Eitai Bridge
E786794
Eitai Bridge is a historic steel arch bridge in Tokyo, Japan, known for spanning the Sumida River and its scenic night illumination.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Eitai Bridge canonical | 3 |
| Eitai Bridge (wooden, collapsed 1807) | 1 |
| wooden Eitai Bridge | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9223486 — 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: Eitai Bridge Context triple: [Sumida River, hasBridge, Eitai Bridge]
-
A.
Hamahiga Bridge
Hamahiga Bridge is a coastal bridge in Uruma, Okinawa, Japan, known for connecting the main island to Hamahiga Island and offering scenic ocean views.
-
B.
Hakucho Bridge
Hakucho Bridge is a prominent suspension bridge in Muroran, Hokkaido, known for its impressive span and night illumination across Muroran Bay.
-
C.
Ōnaruto Bridge
Ōnaruto Bridge is a large suspension bridge in Japan that spans the Naruto Strait, famous for views of the Naruto whirlpools and for linking Shikoku with Awaji Island.
-
D.
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.
-
E.
Okryu Bridge
Okryu Bridge is a major road bridge spanning the Taedong River in central Pyongyang, North Korea, known for its proximity to key city landmarks and scenic river 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: Eitai Bridge Target entity description: Eitai Bridge is a historic steel arch bridge in Tokyo, Japan, known for spanning the Sumida River and its scenic night illumination.
-
A.
Hamahiga Bridge
Hamahiga Bridge is a coastal bridge in Uruma, Okinawa, Japan, known for connecting the main island to Hamahiga Island and offering scenic ocean views.
-
B.
Hakucho Bridge
Hakucho Bridge is a prominent suspension bridge in Muroran, Hokkaido, known for its impressive span and night illumination across Muroran Bay.
-
C.
Ōnaruto Bridge
Ōnaruto Bridge is a large suspension bridge in Japan that spans the Naruto Strait, famous for views of the Naruto whirlpools and for linking Shikoku with Awaji Island.
-
D.
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.
-
E.
Okryu Bridge
Okryu Bridge is a major road bridge spanning the Taedong River in central Pyongyang, North Korea, known for its proximity to key city landmarks and scenic river views.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
bridge
ⓘ
historic structure ⓘ steel arch bridge ⓘ |
| connects |
Chūō ward
ⓘ
linked to:
Chūō-ku
Koto ward ⓘ
linked to:
Koto Ward
|
| country | Japan ⓘ |
| crosses | Sumida River ⓘ |
| designer | Tokyo City government engineers ⓘ |
| hasCategory |
Arch bridges in Japan
ⓘ
Bridges in Tokyo ⓘ Bridges over the Sumida River ⓘ Steel bridges in Japan ⓘ |
| hasFeature |
night illumination
ⓘ
pedestrian walkways ⓘ roadway for motor vehicles ⓘ |
| hasJapaneseName | 永代橋 ⓘ |
| hasPredecessor |
Eitai Bridge (wooden, collapsed 1807)
ⓘ
linked to:
Eitai Bridge
|
| heritageStatus | recognized as a historic bridge of Tokyo ⓘ |
| knownFor |
scenic night views
ⓘ
view of Sumida River ⓘ view of Tokyo skyline ⓘ |
| languageOfName | Japanese ⓘ |
| length | approximately 186 meters ⓘ |
| lightingColor | blue-toned illumination (typical) ⓘ |
| lightingType | decorative illumination ⓘ |
| locatedIn |
Chūō, Tokyo
ⓘ
Japan National Route 10 (historical route context) ⓘ Koto, Tokyo ⓘ Sumida River basin ⓘ Tokyo ⓘ |
| locatedNear |
Eitai-dori Avenue
ⓘ
linked to:
Harumi-dori Avenue
Monzen-nakachō area ⓘ Sumiyoshi Bridge (Tokyo) ⓘ |
| maintainedBy | Tokyo Metropolitan Government ⓘ |
| material | steel ⓘ |
| opened | 1926 ⓘ |
| partOf | Tokyo road network ⓘ |
| photoSubject | popular spot for night photography ⓘ |
| precededBy |
wooden Eitai Bridge
ⓘ
linked to:
Eitai Bridge
|
| reconstructedAfter |
Great Kantō earthquake
ⓘ
linked to:
Great Kanto earthquake
|
| riverBank |
Chūō side
ⓘ
Koto side ⓘ |
| structureType | through arch bridge ⓘ |
| tourismAttraction | yes ⓘ |
| usedFor |
cycling
ⓘ
pedestrian traffic ⓘ vehicular traffic ⓘ |
| width | approximately 22 meters ⓘ |
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: Eitai Bridge Description of subject: Eitai Bridge is a historic steel arch bridge in Tokyo, Japan, known for spanning the Sumida River and its scenic night illumination.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Eitai Bridge
linked to: Eitai Bridge