Triple

T17080533
Position Surface form Disambiguated ID Type / Status
Subject Reactor No. 4 E414457 entity
Predicate locatedIn P40 FINISHED
Object Pripyat E414459 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: Pripyat | Statement: [Reactor No. 4, locatedIn, Pripyat]

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: Pripyat
Context triple: [Reactor No. 4, locatedIn, Pripyat]
  • A. Pripyat
    Pripyat is a major Eastern European river flowing through Ukraine and Belarus, historically significant as a waterway in the Dnieper basin and known for passing near the Chernobyl Exclusion Zone.
  • B. Pripyat chosen
    Pripyat is an abandoned Ukrainian city near the Chernobyl Nuclear Power Plant, known for being permanently evacuated after the 1986 Chernobyl disaster.
  • C. 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.
  • D. Obninsk
    Obninsk is a Russian city best known as the site of the world’s first grid-connected nuclear power plant and an important center for nuclear and scientific research.
  • E. Peredelkino
    Peredelkino is a writers’ village near Moscow, Russia, historically known as a retreat and residence for many prominent Soviet and Russian authors, including Boris Pasternak.
  • 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_69e3dbe24a6481908b4596c95220df4a ner completed
NED1 batch_6a012ee243c081909aa6d470e002222a ned_source_triple completed
Created at: April 10, 2026, 5:34 a.m.