Triple

T18327401
Position Surface form Disambiguated ID Type / Status
Subject East Maitland railway station E439046 entity
Predicate locatedOnLine P2409 FINISHED
Object Main Northern line 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: Main Northern line | Statement: [East Maitland railway station, locatedOnLine, Main Northern line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Main Northern line
Context triple: [East Maitland railway station, locatedOnLine, Main Northern line]
  • A. Main North Line
    The Main North Line is a major railway route in New Zealand that runs along the South Island’s east coast, linking Christchurch with Picton and serving both freight and passenger services.
  • B. Main North railway line chosen
    The Main North railway line is a major rail corridor in New South Wales, Australia, historically linking Sydney with the Hunter Region and northern parts of the state.
  • C. T9 Northern Line
    T9 Northern Line is a suburban passenger rail service forming part of the Sydney Trains network, connecting Sydney’s northern suburbs with the city and other key hubs.
  • D. North East railway line
    The North East railway line is a key rail corridor in Victoria, Australia, connecting Melbourne with the state’s northeast region and forming part of the main interstate route to Sydney.
  • E. Linha do Norte (Northern Line)
    Linha do Norte (Northern Line) is Portugal’s principal mainline railway corridor, linking Lisbon to Porto and serving as the country’s busiest and most important rail route.
  • 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_69d8b916a2d081909e249e4902f6aad9 completed April 10, 2026, 8:47 a.m.
NER Named-entity recognition batch_69e50aac14488190840b9c22209f13d1 completed April 19, 2026, 5:02 p.m.
Created at: April 10, 2026, 10:36 a.m.