Triple

T9709443
Position Surface form Disambiguated ID Type / Status
Subject Fukushima Daiichi Unit 4 E234984 entity
Predicate partOf P40 FINISHED
Object Fukushima Daiichi Nuclear Power Plant E223644 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 Daiichi Nuclear Power Plant | Statement: [Fukushima Daiichi Unit 4, partOf, Fukushima Daiichi Nuclear Power Plant]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Fukushima Daiichi Nuclear Power Plant
Context triple: [Fukushima Daiichi Unit 4, partOf, Fukushima Daiichi Nuclear Power Plant]
  • A. Fukushima Daiichi Nuclear Power Plant chosen
    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.
  • B. 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).
  • C. Fukushima
    Fukushima is a city in Japan’s Tohoku region, known as the capital of Fukushima Prefecture and for its role in agriculture, hot springs, and regional administration.
  • D. Fukushima Daini Nuclear Power Plant
    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.
  • E. Fukushima Daiichi Unit 1
    Fukushima Daiichi Unit 1 is the first reactor unit at Japan’s Fukushima Daiichi Nuclear Power Plant and one of the units that suffered a major meltdown in the 2011 nuclear disaster.
  • 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_69ca84cd8fa0819090a5e243ceb37003 completed March 30, 2026, 2:12 p.m.
NER Named-entity recognition batch_69cd9da7c6188190b086f7e411378268 completed April 1, 2026, 10:35 p.m.
NED1 Entity disambiguation (via context triple) batch_69d19f8476e08190865700679069dee6 completed April 4, 2026, 11:32 p.m.
Created at: March 30, 2026, 8:19 p.m.