Ōkuma, Fukushima Prefecture
E223645
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Ōkuma, Fukushima Prefecture canonical | 4 |
| Ōkuma, Fukushima Prefecture, Japan | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1979324 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
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.
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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.
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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.
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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.
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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.
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
Statements (47)
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Ōkuma, Fukushima Prefecture Description of subject: 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.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Ōkuma, Fukushima Prefecture, Japan
this entity surface form:
Ōkuma, Fukushima Prefecture, Japan