Matsuyama, Ehime, Japan
E1033444
Matsuyama is the capital and largest city of Ehime Prefecture on Japan’s Shikoku Island, known for its historic Matsuyama Castle and the ancient Dōgo Onsen hot spring.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Matsuyama, Ehime Prefecture, Japan | 7 |
| Matsuyama, Ehime, Japan canonical | 5 |
| Matsuyama, Ehime | 4 |
| Matsuyama, Ehime Prefecture | 1 |
| Matsuyama, Iyo Province, Japan | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13292923 — 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: Matsuyama, Ehime, Japan Context triple: [Chiayi City, hasSisterCity, Matsuyama, Ehime, Japan]
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A.
Ikata, Ehime, Japan
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.
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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.
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C.
Kawanoe, Ehime, Japan
Kawanoe is a district in Shikoku-chūō City in Ehime Prefecture, Japan, historically a separate city and known as the birthplace of former Prime Minister Masayoshi Ōhira.
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D.
Matsue, Shimane Prefecture, Japan
Matsue is the capital city of Shimane Prefecture in western Japan, known for its historic castle, scenic lakes, and blend of traditional culture with modern technology industries.
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E.
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.
- 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: Matsuyama, Ehime, Japan Target entity description: Matsuyama is the capital and largest city of Ehime Prefecture on Japan’s Shikoku Island, known for its historic Matsuyama Castle and the ancient Dōgo Onsen hot spring.
-
A.
Ikata, Ehime, Japan
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.
-
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.
Kawanoe, Ehime, Japan
Kawanoe is a district in Shikoku-chūō City in Ehime Prefecture, Japan, historically a separate city and known as the birthplace of former Prime Minister Masayoshi Ōhira.
-
D.
Matsue, Shimane Prefecture, Japan
Matsue is the capital city of Shimane Prefecture in western Japan, known for its historic castle, scenic lakes, and blend of traditional culture with modern technology industries.
-
E.
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.
- F. None of above. chosen
Statements (50)
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: Matsuyama, Ehime, Japan Description of subject: Matsuyama is the capital and largest city of Ehime Prefecture on Japan’s Shikoku Island, known for its historic Matsuyama Castle and the ancient Dōgo Onsen hot spring.
Referenced by (18)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Chiayi City, Taiwan
linked to: Matsuyama, Ehime, Japan
subject linked to:
Temple 51: Ishiteji
linked to: Matsuyama, Ehime, Japan
linked to: Matsuyama, Ehime, Japan
linked to: Matsuyama, Ehime, Japan
linked to: Matsuyama, Ehime, Japan
linked to: Matsuyama, Ehime, Japan
linked to: Matsuyama, Ehime, Japan
linked to: Matsuyama, Ehime, Japan
linked to: Matsuyama, Ehime, Japan
linked to: Matsuyama, Ehime, Japan
linked to: Matsuyama, Ehime, Japan
linked to: Matsuyama, Ehime, Japan