Seto Ohashi Bridge system
E71955
The Seto Ohashi Bridge system is a series of double-deck road-and-rail suspension and cable-stayed bridges in Japan that spans the Seto Inland Sea, linking the islands of Honshu and Shikoku.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Seto Ohashi Bridge system canonical | 5 |
| Honshu–Shikoku Bridge Project | 1 |
| Seto Ohashi road-rail corridor | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T574399 — 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: Seto Ohashi Bridge system Context triple: [Shikoku, connectedBy, Seto Ohashi Bridge system]
-
A.
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.
-
B.
The Japanese Bridge
The Japanese Bridge is a celebrated series of Impressionist paintings by Claude Monet depicting the arched footbridge over the water-lily pond in his garden at Giverny.
-
C.
Suramadu Bridge
Suramadu Bridge is a long cable-stayed bridge in Indonesia that connects the city of Surabaya on Java with Madura Island, serving as a major transportation and economic link.
-
D.
Hong Kong–Zhuhai–Macau Bridge
The Hong Kong–Zhuhai–Macau Bridge is a massive sea-crossing bridge–tunnel system that links Hong Kong, Zhuhai, and Macau across the Pearl River Delta and ranks among the world’s longest fixed links over water.
-
E.
Osanbashi Pier
Osanbashi Pier is Yokohama’s main international passenger terminal and a distinctive waterfront architectural landmark known for its sweeping wooden decks and panoramic harbor views.
- 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: Seto Ohashi Bridge system Target entity description: The Seto Ohashi Bridge system is a series of double-deck road-and-rail suspension and cable-stayed bridges in Japan that spans the Seto Inland Sea, linking the islands of Honshu and Shikoku.
-
A.
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.
-
B.
The Japanese Bridge
The Japanese Bridge is a celebrated series of Impressionist paintings by Claude Monet depicting the arched footbridge over the water-lily pond in his garden at Giverny.
-
C.
Suramadu Bridge
Suramadu Bridge is a long cable-stayed bridge in Indonesia that connects the city of Surabaya on Java with Madura Island, serving as a major transportation and economic link.
-
D.
Hong Kong–Zhuhai–Macau Bridge
The Hong Kong–Zhuhai–Macau Bridge is a massive sea-crossing bridge–tunnel system that links Hong Kong, Zhuhai, and Macau across the Pearl River Delta and ranks among the world’s longest fixed links over water.
-
E.
Osanbashi Pier
Osanbashi Pier is Yokohama’s main international passenger terminal and a distinctive waterfront architectural landmark known for its sweeping wooden decks and panoramic harbor views.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
bridge system
ⓘ
road–rail bridge ⓘ transport infrastructure ⓘ |
| alsoKnownAs | Great Seto Bridge ⓘ |
| bridgeType |
cable-stayed bridge
ⓘ
suspension bridge ⓘ truss bridge ⓘ |
| connects |
Honshu
ⓘ
Shikoku ⓘ |
| constructionStart | 1978 ⓘ |
| country | Japan ⓘ |
| crosses | Seto Inland Sea ⓘ |
| deckType | double-deck ⓘ |
| designedFor |
conventional railway traffic
ⓘ
high-speed road traffic ⓘ |
| hasFeature |
earthquake-resistant design
ⓘ
wind-resistant design ⓘ |
| location |
Kagawa Prefecture
NERFINISHED
ⓘ
Okayama Prefecture NERFINISHED ⓘ |
| lowerDeckCarries | railway ⓘ |
| maintainedBy | Honshu-Shikoku Bridge Expressway Company ⓘ |
| notableSpan |
Kita Bisan-Seto Bridge
ⓘ
Seto Ohashi Bridge ⓘ
surface form:
Minami Bisan-Seto Bridge
Seto Ohashi Bridge ⓘ
surface form:
Shimotsui-Seto Bridge
|
| numberOfMainBridges | 6 ⓘ |
| officialName |
Seto Ohashi Bridge
ⓘ
surface form:
Seto Ohashi
|
| opened | 1988-04-10 ⓘ |
| openedToRailTraffic | 1988 ⓘ |
| openedToRoadTraffic | 1988 ⓘ |
| partOf |
Seto Ohashi Bridge
ⓘ
surface form:
Honshu–Shikoku Bridge Project
|
| partOfRoute |
Asian Highway Network
ⓘ
surface form:
Asian Highway Network (AH1, via expressway)
|
| passesOver | Kojima Bay ⓘ |
| purpose | link Honshu and Shikoku ⓘ |
| railComponent |
Honshi-Bisan Line
ⓘ
Seto-Ōhashi Line ⓘ |
| region |
Seto Inland Sea
ⓘ
surface form:
Seto Inland Sea region
|
| roadComponent | Seto-Chuo Expressway ⓘ |
| terminusOnHonshu |
Kojima (Kurashiki)
ⓘ
surface form:
Kojima, Kurashiki, Okayama Prefecture
|
| terminusOnShikoku | Sakaide, Kagawa Prefecture ⓘ |
| toll | yes ⓘ |
| totalLength | about 13.1 km ⓘ |
| upperDeckCarries | expressway ⓘ |
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: Seto Ohashi Bridge system Description of subject: The Seto Ohashi Bridge system is a series of double-deck road-and-rail suspension and cable-stayed bridges in Japan that spans the Seto Inland Sea, linking the islands of Honshu and Shikoku.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Honshu–Shikoku Bridge Project
this entity surface form:
Seto Ohashi road-rail corridor