Triple

T7071047
Position Surface form Disambiguated ID Type / Status
Subject Hall/Nimbus station E164695 entity
Predicate locatedIn P40 FINISHED
Object Portland metropolitan area E12315 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: Portland metropolitan area | Statement: [Hall/Nimbus station, locatedIn, Portland metropolitan area]

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: Portland metropolitan area
Context triple: [Hall/Nimbus station, locatedIn, Portland metropolitan area]
  • A. Portland metropolitan area
    The Portland metropolitan area is the region centered around Portland, Maine, encompassing surrounding cities and towns in southern Maine as a unified economic and population hub.
  • B. Portland metropolitan area chosen
    The Portland metropolitan area is a major urban region in the Pacific Northwest of the United States centered on the city of Portland and spanning multiple counties in Oregon and Washington.
  • C. Seattle metropolitan area
    The Seattle metropolitan area is a major urban and economic hub in Washington State centered on the city of Seattle, known for its technology industry, port facilities, and cultural influence in the Pacific Northwest.
  • D. Hamilton metropolitan area
    The Hamilton metropolitan area is the principal urban and commercial region centered on the city of Hamilton in Bermuda, encompassing its surrounding developed districts.
  • E. Detroit metropolitan area
    The Detroit metropolitan area is a major U.S. industrial and economic hub best known as the historic center of the American automotive industry.
  • 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_69c6887b96548190a8a9b3ac8adf4119 elicitation completed
NER batch_69c6e4c862f481908d1faf6ed57774f1 ner completed
NED1 batch_69c79c8a1d788190b9ad25d6e6c460f7 ned_source_triple completed
Created at: March 27, 2026, 2:39 p.m.