Triple

T20728497
Position Surface form Disambiguated ID Type / Status
Subject Bert Mooney Airport E509502 entity
Predicate IATACode P418 FINISHED
Object BTM — NE NERFINISHED

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: BTM | Statement: [Bert Mooney Airport, IATACode, BTM]

Disambiguation candidates (2 decisions)

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: BTM
Context triple: [Bert Mooney Airport, IATACode, BTM]
  • A. BMT
    BMT is a long-distance hiking trail in the southeastern United States that traverses the Appalachian Mountains, named after conservationist Benton MacKaye.
  • B. BMT
    BMT (Brooklyn–Manhattan Transit Corporation) was a major private New York City subway operator whose lines now form one of the primary divisions of the modern NYC Subway system.
  • C. BT3
    BT3 is a postal district within the BT postcode area that covers part of Belfast in Northern Ireland.
  • D. BT1
    BT1 is the central Belfast city centre postcode district in Northern Ireland, covering key commercial and civic areas including Donegall Square.
  • E. BT.A
    BT.A is the London Stock Exchange ticker symbol for BT Group plc, a major British multinational telecommunications company.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: BTM
Target entity description: BTM is the IATA airport code for Bert Mooney Airport, a public airport serving Butte, Montana, in the United States.
  • A. BMT
    BMT is a long-distance hiking trail in the southeastern United States that traverses the Appalachian Mountains, named after conservationist Benton MacKaye.
  • B. BMT
    BMT (Brooklyn–Manhattan Transit Corporation) was a major private New York City subway operator whose lines now form one of the primary divisions of the modern NYC Subway system.
  • C. BT3
    BT3 is a postal district within the BT postcode area that covers part of Belfast in Northern Ireland.
  • D. BT1
    BT1 is the central Belfast city centre postcode district in Northern Ireland, covering key commercial and civic areas including Donegall Square.
  • E. BT.A
    BT.A is the London Stock Exchange ticker symbol for BT Group plc, a major British multinational telecommunications company.
  • F. None of above. chosen

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69e0b4c4cc648190b45fda6e2b20af56 elicitation completed
NER batch_69e6c1e9ed708190ad8e371646630fea ner completed
Created at: April 16, 2026, 12:30 p.m.