Triple

T6023435
Position Surface form Disambiguated ID Type / Status
Subject Katyn war cemetery E134117 entity
Predicate perpetratorOfCommemoratedEvent P698 FINISHED
Object NKVD E14038 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: NKVD | Statement: [Katyn war cemetery, perpetratorOfCommemoratedEvent, NKVD]

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: NKVD
Context triple: [Katyn war cemetery, perpetratorOfCommemoratedEvent, NKVD]
  • A. NKVD chosen
    The NKVD was the Soviet Union’s interior ministry and secret police organization, notorious for political repression, mass arrests, and executions, especially under Joseph Stalin.
  • B. Cheka
    The Cheka was the Soviet Union’s first secret police organization, notorious for its role in political repression, mass executions, and enforcing Bolshevik rule during and after the Russian Civil War.
  • C. Okhrana
    The Okhrana was the secret police force of the late Russian Empire, notorious for surveilling, infiltrating, and suppressing revolutionary and opposition movements.
  • D. People's Commissariat for Internal Affairs
    The People's Commissariat for Internal Affairs (NKVD) was the Soviet Union's powerful security and secret police agency responsible for political repression, mass arrests, and the administration of the Gulag system, especially during Stalin's rule.
  • E. Narkomnats
    Narkomnats was a Soviet government body responsible for managing the affairs and policies related to the empire’s various nationalities and ethnic groups in the early years of the USSR.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: perpetratorOfCommemoratedEvent
Context triple: [Katyn war cemetery, perpetratorOfCommemoratedEvent, NKVD]
  • A. perpetratedBy chosen
    Indicates that an action, event, or wrongdoing was carried out or caused by a particular agent or entity.
  • B. commanderOfPerpetrators
    Indicates that one entity holds command authority over the individuals who carried out a particular act or offense.
  • C. perpetratorNationality
    Indicates the country or nationality to which a perpetrator of an act, crime, or harmful event belongs.
  • D. perpetratorAllegiance
    Indicates that the perpetrator is affiliated with, loyal to, or acting on behalf of a particular group, organization, or cause.
  • E. eraCommemorated
    Indicates that a particular era or historical period is honored, remembered, or marked by a commemorative act, object, or event.
  • F. None of above.

Provenance (4 batches)

Stage Batch ID Job type Status
creating batch_69c008742a5c8190b9cb9c2787a3d8b3 elicitation completed
NER batch_69c04fbd7978819085d683578bc62aa3 ner completed
NED1 batch_69c11371ceb88190b0c2d4218ed0327a ned_source_triple completed
PD batch_69c049e75b3881908be106fbcf8c68d4 pd completed
Created at: March 22, 2026, 4:07 p.m.