Triple

T6130305
Position Surface form Disambiguated ID Type / Status
Subject Richmond, British Columbia E136699 entity
Predicate locatedIn P40 FINISHED
Object Lower Mainland E205555 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: Lower Mainland | Statement: [Richmond, British Columbia, locatedIn, Lower Mainland]

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: Lower Mainland
Context triple: [Richmond, British Columbia, locatedIn, Lower Mainland]
  • A. Lower Mainland chosen
    The Lower Mainland is a densely populated region of southwestern British Columbia centered on Greater Vancouver, known as the province’s main urban, economic, and transportation hub.
  • B. Fraser Valley
    Fraser Valley is a region in southwestern British Columbia, Canada, known for its fertile agricultural land, growing suburban communities, and proximity to the Greater Vancouver area.
  • C. Greater Vancouver Regional District
    Greater Vancouver Regional District was the former name of Metro Vancouver, the regional governing body that coordinates services and planning for the metropolitan area surrounding Vancouver, British Columbia.
  • D. South Vancouver
    South Vancouver is a primarily residential district in the southern part of Vancouver, British Columbia, known for its diverse communities, parks, and proximity to the Fraser River.
  • E. Vancouver urban area
    The Vancouver urban area is a metropolitan region in southwestern Washington centered on the city of Vancouver, forming part of the greater Portland–Vancouver urban corridor.
  • 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_69c008a0a37c81908e5b4f879158afb3 elicitation completed
NER batch_69c05c4de9c48190b98f67a6251ec1df ner completed
NED1 batch_69c135d080808190938e3a1095080850 ned_source_triple completed
Created at: March 22, 2026, 4:15 p.m.