Triple

T17080653
Position Surface form Disambiguated ID Type / Status
Subject Pripyat E414459 entity
Predicate dateOfChernobylDisaster P27390 FINISHED
Object 1986-04-26 LITERAL FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's LITERAL 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: 1986-04-26 | Statement: [Pripyat, dateOfChernobylDisaster, 1986-04-26]

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.

PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: dateOfChernobylDisaster
Context triple: [Pripyat, dateOfChernobylDisaster, 1986-04-26]
  • A. dateOfTragedy chosen
    Indicates the specific calendar date on which a tragic event occurred.
  • B. bombardmentDate
    Indicates the date on which a bombardment event occurred or was carried out.
  • C. firstNuclearTestDate
    Indicates the date on which an entity conducted its first nuclear weapons test.
  • D. dateOfFirstControlledChainReaction
    Indicates the calendar date on which the first successfully controlled nuclear chain reaction occurred.
  • E. ChallengerDisasterDate
    Indicates the specific date on which the Challenger space shuttle disaster occurred.
  • F. None of above.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69d886cef44c8190ba56c44b4e863e64 elicitation completed
NER batch_69e3dbe2fe7c819099ab0586b1a119f6 ner completed
PD batch_69e35d642f74819098c014135e249b27 pd completed
Created at: April 10, 2026, 5:34 a.m.