Triple

T9296255
Position Surface form Disambiguated ID Type / Status
Subject Ōkuma, Fukushima Prefecture E223645 entity
Predicate partOf P40 FINISHED
Object Fukushima exclusion zone
The Fukushima exclusion zone is a restricted area surrounding the Fukushima Daiichi Nuclear Power Plant, established after the 2011 nuclear disaster due to high levels of radioactive contamination.
E790337 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: Fukushima exclusion zone | Statement: [Ōkuma, Fukushima Prefecture, partOf, Fukushima exclusion zone]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Fukushima exclusion zone
Context triple: [Ōkuma, Fukushima Prefecture, partOf, Fukushima exclusion zone]
  • A. Fukushima
    Fukushima is a city in Japan’s Tohoku region, known as the capital of Fukushima Prefecture and for its role in agriculture, hot springs, and regional administration.
  • B. Chernobyl Exclusion Zone
    The Chernobyl Exclusion Zone is a heavily contaminated, restricted area surrounding the Chernobyl Nuclear Power Plant, established after the 1986 disaster to limit radiation exposure and monitor environmental and health impacts.
  • C. Belarusian Exclusion Zone
    The Belarusian Exclusion Zone is a heavily contaminated, largely uninhabited area in southern Belarus established after the 1986 Chernobyl nuclear disaster to restrict access and limit radiation exposure.
  • D. 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.
  • E. Minamigata area
    Minamigata area is a district in Osaka, Japan, known as a local residential and commercial neighborhood served by Nishinakajima-Minamigata Station.
  • 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: Fukushima exclusion zone
Triple: [Ōkuma, Fukushima Prefecture, partOf, Fukushima exclusion zone]
Generated description
The Fukushima exclusion zone is a restricted area surrounding the Fukushima Daiichi Nuclear Power Plant, established after the 2011 nuclear disaster due to high levels of radioactive contamination.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Fukushima exclusion zone
Target entity description: The Fukushima exclusion zone is a restricted area surrounding the Fukushima Daiichi Nuclear Power Plant, established after the 2011 nuclear disaster due to high levels of radioactive contamination.
  • A. Fukushima
    Fukushima is a city in Japan’s Tohoku region, known as the capital of Fukushima Prefecture and for its role in agriculture, hot springs, and regional administration.
  • B. Chernobyl Exclusion Zone
    The Chernobyl Exclusion Zone is a heavily contaminated, restricted area surrounding the Chernobyl Nuclear Power Plant, established after the 1986 disaster to limit radiation exposure and monitor environmental and health impacts.
  • C. Belarusian Exclusion Zone
    The Belarusian Exclusion Zone is a heavily contaminated, largely uninhabited area in southern Belarus established after the 1986 Chernobyl nuclear disaster to restrict access and limit radiation exposure.
  • D. 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.
  • E. Minamigata area
    Minamigata area is a district in Osaka, Japan, known as a local residential and commercial neighborhood served by Nishinakajima-Minamigata Station.
  • 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_69ca8423edb08190bc0c91287a484768 completed March 30, 2026, 2:09 p.m.
NER Named-entity recognition batch_69cd089c9c588190967404c9eb938dfb completed April 1, 2026, 11:59 a.m.
NED1 Entity disambiguation (via context triple) batch_69d0b248f99c8190a617b1d676799c75 completed April 4, 2026, 6:40 a.m.
NEDg Description generation batch_69d0b3f4bb6c819082d3f801ad88304f completed April 4, 2026, 6:47 a.m.
NED2 Entity disambiguation (via description) batch_69d0b4b8131c8190b2aa8be56925b7bc completed April 4, 2026, 6:50 a.m.
Created at: March 30, 2026, 7:36 p.m.