Triple

T6865400
Position Surface form Disambiguated ID Type / Status
Subject SA-2 Guideline E158387 entity
Predicate originLanguageDesignation P28203 FINISHED
Object S-75 Dvina E30126 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: S-75 Dvina | Statement: [SA-2 Guideline, originLanguageDesignation, S-75 Dvina]

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: S-75 Dvina
Context triple: [SA-2 Guideline, originLanguageDesignation, S-75 Dvina]
  • A. S-75 Dvina (SA-2 Guideline) missile chosen
    The S-75 Dvina (SA-2 Guideline) is a Soviet-era, high-altitude, surface-to-air missile system widely deployed during the Cold War and known for shooting down several Western reconnaissance and combat aircraft.
  • B. S-25 Berkut
    The S-25 Berkut was an early Soviet fixed surface-to-air missile system developed in the 1950s to provide high-altitude air defense for Moscow during the Cold War.
  • C. Buk surface-to-air missile system
    The Buk surface-to-air missile system is a Russian-made, medium-range, mobile air defense platform designed to engage aircraft, cruise missiles, and other aerial threats.
  • D. S-300P series
    The S-300P series is a long-range Soviet/Russian surface-to-air missile system designed for high-altitude air defense against aircraft and cruise missiles.
  • E. R-12 Dvina missile
    The R-12 Dvina missile was a Soviet medium-range ballistic missile central to Cold War nuclear strategy and notably deployed during the Cuban Missile Crisis.
  • 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_69c68831e3648190a643c328122e4d43 elicitation completed
NER batch_69c6d88c48f08190b9afba97b19d8605 ner completed
NED1 batch_69c72ff2ab2c8190b6360d1d4fc347c8 ned_source_triple completed
Created at: March 27, 2026, 2:21 p.m.