Triple

T1979324
Position Surface form Disambiguated ID Type / Status
Subject Fukushima Daiichi nuclear disaster E42988 entity
Predicate location P40 FINISHED
Object Ōkuma, Fukushima Prefecture
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.
E223645 NE FINISHED

How this triple was built (4 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 nuclear disaster, location, Ōkuma, Fukushima Prefecture]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Ōkuma, Fukushima Prefecture
Context triple: [Fukushima Daiichi nuclear disaster, location, Ōkuma, Fukushima Prefecture]
  • A. 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.
  • B. Yokosuka, Kanagawa, Japan
    Yokosuka, in Kanagawa Prefecture, Japan, is a major naval port city hosting both Japanese and U.S. military bases and serving as an important maritime and industrial 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. Kōchi Prefecture, Japan
    Kōchi Prefecture, Japan is a largely rural coastal prefecture on the island of Shikoku, known for its mountainous landscapes, Pacific shoreline, and historic castle town of Kōchi City.
  • E. Morioka, Japan
    Morioka, Japan is a historic city in Iwate Prefecture on Japan’s main island of Honshu, known for its scenic mountain surroundings, traditional culture, and distinctive local noodle dishes.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Ōkuma, Fukushima Prefecture
Triple: [Fukushima Daiichi nuclear disaster, location, Ōkuma, Fukushima Prefecture]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Ōkuma, Fukushima Prefecture
Target entity description: 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.
  • A. 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.
  • B. Yokosuka, Kanagawa, Japan
    Yokosuka, in Kanagawa Prefecture, Japan, is a major naval port city hosting both Japanese and U.S. military bases and serving as an important maritime and industrial 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. Kōchi Prefecture, Japan
    Kōchi Prefecture, Japan is a largely rural coastal prefecture on the island of Shikoku, known for its mountainous landscapes, Pacific shoreline, and historic castle town of Kōchi City.
  • E. Morioka, Japan
    Morioka, Japan is a historic city in Iwate Prefecture on Japan’s main island of Honshu, known for its scenic mountain surroundings, traditional culture, and distinctive local noodle dishes.
  • F. None of above. chosen

Provenance (5 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_69a8871289048190b00b0d7744b7b2b1 completed March 4, 2026, 7:25 p.m.
NER Named-entity recognition batch_69abb7c698748190a10da0901952df07 completed March 7, 2026, 5:29 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae032988ec8190b9012cbb77e7efa4 completed March 8, 2026, 11:15 p.m.
NEDg Description generation batch_69ae03c4faac8190a13aa0882eda3629 completed March 8, 2026, 11:18 p.m.
NED2 Entity disambiguation (via description) batch_69ae0445a9608190918a7bd45b9bf999 completed March 8, 2026, 11:20 p.m.
Created at: March 4, 2026, 7:36 p.m.