Triple

T11550950
Position Surface form Disambiguated ID Type / Status
Subject South Bend International Airport E273887 entity
Predicate FAA LID P420 FINISHED
Object SBN E932701 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: SBN | Statement: [South Bend International Airport, FAA LID, SBN]

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: SBN
Context triple: [South Bend International Airport, FAA LID, SBN]
  • A. SBN chosen
    SBN is the IATA airport code for South Bend International Airport, a commercial airport serving South Bend, Indiana, and the surrounding region.
  • B. SNB
    SNB is the U.S. Navy’s military transport and trainer variant of the Beechcraft Model 18 aircraft.
  • C. SNB
    SNB is the abbreviation for the Schweizerische Nordwestbahn, a former Swiss railway company that operated in the northwestern region of Switzerland.
  • D. SNB
    SNB is the central bank of Switzerland responsible for the country’s monetary policy and the stability of the Swiss financial system.
  • E. SSBN
    SSBN is a naval hull classification symbol denoting nuclear-powered ballistic missile submarines designed primarily for strategic nuclear deterrence.
  • 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_69d6aae4dfa48190a3ab0b19a159a3c5 elicitation completed
NER batch_69d88a83f1e88190aabf11a4c8a6c9e5 ner completed
NED1 batch_69e71392d0388190971bab8906e5e6df ned_source_triple completed
Created at: April 8, 2026, 9:37 p.m.