Triple

T17080828
Position Surface form Disambiguated ID Type / Status
Subject New Safe Confinement E414463 entity
Predicate partOf P40 FINISHED
Object Chernobyl Shelter Implementation Plan E414463 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: Chernobyl Shelter Implementation Plan | Statement: [New Safe Confinement, partOf, Chernobyl Shelter Implementation Plan]

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 Shelter Implementation Plan
Context triple: [New Safe Confinement, partOf, Chernobyl Shelter Implementation Plan]
  • A. New Safe Confinement chosen
    New Safe Confinement is a massive steel arch structure built to encase the damaged Chernobyl Nuclear Power Plant reactor and prevent further release of radioactive materials.
  • B. State Agency of Ukraine on Exclusion Zone Management
    The State Agency of Ukraine on Exclusion Zone Management is the Ukrainian government body responsible for overseeing environmental safety, radiation monitoring, and land use within the Chernobyl-affected territories.
  • C. Chernobyl
    Chernobyl is a historical drama miniseries that chronicles the 1986 Soviet nuclear disaster and its aftermath.
  • D. Chernobyl Nuclear Power Plant
    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.
  • E. Slavutych
    Slavutych is a planned Ukrainian city built after the Chernobyl disaster to house evacuated workers and their families, known for its unique multinational architectural design.
  • 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_6a012ee243c081909aa6d470e002222a ned_source_triple completed
Created at: April 10, 2026, 5:34 a.m.