Triple

T17287277
Position Surface form Disambiguated ID Type / Status
Subject EMD F40PH E419690 entity
Predicate operator P179 FINISHED
Object GO Transit E61153 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: GO Transit | Statement: [EMD F40PH, operator, GO Transit]

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: GO Transit
Context triple: [EMD F40PH, operator, GO Transit]
  • A. GO Transit chosen
    GO Transit is a regional public transit system in Southern Ontario, Canada, providing commuter rail and bus services connecting Toronto with surrounding municipalities.
  • B. GO Transit Kitchener line
    The GO Transit Kitchener line is a regional commuter rail corridor in Southern Ontario that connects Toronto with communities to the west, including Kitchener and Waterloo.
  • C. GO Transit Stouffville line
    The GO Transit Stouffville line is a commuter rail line in the Greater Toronto Area that runs between downtown Toronto and communities to the northeast, including Stouffville.
  • D. GO Transit Barrie line
    The GO Transit Barrie line is a commuter rail service in the Greater Toronto Area that connects downtown Toronto with communities to the north, including the city of Barrie.
  • E. GO Transit Lakeshore East line
    The GO Transit Lakeshore East line is a commuter rail corridor in the Greater Toronto Area that runs eastward from Toronto’s Union Station through suburban communities toward Oshawa.
  • 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_69d886db32608190a61e18862c5a8af6 elicitation completed
NER batch_69e43780fad88190b82193c8335e2f11 ner completed
NED1 batch_6a0180d49ff08190bd73245adfb86760 ned_source_triple completed
Created at: April 10, 2026, 5:40 a.m.