Triple

T20069778
Position Surface form Disambiguated ID Type / Status
Subject KOFF E499701 entity
Predicate hasBasedAircraftType P6548 FINISHED
Object E-4B — 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: E-4B | Statement: [KOFF, hasBasedAircraftType, E-4B]

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: E-4B
Context triple: [KOFF, hasBasedAircraftType, E-4B]
  • A. E-4B National Airborne Operations Center fleet
    The E-4B National Airborne Operations Center fleet is a group of highly modified Boeing 747 aircraft that serve as survivable, airborne command posts for U.S. national command authorities during nuclear or other major crises.
  • B. B-45 Tornado
    The B-45 Tornado was an early American jet-powered strategic bomber that became the first operational jet bomber of the United States Air Force in the late 1940s.
  • C. Boeing E-4 chosen
    The Boeing E-4 is a militarized, heavily modified Boeing 747 airframe used by the U.S. Air Force as a survivable airborne command post for national command authority during nuclear or other major crises.
  • D. T-2B Buckeye
    The T-2B Buckeye is a later, improved production version of the U.S. Navy’s T-2 Buckeye jet trainer aircraft, used primarily for advanced pilot training.
  • E. EC-121 Warning Star
    The EC-121 Warning Star was a U.S. Air Force airborne early warning and control aircraft developed from the Lockheed Constellation airliner and widely used during the Cold War and Vietnam War for radar surveillance and command-and-control missions.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69da627770948190997f486f9a2e370f elicitation completed
NER batch_69e664365ad0819089103b00d1cf8c9f ner completed
Created at: April 11, 2026, 3:39 p.m.