Triple

T6094462
Position Surface form Disambiguated ID Type / Status
Subject London Transit Commission E135842 entity
Predicate publicTransportAuthorityFor P14467 FINISHED
Object London, Ontario E24077 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: London, Ontario | Statement: [London Transit Commission, publicTransportAuthorityFor, London, Ontario]

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: London, Ontario
Context triple: [London Transit Commission, publicTransportAuthorityFor, London, Ontario]
  • A. London, Ontario chosen
    London, Ontario is a mid-sized Canadian city in southwestern Ontario known for its educational institutions, healthcare sector, and role as a regional economic and cultural hub.
  • B. Windsor, Ontario
    Windsor, Ontario is a Canadian city in southwestern Ontario known as a major automotive and manufacturing hub situated directly across the river from Detroit, Michigan.
  • C. Brantford
    Brantford is a city in southwestern Ontario, Canada, known as the hometown of hockey legend Wayne Gretzky and for its historic role in the development of telephone technology.
  • D. LaSalle, Ontario
    LaSalle, Ontario is a suburban town located along the Detroit River near Windsor in southwestern Ontario, known for its residential communities and waterfront recreation.
  • E. Guelph
    Guelph is a mid-sized Canadian city known for its strong manufacturing base, historic architecture, and the University of Guelph.
  • 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_69c0087cd3c48190b459848c72d84eb1 elicitation completed
NER batch_69c05a9516ec819093e94ee8d3244e1b ner completed
NED1 batch_69c70adafa888190be606aba83a50302 ned_source_triple completed
Created at: March 22, 2026, 4:12 p.m.