Triple

T17014465
Position Surface form Disambiguated ID Type / Status
Subject Metro Line (Edmonton) E412782 entity
Predicate system P730 FINISHED
Object Edmonton Light Rail Transit E87907 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: Edmonton Light Rail Transit | Statement: [Metro Line (Edmonton), system, Edmonton Light Rail 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: Edmonton Light Rail Transit
Context triple: [Metro Line (Edmonton), system, Edmonton Light Rail Transit]
  • A. Edmonton LRT chosen
    Edmonton LRT is the light rail transit system serving the city of Edmonton, Alberta, providing urban and suburban passenger rail service across multiple lines.
  • B. Calgary CTrain
    Calgary CTrain is the light rail transit system serving Calgary, Alberta, known for its extensive network and high ridership within the city's public transportation system.
  • C. Grande Prairie Transit
    Grande Prairie Transit is the public bus transportation system serving the city of Grande Prairie in Alberta, Canada.
  • D. Calgary Transit
    Calgary Transit is the public transportation agency responsible for operating bus and light rail services in Calgary, Alberta, Canada.
  • E. SkyTrain Millennium Line
    The SkyTrain Millennium Line is a rapid transit line in Metro Vancouver, British Columbia, forming part of the region’s automated SkyTrain system and connecting several municipalities including Burnaby.
  • 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_69d886cc4170819093deddc7b8b4b6a7 elicitation completed
NER batch_69e3d47e64f081908f43870c7564d0ae ner completed
NED1 batch_6a0139ed3c5c8190b9d3662378ead04c ned_source_triple completed
Created at: April 10, 2026, 5:33 a.m.