Kanmon Bridge
E352918
Kanmon Bridge is a major suspension bridge in Japan that spans the Kanmon Straits, linking the islands of Honshu and Kyushu and serving as a key transportation route in western Japan.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Kanmon Bridge canonical | 6 |
How this entity was disambiguated
This entity first appeared as the object of triple T3310522 — 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: Kanmon Bridge Context triple: [Western Japan, connectedBy, Kanmon Bridge]
-
A.
Irabu Ohashi Bridge
Irabu Ohashi Bridge is a long sea-crossing bridge in Okinawa Prefecture, Japan, known for connecting Miyako-jima and Irabu-jima and offering scenic views over clear blue waters.
-
B.
Ikema Ohashi Bridge
Ikema Ohashi Bridge is a scenic long-span bridge in Okinawa Prefecture, Japan, known for connecting Miyako-jima and Ikema-jima across strikingly clear turquoise waters.
-
C.
Seto Ohashi Bridge
The Seto Ohashi Bridge is a massive series of double-deck bridges in Japan that carries both road and rail traffic across the Seto Inland Sea between Honshu and Shikoku.
-
D.
Hakucho Bridge
Hakucho Bridge is a prominent suspension bridge in Muroran, Hokkaido, known for its impressive span and night illumination across Muroran Bay.
-
E.
Ebisu Bridge
Ebisu Bridge is a famous pedestrian bridge in Osaka’s Namba district, known for its neon-lit surroundings and as a popular photo spot overlooking the Dotonbori Canal.
- 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: Kanmon Bridge Target entity description: Kanmon Bridge is a major suspension bridge in Japan that spans the Kanmon Straits, linking the islands of Honshu and Kyushu and serving as a key transportation route in western Japan.
-
A.
Irabu Ohashi Bridge
Irabu Ohashi Bridge is a long sea-crossing bridge in Okinawa Prefecture, Japan, known for connecting Miyako-jima and Irabu-jima and offering scenic views over clear blue waters.
-
B.
Ikema Ohashi Bridge
Ikema Ohashi Bridge is a scenic long-span bridge in Okinawa Prefecture, Japan, known for connecting Miyako-jima and Ikema-jima across strikingly clear turquoise waters.
-
C.
Seto Ohashi Bridge
The Seto Ohashi Bridge is a massive series of double-deck bridges in Japan that carries both road and rail traffic across the Seto Inland Sea between Honshu and Shikoku.
-
D.
Hakucho Bridge
Hakucho Bridge is a prominent suspension bridge in Muroran, Hokkaido, known for its impressive span and night illumination across Muroran Bay.
-
E.
Ebisu Bridge
Ebisu Bridge is a famous pedestrian bridge in Osaka’s Namba district, known for its neon-lit surroundings and as a popular photo spot overlooking the Dotonbori Canal.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
road bridge
ⓘ
suspension bridge ⓘ |
| category |
Bridges in Japan
ⓘ
Road bridges in Japan ⓘ Suspension bridges in Japan ⓘ Toll bridges in Japan ⓘ |
| connects |
Honshu
ⓘ
Kyushu ⓘ |
| connectsCity |
Kitakyushu
ⓘ
Shimonoseki ⓘ |
| constructionStartYear | 1968 ⓘ |
| country | Japan ⓘ |
| crosses | Kanmon Straits ⓘ |
| design | suspension ⓘ |
| hasNearbyCrossing |
Kanmon Tunnel
ⓘ
surface form:
Kanmon Railway Tunnel
Kanmon Tunnel ⓘ
surface form:
Kanmon Road Tunnel
|
| hasTowers | 2 ⓘ |
| isPartOfTransportNetwork |
Kyūshū Expressway
ⓘ
surface form:
Honshu–Kyushu transport link
|
| JapaneseName | 関門橋 ⓘ |
| languageOfName | Japanese ⓘ |
| locatedIn | Kanmon Straits ⓘ |
| locatedInBodyOfWater | Kanmon Straits ⓘ |
| locatedInPrefecture |
Fukuoka Prefecture
ⓘ
Yamaguchi Prefecture NERFINISHED ⓘ |
| locatedInSea |
Kanmon Straits
ⓘ
surface form:
Kanmon Strait (between Sea of Japan and Seto Inland Sea)
|
| locatedNear |
Kanmon Straits
ⓘ
surface form:
Strait of Shimonoseki
|
| mainSpanLength | 712 m ⓘ |
| maintainedBy |
Nippon Expressway Company Group
ⓘ
surface form:
Nippon Expressway Company
NEXCO West Japan ⓘ
surface form:
West Nippon Expressway Company
|
| material | steel ⓘ |
| notableFor |
being a key transportation route in western Japan
ⓘ
spanning the Kanmon Straits ⓘ |
| numberOfLanes | 6 ⓘ |
| opened | 1973 ⓘ |
| openingDate | 1973-11-14 ⓘ |
| partOf |
Chūgoku Expressway
ⓘ
surface form:
Chugoku Expressway
Honshu–Kyushu road corridor ⓘ Kyūshū Expressway ⓘ
surface form:
Kyushu Expressway
|
| region | western Japan ⓘ |
| separates |
Honshu
ⓘ
surface form:
Honshu Island
Kyushu ⓘ
surface form:
Kyushu Island
|
| toll | yes ⓘ |
| totalLength | 1068 m ⓘ |
| trafficType | motor vehicles only ⓘ |
| usedFor |
highway traffic
ⓘ
vehicular traffic ⓘ |
| yearCompleted | 1973 ⓘ |
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: Kanmon Bridge Description of subject: Kanmon Bridge is a major suspension bridge in Japan that spans the Kanmon Straits, linking the islands of Honshu and Kyushu and serving as a key transportation route in western Japan.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Western Japan
subject surface form:
Yamaguchi Prefecture