Triple

T10187108
Position Surface form Disambiguated ID Type / Status
Subject Ikata, Ehime, Japan E236939 entity
Predicate knownFor P22 FINISHED
Object Ikata Nuclear Power Plant
The Ikata Nuclear Power Plant is a coastal nuclear power facility in Ehime Prefecture, Japan, that has been a focal point of the country’s post-Fukushima energy and safety debates.
 E847176 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: Ikata Nuclear Power Plant | Statement: [Ikata, Ehime, Japan, knownFor, Ikata Nuclear Power Plant]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Ikata Nuclear Power Plant
Context triple: [Ikata, Ehime, Japan, knownFor, Ikata Nuclear Power Plant]
  • A. 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).
  • B. 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.
  • C. Bilibino Nuclear Power Plant
    Bilibino Nuclear Power Plant is a small, remote nuclear power station in Russia’s Chukotka region, notable for supplying electricity and district heating to the Arctic town of Bilibino.
  • D. Ohakuri Power Station
    Ohakuri Power Station is a major hydroelectric power station on New Zealand’s North Island that harnesses the Waikato River to generate electricity.
  • 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. 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: Ikata Nuclear Power Plant
Triple: [Ikata, Ehime, Japan, knownFor, Ikata Nuclear Power Plant]
Generated description
The Ikata Nuclear Power Plant is a coastal nuclear power facility in Ehime Prefecture, Japan, that has been a focal point of the country’s post-Fukushima energy and safety debates.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Ikata Nuclear Power Plant
Target entity description: The Ikata Nuclear Power Plant is a coastal nuclear power facility in Ehime Prefecture, Japan, that has been a focal point of the country’s post-Fukushima energy and safety debates.
  • A. 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).
  • B. 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.
  • C. Bilibino Nuclear Power Plant
    Bilibino Nuclear Power Plant is a small, remote nuclear power station in Russia’s Chukotka region, notable for supplying electricity and district heating to the Arctic town of Bilibino.
  • D. Ohakuri Power Station
    Ohakuri Power Station is a major hydroelectric power station on New Zealand’s North Island that harnesses the Waikato River to generate electricity.
  • 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. 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_69ca84d7260c8190bfbec36762943f37 completed March 30, 2026, 2:12 p.m.
NER Named-entity recognition batch_69cded790b488190b1ed4645554873cd completed April 2, 2026, 4:15 a.m.
NED1 Entity disambiguation (via context triple) batch_69d317adddc88190a41d0eabe64f952b completed April 6, 2026, 2:17 a.m.
NEDg Description generation batch_69d31b9f32c08190af2e71641e9542b0 completed April 6, 2026, 2:34 a.m.
NED2 Entity disambiguation (via description) batch_69d31c421e1081908763cc97e0b1317c completed April 6, 2026, 2:36 a.m.
Created at: March 30, 2026, 9:12 p.m.