Triple

T9709447
Position Surface form Disambiguated ID Type / Status
Subject Fukushima Daiichi Unit 4 E234984 entity
Predicate locatedIn P40 FINISHED
Object Ōkuma, Fukushima Prefecture E223645 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: Ōkuma, Fukushima Prefecture | Statement: [Fukushima Daiichi Unit 4, locatedIn, Ōkuma, Fukushima Prefecture]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Ōkuma, Fukushima Prefecture
Context triple: [Fukushima Daiichi Unit 4, locatedIn, Ōkuma, Fukushima Prefecture]
  • A. Ōkuma, Fukushima Prefecture chosen
    Ōkuma, Fukushima Prefecture is a coastal Japanese town best known as one of the sites hosting the Fukushima Daiichi Nuclear Power Plant and being heavily affected by the 2011 nuclear disaster.
  • B. Namie, Fukushima Prefecture
    Namie is a coastal town in Fukushima Prefecture, Japan, that was heavily affected by the 2011 Tōhoku earthquake, tsunami, and Fukushima Daiichi nuclear disaster.
  • C. Tamura, Fukushima Prefecture
    Tamura is a city in Fukushima Prefecture, Japan, known for its rural landscapes, limestone caves, and proximity to the Fukushima Daiichi Nuclear Power Plant area.
  • D. Okazaki, Mikawa Province
    Okazaki in Mikawa Province is a historic Japanese castle town best known as the birthplace of Tokugawa Ieyasu, founder of the Tokugawa shogunate.
  • E. Ōmura, Nagasaki Prefecture
    Ōmura is a city in Nagasaki Prefecture, Japan, known as a regional transportation hub and industrial center that hosts Nagasaki Airport.
  • 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.