Triple

T17225425
Position Surface form Disambiguated ID Type / Status
Subject Jean-Drapeau station E418101 entity
Predicate partOf P40 FINISHED
Object Montreal Metro E85450 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: Montreal Metro | Statement: [Jean-Drapeau station, partOf, Montreal Metro]

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: Montreal Metro
Context triple: [Jean-Drapeau station, partOf, Montreal Metro]
  • A. Montreal Metro chosen
    The Montreal Metro is the rubber-tired rapid transit system serving the city of Montreal and its surrounding areas, known for its extensive underground network and distinctively designed stations.
  • B. Réseau express métropolitain
    The Réseau express métropolitain (REM) is a fully automated, high-frequency light metro system serving the Greater Montreal area and designed to improve regional transit connectivity.
  • C. Toronto subway
    The Toronto subway is the primary rapid transit system in Toronto, Ontario, consisting of multiple underground and elevated lines that serve as the backbone of the city’s public transportation network.
  • D. Réseau de transport métropolitain
    Réseau de transport métropolitain is the public agency responsible for operating and planning commuter rail and regional transit services in the Greater Montreal area of Quebec, Canada.
  • E. Réseau de transport de Longueuil
    Réseau de transport de Longueuil is the public transit agency serving Longueuil and surrounding South Shore communities in the Greater Montreal area, operating bus and related transportation services.
  • 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_69d886d779488190b131369541c04e7d elicitation completed
NER batch_69e42de0a8dc819093d9c8fb4f80342c ner completed
NED1 batch_6a0170ed74688190b15ef6d7e0cebe86 ned_source_triple completed
Created at: April 10, 2026, 5:38 a.m.