Triple

T4136921
Position Surface form Disambiguated ID Type / Status
Subject Chernobyl disaster E85175 entity
Predicate oneOfWorstNuclearAccidentsWith P54086 FINISHED
Object Fukushima Daiichi nuclear disaster E42988 NE FINISHED

How this triple was built (3 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
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: Fukushima Daiichi nuclear disaster | Statement: [Chernobyl disaster, oneOfWorstNuclearAccidentsWith, Fukushima Daiichi nuclear disaster]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Fukushima Daiichi nuclear disaster
Context triple: [Chernobyl disaster, oneOfWorstNuclearAccidentsWith, Fukushima Daiichi nuclear disaster]
  • A. Fukushima Daiichi nuclear disaster chosen
    The Fukushima Daiichi nuclear disaster was a 2011 catastrophic failure at a Japanese nuclear power plant triggered by a massive earthquake and tsunami, leading to core meltdowns, radioactive releases, and long-term environmental and policy impacts worldwide.
  • B. Fukushima Daiichi Nuclear Power Plant
    Fukushima Daiichi Nuclear Power Plant is a coastal Japanese nuclear power station in Ōkuma, Fukushima Prefecture, widely known as the site of the 2011 reactor meltdowns following a massive earthquake and tsunami.
  • C. Chernobyl disaster
    The Chernobyl disaster was a catastrophic 1986 nuclear power plant accident in Soviet-era Ukraine that released massive radioactive contamination across Europe and became one of the worst nuclear disasters in history.
  • D. 2011 Tōhoku earthquake and tsunami
    The 2011 Tōhoku earthquake and tsunami was a devastating magnitude 9.0 undersea megathrust earthquake off Japan’s northeastern coast that triggered massive tsunamis, widespread destruction, and the Fukushima Daiichi nuclear disaster.
  • E. Nagasaki bugyō
    Nagasaki bugyō were high-ranking Tokugawa shogunate officials responsible for administering the port city of Nagasaki and overseeing Japan’s tightly controlled foreign trade and relations during the Edo period.
  • 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: oneOfWorstNuclearAccidentsWith
Context triple: [Chernobyl disaster, oneOfWorstNuclearAccidentsWith, Fukushima Daiichi nuclear disaster]
  • A. worstAccidentInSystem
    Indicates that an accident is the most severe or damaging one within a given system or context.
  • B. notableInfrastructureFailure
    Indicates that a significant piece of infrastructure has failed or malfunctioned in a way that disrupts its normal operation or intended service.
  • C. missionAccident
    Indicates that an accident or unintended harmful event occurred during the course of a mission or operation.
  • D. nuclearTestExposure
    Indicates that an entity has been subjected to or affected by exposure to nuclear weapons testing or related radioactive fallout.
  • E. oneOfOnlyNuclearWeaponsUsedInWarfare
    Indicates that the subject is one of the very few nuclear weapons that have ever been used in actual warfare.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69aed935ccd881909dc61f81bcdb7a78 completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69af03a0f3408190adba7a8513bd3d12 completed March 9, 2026, 5:30 p.m.
NED1 Entity disambiguation (via context triple) batch_69b576c75e5c8190acc4ee72cb574432 completed March 14, 2026, 2:55 p.m.
PD Predicate disambiguation batch_69af018a54848190987f18c066c75068 completed March 9, 2026, 5:21 p.m.
PDg Predicate description generation batch_69af039fb19c8190b20e62a3b3ad25c1 completed March 9, 2026, 5:30 p.m.
Created at: March 9, 2026, 3:43 p.m.