Triple

T10695959
Position Surface form Disambiguated ID Type / Status
Subject Fukushima Prefecture E252139 entity
Predicate contains P35 FINISHED
Object Fukushima Daini Nuclear Power Plant E790334 NE FINISHED

How this triple was built (2 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 Daini Nuclear Power Plant | Statement: [Fukushima Prefecture, contains, Fukushima Daini Nuclear Power Plant]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Fukushima Daini Nuclear Power Plant
Context triple: [Fukushima Prefecture, contains, Fukushima Daini Nuclear Power Plant]
  • A. Fukushima Daini Nuclear Power Plant chosen
    Fukushima Daini Nuclear Power Plant is a Japanese coastal nuclear power station in Fukushima Prefecture that experienced a significant but more contained impact from the 2011 Tōhoku earthquake and tsunami than its neighboring Daiichi plant.
  • B. Ikata Nuclear Power Plant
    The Ikata Nuclear Power Plant is a coastal nuclear power facility in Ehime Prefecture, Japan, that has been a focal point of the country’s post-Fukushima energy and safety debates.
  • C. Fukushima Daiichi Unit 2
    Fukushima Daiichi Unit 2 is one of the damaged reactors at Japan’s Fukushima Daiichi Nuclear Power Plant that suffered a core meltdown and severe structural failures following the 2011 earthquake and tsunami.
  • D. Kashiwazaki-Kariwa Nuclear Power Plant
    The Kashiwazaki-Kariwa Nuclear Power Plant is one of the world’s largest nuclear power stations, located in Niigata Prefecture, Japan, and operated by Tokyo Electric Power Company (TEPCO).
  • E. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d6aa5bd7c08190a816e733b4045c23 completed April 8, 2026, 7:19 p.m.
NER Named-entity recognition batch_69d6fd3af5248190ab807965255e9ad2 completed April 9, 2026, 1:13 a.m.
NED1 Entity disambiguation (via context triple) batch_69dbad00f7c8819097566994307c4550 completed April 12, 2026, 2:32 p.m.
Created at: April 8, 2026, 9:11 p.m.