Triple

T7702278
Position Surface form Disambiguated ID Type / Status
Subject Russell Carhouse E174527 entity
Predicate publicTransitAuthority P14467 FINISHED
Object Toronto Transit Commission E4890 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: Toronto Transit Commission | Statement: [Russell Carhouse, publicTransitAuthority, Toronto Transit Commission]

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: Toronto Transit Commission
Context triple: [Russell Carhouse, publicTransitAuthority, Toronto Transit Commission]
  • A. Toronto Transit Commission chosen
    The Toronto Transit Commission is the public agency that operates Toronto’s primary network of subways, buses, and streetcars.
  • B. OC Transpo
    OC Transpo is the public transit agency that operates bus and light rail services throughout Ottawa, Ontario.
  • C. York Region Transit
    York Region Transit is the public transportation system serving communities across York Region in Ontario, Canada, operating local and rapid bus services that connect towns and cities north of Toronto.
  • D. Brampton Transit
    Brampton Transit is the public bus transportation system serving the city of Brampton in Ontario, Canada.
  • E. Metrolinx
    Metrolinx is a government agency in Ontario, Canada responsible for planning, operating, and integrating regional public transportation services across the Greater Toronto and Hamilton Area.
  • 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_69c6995a72cc8190998e56daa6f8e453 elicitation completed
NER batch_69c7028a2f9881908a2f1a257566fb7b ner completed
NED1 batch_69c8d6ab0ab48190b273d07db6d74c33 ned_source_triple completed
Created at: March 27, 2026, 4:03 p.m.