Triple

T9446811
Position Surface form Disambiguated ID Type / Status
Subject Fukushima Daiichi Unit 2 E227784 entity
Predicate location P40 FINISHED
Object Ōkuma, Fukushima Prefecture, Japan 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, Japan | Statement: [Fukushima Daiichi Unit 2, location, Ōkuma, Fukushima Prefecture, Japan]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Ōkuma, Fukushima Prefecture, Japan
Context triple: [Fukushima Daiichi Unit 2, location, Ōkuma, Fukushima Prefecture, Japan]
  • 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. Taira, Fukushima Prefecture, Japan
    Taira, located in Fukushima Prefecture, Japan, is a district of the city of Iwaki known as a regional commercial and administrative center.
  • C. Fukuyama, Hiroshima Prefecture, Japan
    Fukuyama is a coastal city in Hiroshima Prefecture, Japan, known for its historic Fukuyama Castle and industrial and commercial significance in the Chūgoku region.
  • D. 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.
  • E. 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.
  • 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_69d1106aeb708190bbbe1d05b7472194 completed April 4, 2026, 1:21 p.m.
Created at: March 30, 2026, 7:51 p.m.