Ikata, Ehime, Japan
E236939
Ikata, Ehime, Japan is a small coastal town on Shikoku Island known for its nuclear power plant and as the birthplace of Nobel Prize–winning engineer Shuji Nakamura.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Ikata, Ehime, Japan canonical | 2 |
| Ikata, Ehime Prefecture, Japan | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2144285 — 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: Ikata, Ehime, Japan Context triple: [Shuji Nakamura, placeOfBirth, Ikata, Ehime, Japan]
-
A.
Osugi, Shikoku, Japan
Osugi in Shikoku, Japan is a small rural locality best known as the birthplace of World War II-era Imperial Japanese Army general Tomoyuki Yamashita.
-
B.
Takamatsu, Kagawa Prefecture, Japan
Takamatsu, in Kagawa Prefecture on Japan’s Shikoku island, is a regional administrative and economic center known for its port, historic Ritsurin Garden, and role as a transportation hub.
-
C.
Tsuyama, Japan
Tsuyama, Japan is a historic city in Okayama Prefecture known for its well-preserved castle ruins, traditional townscape, and famous cherry blossom viewing spots.
-
D.
Kurashiki, Okayama Prefecture, Japan
Kurashiki is a historic city in Okayama Prefecture, Japan, known for its well-preserved Edo-period merchant quarter and picturesque canal district.
-
E.
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.
- 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: Ikata, Ehime, Japan Target entity description: Ikata, Ehime, Japan is a small coastal town on Shikoku Island known for its nuclear power plant and as the birthplace of Nobel Prize–winning engineer Shuji Nakamura.
-
A.
Osugi, Shikoku, Japan
Osugi in Shikoku, Japan is a small rural locality best known as the birthplace of World War II-era Imperial Japanese Army general Tomoyuki Yamashita.
-
B.
Takamatsu, Kagawa Prefecture, Japan
Takamatsu, in Kagawa Prefecture on Japan’s Shikoku island, is a regional administrative and economic center known for its port, historic Ritsurin Garden, and role as a transportation hub.
-
C.
Tsuyama, Japan
Tsuyama, Japan is a historic city in Okayama Prefecture known for its well-preserved castle ruins, traditional townscape, and famous cherry blossom viewing spots.
-
D.
Kurashiki, Okayama Prefecture, Japan
Kurashiki is a historic city in Okayama Prefecture, Japan, known for its well-preserved Edo-period merchant quarter and picturesque canal district.
-
E.
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.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
municipality
ⓘ
town ⓘ |
| administrativeDivisionLevel | town-level municipality ⓘ |
| birthplaceOf | Shuji Nakamura ⓘ |
| coastlineType | coastal ⓘ |
| country | Japan ⓘ |
| governingBody | Ikata Town Government ⓘ |
| hasAwardAssociatedPerson | Nobel Prize in Physics ⓘ |
| hasClimate | humid subtropical climate ⓘ |
| hasEconomicActivity |
agriculture
ⓘ
energy production ⓘ fishing ⓘ |
| hasFacility | Ikata Nuclear Power Plant ⓘ |
| hasGeographicalFeature | peninsula ⓘ |
| hasTourismAttraction |
coastal scenery
ⓘ
views of the Seto Inland Sea ⓘ |
| knownFor | Ikata Nuclear Power Plant ⓘ |
| language | Japanese ⓘ |
| locatedBy | Seto Inland Sea ⓘ |
| locatedIn |
Ehime Prefecture
ⓘ
Iyo District, Ehime ⓘ southwestern Ehime Prefecture ⓘ |
| locatedOn |
Sadamisaki Peninsula
ⓘ
Shikoku Island ⓘ
linked to:
Shikoku
|
| notableResident | Shuji Nakamura ⓘ |
| powerGenerationType | nuclear power ⓘ |
| region | Shikoku ⓘ |
| timeZone | Japan Standard Time ⓘ |
| transportation | road access along Sadamisaki Peninsula ⓘ |
| utcOffset | +09:00 ⓘ |
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: Ikata, Ehime, Japan Description of subject: Ikata, Ehime, Japan is a small coastal town on Shikoku Island known for its nuclear power plant and as the birthplace of Nobel Prize–winning engineer Shuji Nakamura.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.