Triple

T20069786
Position Surface form Disambiguated ID Type / Status
Subject KOFF E499701 entity
Predicate hasNavigationAid P8170 FINISHED
Object TACAN 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: TACAN | Statement: [KOFF, hasNavigationAid, TACAN]

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: TACAN
Context triple: [KOFF, hasNavigationAid, TACAN]
  • A. TACAN chosen
    TACAN is a military tactical air navigation system that provides aircraft with precise bearing and distance information to a ground station.
  • B. VORTAC NSE
    VORTAC NSE is a combined VHF omnidirectional range (VOR) and tactical air navigation (TACAN) radio beacon used for aircraft navigation in the vicinity of Naval Air Station Whiting Field North (KNSE).
  • C. Non-Directional Beacons
    Non-directional beacons are ground-based radio transmitters that emit signals in all directions to help aircraft determine their bearing and navigate, especially in low-visibility conditions.
  • D. TRACON
    TRACON is an air traffic control facility responsible for managing and sequencing aircraft during the critical phases of arrival and departure in the airspace surrounding major airports.
  • E. LORAN
    LORAN is a long-range terrestrial radio navigation system originally developed for maritime and aviation positioning before the advent of satellite-based GPS.
  • 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.