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.