Triple

T15407075
Position Surface form Disambiguated ID Type / Status
Subject Summerhill area E368487 entity
Predicate servedBySubwayLine P17559 FINISHED
Object Line 1 Yonge–University E7281 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: Line 1 Yonge–University | Statement: [Summerhill area, servedBySubwayLine, Line 1 Yonge–University]

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: Line 1 Yonge–University
Context triple: [Summerhill area, servedBySubwayLine, Line 1 Yonge–University]
  • A. Line 1 Yonge–University chosen
    Line 1 Yonge–University is the busiest and oldest subway line in Toronto’s transit system, forming a U-shaped route through the city’s downtown core and major north–south corridors.
  • B. Line 2 Bloor–Danforth
    Line 2 Bloor–Danforth is a major east–west subway line in Toronto’s rapid transit system, running primarily along Bloor Street and Danforth Avenue.
  • C. Richmond Hill line
    The Richmond Hill line is a GO Transit commuter rail corridor in the Greater Toronto Area that runs between Toronto’s Union Station and communities to the north along the Don Valley and Richmond Hill.
  • D. Yonge–Eglinton
    Yonge–Eglinton is a busy midtown Toronto neighbourhood and commercial hub known for its high-rise residences, shopping, dining, and major transit connections.
  • E. Waterloo & City line
    The Waterloo & City line is a short, deep-level London Underground railway line that provides a direct commuter link between Waterloo station and the City of London.
  • 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_69d85a16c68c819099c1b547fbc87b32 elicitation completed
NER batch_69e03ea36c6881909eaea48e9608897a ner completed
NED1 batch_69ff135a26f08190ad3fc1d5a263a24e ned_source_triple completed
Created at: April 10, 2026, 3:20 a.m.