Iwakuni, Yamaguchi Prefecture, Japan
E915228
Iwakuni is a coastal city in Yamaguchi Prefecture, Japan, known for its historic Kintai Bridge and its long-standing role as a strategic military and aviation hub.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Iwakuni, Yamaguchi Prefecture, Japan canonical | 2 |
| Iwakuni, Yamaguchi | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11279967 — 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: Iwakuni, Yamaguchi Prefecture, Japan Context triple: [Marine Corps Air Station Iwakuni, location, Iwakuni, Yamaguchi Prefecture, Japan]
-
A.
Katsuragi, Nara Prefecture, Japan
Katsuragi is a city in Nara Prefecture, Japan, known for its historical and cultural significance in the Kansai region.
-
B.
Izumo, Shimane Prefecture, Japan
Izumo, in Shimane Prefecture, Japan, is a historic city best known for the ancient Shinto shrine Izumo Taisha and its rich cultural and mythological heritage.
-
C.
Kakeya, Shimane, Japan
Kakeya, Shimane, Japan is a small town in Shimane Prefecture best known as the birthplace of former Japanese Prime Minister Noboru Takeshita.
-
D.
Yamaguchi Prefecture, Japan
Yamaguchi Prefecture, Japan is a southwestern Japanese prefecture on the island of Honshu known for its strategic coastal location facing both the Seto Inland Sea and the Sea of Japan, historic samurai towns, and role as the birthplace of several prominent political and military figures.
-
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: Iwakuni, Yamaguchi Prefecture, Japan Target entity description: Iwakuni is a coastal city in Yamaguchi Prefecture, Japan, known for its historic Kintai Bridge and its long-standing role as a strategic military and aviation hub.
-
A.
Katsuragi, Nara Prefecture, Japan
Katsuragi is a city in Nara Prefecture, Japan, known for its historical and cultural significance in the Kansai region.
-
B.
Izumo, Shimane Prefecture, Japan
Izumo, in Shimane Prefecture, Japan, is a historic city best known for the ancient Shinto shrine Izumo Taisha and its rich cultural and mythological heritage.
-
C.
Kakeya, Shimane, Japan
Kakeya, Shimane, Japan is a small town in Shimane Prefecture best known as the birthplace of former Japanese Prime Minister Noboru Takeshita.
-
D.
Yamaguchi Prefecture, Japan
Yamaguchi Prefecture, Japan is a southwestern Japanese prefecture on the island of Honshu known for its strategic coastal location facing both the Seto Inland Sea and the Sea of Japan, historic samurai towns, and role as the birthplace of several prominent political and military figures.
-
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 (48)
| Predicate | Object |
|---|---|
| instanceOf | city ⓘ |
| bridgeTypeAtKintai | wooden arch bridge ⓘ |
| climate | humid subtropical climate ⓘ |
| coast | Seto Inland Sea NERFINISHED ⓘ |
| connectedByBridge | Kintai Bridge NERFINISHED ⓘ |
| country | Japan ⓘ |
| governmentType | mayor–council ⓘ |
| hasAirport | Iwakuni Kintaikyo Airport NERFINISHED ⓘ |
| hasAlternateName | Iwakuni City NERFINISHED ⓘ |
| hasCulturalAttraction |
Iwakuni Castle
NERFINISHED
ⓘ
Kikko Park NERFINISHED ⓘ Kikko Shrine NERFINISHED ⓘ |
| hasFamousLandmark | Kintai Bridge NERFINISHED ⓘ |
| hasHistoricBridge | Kintai Bridge NERFINISHED ⓘ |
| hasHistoricSite | former Iwakuni Domain castle town area ⓘ |
| hasMilitaryBase | Marine Corps Air Station Iwakuni NERFINISHED ⓘ |
| hasPort | Iwakuni Port NERFINISHED ⓘ |
| hasRiver | Nishiki River NERFINISHED ⓘ |
| hasSisterCity |
Dalian, China
NERFINISHED
ⓘ
Everett, Washington, United States NERFINISHED ⓘ San Diego, California, United States NERFINISHED ⓘ Würzburg, Germany NERFINISHED ⓘ |
| hasSpecialProduct |
Iwakuni-zushi
ⓘ
lotus root (renkon) ⓘ white snakes (protected natural monument) NERFINISHED ⓘ |
| hasTransportation |
Iwakuni Station
NERFINISHED
ⓘ
Sanyō Main Line NERFINISHED ⓘ Sanyō Shinkansen (nearby Shin-Iwakuni Station) NERFINISHED ⓘ |
| knownFor |
Kintai Bridge
NERFINISHED
ⓘ
aviation hub ⓘ historic wooden arch bridge ⓘ military base ⓘ |
| language | Japanese ⓘ |
| locatedIn |
Chūgoku region
NERFINISHED
ⓘ
Yamaguchi Prefecture NERFINISHED ⓘ |
| locatedOn |
Honshu
ⓘ
Seto Inland Sea NERFINISHED ⓘ |
| locatedSouthOf | Hiroshima NERFINISHED ⓘ |
| partOf | Yamaguchi Prefecture NERFINISHED ⓘ |
| regionRole | regional transportation hub ⓘ |
| strategicRole |
aviation operations
ⓘ
military logistics ⓘ |
| timeZone | Japan Standard Time ⓘ |
| tourismType |
cultural tourism
ⓘ
historical tourism ⓘ nature tourism ⓘ |
| traversedBy | Nishiki River NERFINISHED ⓘ |
| wasCenterOf | Iwakuni Domain NERFINISHED ⓘ |
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: Iwakuni, Yamaguchi Prefecture, Japan Description of subject: Iwakuni is a coastal city in Yamaguchi Prefecture, Japan, known for its historic Kintai Bridge and its long-standing role as a strategic military and aviation hub.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Iwakuni, Yamaguchi