Triple

T23498319
Position Surface form Disambiguated ID Type / Status
Subject Carlton railway station E571763 entity
Predicate railwayNetwork P522 FINISHED
Object Melbourne suburban railway network — NE NERFINISHED

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: Melbourne suburban railway network | Statement: [Carlton railway station, railwayNetwork, Melbourne suburban railway network]

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: Melbourne suburban railway network
Context triple: [Carlton railway station, railwayNetwork, Melbourne suburban railway network]
  • A. Melbourne suburban rail network chosen
    The Melbourne suburban rail network is an extensive metropolitan train system that connects central Melbourne with its surrounding suburbs through multiple electrified lines and key interchange stations.
  • B. Sydney suburban rail network
    The Sydney suburban rail network is an extensive commuter rail system serving the Greater Sydney metropolitan area, connecting central Sydney with its suburbs through multiple electrified lines.
  • C. Melbourne tram network
    The Melbourne tram network is an extensive electric tram system that serves as a key component of public transport across Melbourne, Australia, and is one of the largest tram networks in the world.
  • D. Perth suburban rail network
    The Perth suburban rail network is the metropolitan passenger railway system serving Perth, Western Australia, comprising multiple electrified lines that connect the city center with its surrounding suburbs.
  • E. Melbourne public transport network
    The Melbourne public transport network is an integrated system of trains, trams, and buses that provides metropolitan and suburban transit across Greater Melbourne, Australia.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69e245b4829881909b77a70e942bbd54 elicitation completed
NER batch_69f1a7e184ec8190aff3677c9b00a8f2 ner completed
Created at: April 17, 2026, 6:06 p.m.