TrainLink Central Coast & Newcastle Line
Target entity description: The NSW TrainLink Central Coast & Newcastle Line is an intercity passenger rail service in New South Wales, Australia, connecting Sydney with the Central Coast and Newcastle regions.
  • A. NSW TrainLink
    NSW TrainLink is a New South Wales government-owned passenger rail and coach service provider that operates regional and intercity routes across the state and into neighboring regions.
  • B. Sydney to Blue Mountains Intercity Line
    The Sydney to Blue Mountains Intercity Line is a long-distance commuter rail service in New South Wales that connects central Sydney with the towns and scenic areas of the Blue Mountains region.
  • C. T4 Eastern Suburbs & Illawarra Line
    The T4 Eastern Suburbs & Illawarra Line is a major Sydney Trains suburban rail line that runs from the city’s eastern suburbs through the southern suburbs to the Illawarra region.
  • 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. 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.
  • 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_69ad85a24f208190bcf83131bfed3521 completed March 8, 2026, 2:20 p.m.
NER Named-entity recognition batch_69adb1961b888190bda38ba301ddc51d completed March 8, 2026, 5:27 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5560426908190bd9620900e370634 completed March 14, 2026, 12:35 p.m.
NEDg Description generation batch_69b559c8910c8190a1a14a91577f9341 completed March 14, 2026, 12:51 p.m.
NED2 Entity disambiguation (via description) batch_69b55a2aa35881908a109956f81cfc3e completed March 14, 2026, 12:52 p.m.
Created at: March 8, 2026, 3:12 p.m.