Triple

T7911075
Position Surface form Disambiguated ID Type / Status
Subject Queanbeyan E183698 entity
Predicate railwayLine P848 FINISHED
Object Main Southern railway line E12777 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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 Southern railway line | Statement: [Queanbeyan, railwayLine, Main Southern railway line]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Main Southern railway line
Context triple: [Queanbeyan, railwayLine, Main Southern railway line]
  • A. Main Southern railway line chosen
    The Main Southern railway line is a major rail corridor in New South Wales, Australia, linking Sydney with the state’s southern regions and forming part of the key interstate route between Sydney and Melbourne.
  • B. Main South Line
    The Main South Line is a major railway line in New Zealand’s South Island that runs south from Christchurch through key regional centers, historically serving as an important freight and passenger route.
  • C. North–South Railway
    The North–South Railway is Vietnam’s principal rail line, running the length of the country and connecting major cities from Hanoi to Ho Chi Minh City.
  • D. Main Western railway line
    The Main Western railway line is a major railway corridor in New South Wales, Australia, running west from Sydney across the Blue Mountains and into the state's central west.
  • E. Central Line railway
    The Central Line railway is a major Tanzanian rail route that connects the coastal city of Dar es Salaam with the country’s central and western regions, serving as a key corridor for passenger and freight transport.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69ca828dec0c81908b8f55a4dbbb53ff elicitation completed
NER batch_69cb3a725b8c8190a530adb3107a95dd ner completed
NED1 batch_69cb5bdaf91c8190b31c5e539bdf049f ned_source_triple completed
Created at: March 30, 2026, 5:04 p.m.