Hakucho Bridge
E324362
Hakucho Bridge is a prominent suspension bridge in Muroran, Hokkaido, known for its impressive span and night illumination across Muroran Bay.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Hakucho Bridge canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2984584 — 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: Hakucho Bridge Context triple: [Muroran, hasLandmark, Hakucho Bridge]
-
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.
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.
-
C.
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.
-
D.
Nijūbashi Bridge
Nijūbashi Bridge is a famous pair of arched bridges at the main entrance to Tokyo’s Imperial Palace, known as one of Japan’s most iconic and photographed landmarks.
-
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: Hakucho Bridge Target entity description: Hakucho Bridge is a prominent suspension bridge in Muroran, Hokkaido, known for its impressive span and night illumination across Muroran Bay.
-
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.
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.
-
C.
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.
-
D.
Nijūbashi Bridge
Nijūbashi Bridge is a famous pair of arched bridges at the main entrance to Tokyo’s Imperial Palace, known as one of Japan’s most iconic and photographed landmarks.
-
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 (44)
| Predicate | Object |
|---|---|
| instanceOf |
road bridge
ⓘ
suspension bridge ⓘ |
| bridgeType | steel suspension bridge ⓘ |
| carries |
motor vehicles
ⓘ
pedestrians ⓘ |
| color | white ⓘ |
| constructionMaterial | steel ⓘ |
| country | Japan ⓘ |
| crosses |
Hakodate Line industrial port approach (Muroran Bay)
ⓘ
linked to:
Port of Muroran
Muroran Bay ⓘ |
| designedFor | resistance to strong coastal winds ⓘ |
| engineeringCategory | long-span suspension bridge ⓘ |
| function | connects central Muroran with the Port of Muroran area ⓘ |
| hasFeature |
illuminated cables and towers
ⓘ
pedestrian walkway ⓘ |
| lightingFeature | decorative night lighting ⓘ |
| locatedIn |
Hokkaido
ⓘ
Japan ⓘ Muroran ⓘ |
| locatedNear |
Cape Chikyu area
ⓘ
Muroran Port ⓘ
linked to:
Port of Muroran
|
| locatedOn |
Muroran Bay coast
ⓘ
linked to:
Muroran Bay
|
| mainSpanLength | 720 m ⓘ |
| maintainedBy |
Government of Japan
ⓘ
Hokkaido Development Bureau ⓘ
linked to:
Hokkaido Development Agency of Japan
|
| municipality |
Muroran City
ⓘ
linked to:
Muroran, Hokkaido
|
| nameMeaning | "Hakuchō" means "swan" in Japanese ⓘ |
| notableFor |
long main span
ⓘ
night illumination ⓘ |
| numberOfTowers | 2 ⓘ |
| officialName | Hakuchō Ōhashi NERFINISHED ⓘ |
| opened |
1998
ⓘ
1998-06-13 ⓘ |
| partOf |
Hakucho Bridge Route
ⓘ
linked to:
Shimanami Kaido
Hokkaido road network ⓘ |
| region |
Hokkaido Prefecture
ⓘ
linked to:
Hokkaido
|
| roadConfiguration | 4-lane road ⓘ |
| symbolOf |
Muroran Bay coastal landscape
ⓘ
Muroran City ⓘ
linked to:
Muroran, Hokkaido
|
| tollStatus | toll-free ⓘ |
| totalLength | 1380 m ⓘ |
| tourismAttraction | yes ⓘ |
| usage | regional transportation link ⓘ |
| viewpointFor | Muroran industrial area night view ⓘ |
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: Hakucho Bridge Description of subject: Hakucho Bridge is a prominent suspension bridge in Muroran, Hokkaido, known for its impressive span and night illumination across Muroran Bay.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.