Triple

T9446839
Position Surface form Disambiguated ID Type / Status
Subject Fukushima Daiichi Unit 2 E227784 entity
Predicate sisterUnit P19167 FINISHED
Object Fukushima Daiichi Unit 3 E231223 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 Unit 3 | Statement: [Fukushima Daiichi Unit 2, sisterUnit, Fukushima Daiichi Unit 3]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Fukushima Daiichi Unit 3
Context triple: [Fukushima Daiichi Unit 2, sisterUnit, Fukushima Daiichi Unit 3]
  • A. Fukushima Daiichi Unit 3 chosen
    Fukushima Daiichi Unit 3 is one of the damaged reactors at Japan’s Fukushima Daiichi Nuclear Power Plant, known for suffering a hydrogen explosion and core meltdown during the 2011 nuclear disaster.
  • B. Fukushima Daiichi Unit 4
    Fukushima Daiichi Unit 4 is one of the reactors at Japan’s Fukushima Daiichi Nuclear Power Plant that suffered severe damage and a spent fuel pool crisis following the 2011 earthquake and tsunami.
  • 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. 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.
  • 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_69ca8439f8bc8190997f2ef40c9f0bc2 completed March 30, 2026, 2:10 p.m.
NER Named-entity recognition batch_69cd7f35394c8190aa77528dabd6139c completed April 1, 2026, 8:25 p.m.
NED1 Entity disambiguation (via context triple) batch_69d12cd9ae548190bf985c72196eb0bd completed April 4, 2026, 3:23 p.m.
Created at: March 30, 2026, 7:51 p.m.