Triple

T17080851
Position Surface form Disambiguated ID Type / Status
Subject New Safe Confinement E414463 entity
Predicate protects P1040 FINISHED
Object Chernobyl Nuclear Power Plant Unit 4 — NE ONNED1

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: Chernobyl Nuclear Power Plant Unit 4 | Statement: [New Safe Confinement, protects, Chernobyl Nuclear Power Plant Unit 4]

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: Chernobyl Nuclear Power Plant Unit 4
Context triple: [New Safe Confinement, protects, Chernobyl Nuclear Power Plant Unit 4]
  • A. Chernobyl Nuclear Power Plant chosen
    The Chernobyl Nuclear Power Plant was a Soviet-era nuclear power station in northern Ukraine, infamous for the catastrophic 1986 reactor explosion that caused one of the worst nuclear disasters in history.
  • B. Kursk Nuclear Power Plant
    Kursk Nuclear Power Plant is a Russian nuclear power station in Kursk Oblast that historically operated RBMK-1000 graphite-moderated reactors similar to those at Chernobyl.
  • C. Smolensk Nuclear Power Plant
    Smolensk Nuclear Power Plant is a major Russian nuclear power station in Smolensk Oblast that operates Soviet-era RBMK reactors to generate electricity for the region.
  • D. Beloyarsk Nuclear Power Station
    Beloyarsk Nuclear Power Station is a Russian nuclear power plant in Sverdlovsk Oblast known for its experimental and commercial fast breeder reactors, including the BN-series units.
  • E. Kalinin nuclear power plant
    The Kalinin nuclear power plant is a major Russian nuclear power facility that supplies electricity to the central regions of the country.
  • 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_69d886cef44c8190ba56c44b4e863e64 elicitation completed
NER batch_69e3dbe2fe7c819099ab0586b1a119f6 ner completed
NED1 batch_6a0195428c6c8190a11e3f7c8f6796fe ned_source_triple in_progress
Created at: April 10, 2026, 5:34 a.m.