Triple

T22277638
Position Surface form Disambiguated ID Type / Status
Subject Urunga railway station E550647 entity
Predicate hasOperator P179 FINISHED
Object NSW TrainLink North Coast line services — NE NERFINISHED

How this triple was built (2 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 North Coast line services | Statement: [Urunga railway station, hasOperator, NSW TrainLink North Coast line services]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: NSW TrainLink North Coast line services
Context triple: [Urunga railway station, hasOperator, NSW TrainLink North Coast line services]
  • A. NSW TrainLink North Coast Line services chosen
    NSW TrainLink North Coast Line services are regional passenger train services in New South Wales that operate along the state’s north coast, linking Sydney with major coastal centres such as Newcastle, Taree, Coffs Harbour and Grafton, and extending to Brisbane.
  • B. 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.
  • C. NSW TrainLink South Coast Line services
    NSW TrainLink South Coast Line services are regional and intercity passenger train services operating along the South Coast of New South Wales, connecting Sydney with coastal towns and termini such as Bomaderry.
  • D. NSW TrainLink Main North Line services
    NSW TrainLink Main North Line services are regional passenger rail services in New South Wales that operate along the historic Main North railway corridor, linking Sydney with major northern centres such as the Central Coast, Hunter Region, and beyond.
  • E. NSW TrainLink Hunter Line services
    NSW TrainLink Hunter Line services are regional passenger train services in New South Wales that operate on the Hunter Valley rail network, connecting Newcastle with surrounding towns and communities.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69e11e44d538819097c6b8f333af3352 completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f14ea8a6688190bcd168670420ec59 completed April 29, 2026, 12:19 a.m.
Created at: April 16, 2026, 8:40 p.m.