Ryogoku Bridge
E789235
Ryogoku Bridge is a historic bridge in Tokyo, Japan, long known as a bustling cultural and commercial landmark spanning the Sumida River.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Sumida River bridges | 3 |
| Ryogoku Bridge canonical | 1 |
| Ryōgoku Bridge | 1 |
| Ryōgoku-bashi | 1 |
| Sumida River crossings | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9223488 — 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: Ryogoku Bridge Context triple: [Sumida River, hasBridge, Ryogoku Bridge]
-
A.
Togetsukyo Bridge
Togetsukyo Bridge is a historic and scenic wooden bridge in Kyoto’s Arashiyama district, famous for its picturesque views of seasonal foliage and cherry blossoms.
-
B.
Nihonbashi Bridge
Nihonbashi Bridge is a historic stone arch bridge in central Tokyo that has long served as Japan’s traditional kilometer zero and a key commercial and cultural landmark.
-
C.
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.
-
D.
Yerawada Bridge
Yerawada Bridge is a major road bridge in Pune, India, serving as an important connection across the Mula River between key city localities.
-
E.
Kiyosu Bridge
Kiyosu Bridge is a historic steel suspension bridge in Tokyo, Japan, known for its elegant design and resemblance to Germany’s Cologne Bridge.
- 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: Ryogoku Bridge Target entity description: Ryogoku Bridge is a historic bridge in Tokyo, Japan, long known as a bustling cultural and commercial landmark spanning the Sumida River.
-
A.
Togetsukyo Bridge
Togetsukyo Bridge is a historic and scenic wooden bridge in Kyoto’s Arashiyama district, famous for its picturesque views of seasonal foliage and cherry blossoms.
-
B.
Nihonbashi Bridge
Nihonbashi Bridge is a historic stone arch bridge in central Tokyo that has long served as Japan’s traditional kilometer zero and a key commercial and cultural landmark.
-
C.
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.
-
D.
Yerawada Bridge
Yerawada Bridge is a major road bridge in Pune, India, serving as an important connection across the Mula River between key city localities.
-
E.
Kiyosu Bridge
Kiyosu Bridge is a historic steel suspension bridge in Tokyo, Japan, known for its elegant design and resemblance to Germany’s Cologne Bridge.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | bridge ⓘ |
| appearsIn |
Edo-period woodblock prints
ⓘ
ukiyo-e prints ⓘ |
| builtDuring | Edo period ⓘ |
| connects |
Chūō ward
ⓘ
linked to:
Chūō-ku
Sumida ward ⓘ |
| country | Japan ⓘ |
| crosses | Sumida River ⓘ |
| culturalStatus | historic landmark of Tokyo ⓘ |
| currentStructure | 20th-century reconstruction ⓘ |
| depictedBy |
Katsushika Hokusai
ⓘ
Utagawa Hiroshige ⓘ |
| function | road bridge ⓘ |
| hasCategory |
Bridges in Tokyo
ⓘ
Bridges over the Sumida River ⓘ Tourist attractions in Tokyo ⓘ |
| hasHeritage | symbol of Edo-period urban life ⓘ |
| hasJapaneseName | 両国橋 ⓘ |
| hasNameMeaning | "bridge of the two provinces" ⓘ |
| hasRomanizedName |
Ryōgoku-bashi
ⓘ
linked to:
Ryogoku Bridge
|
| knownFor |
bustling cultural activity
ⓘ
commercial activity ⓘ fireworks viewing ⓘ nighttime festivities in the Edo period ⓘ views of the Sumida River ⓘ |
| locatedIn |
Edo period Tokyo (historical)
ⓘ
Honshu ⓘ Kantō region ⓘ Ryogoku district ⓘ
linked to:
Ryōgoku district
Sumida, Tokyo ⓘ
linked to:
Sumida, Tokyo, Japan
Tokyo ⓘ |
| nameRefersTo | border between Musashi and Shimōsa provinces ⓘ |
| near |
Asakusabashi area
ⓘ
Edo-Tokyo Museum ⓘ Ryogoku Kokugikan ⓘ
linked to:
Ryōgoku Kokugikan
|
| opened | 1661 ⓘ |
| partOf |
Sumida River bridge network
ⓘ
linked to:
Sumiyoshi Bridge (Tokyo)
|
| reconstructed | multiple times ⓘ |
| reconstructedAfter |
1923 Great Kantō earthquake
ⓘ
linked to:
Great Kanto earthquake
fires in Edo period ⓘ |
| riverBank |
east bank of Sumida River
ⓘ
west bank of Sumida River ⓘ |
| significance |
important commercial hub in Edo
ⓘ
major crossing of the Sumida River in Edo ⓘ popular entertainment area in Edo ⓘ |
| usedFor |
pedestrian traffic
ⓘ
vehicular traffic ⓘ |
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: Ryogoku Bridge Description of subject: Ryogoku Bridge is a historic bridge in Tokyo, Japan, long known as a bustling cultural and commercial landmark spanning the Sumida River.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Ryogoku Bridge
linked to: Ryogoku Bridge
linked to: Ryogoku Bridge
linked to: Ryogoku Bridge
linked to: Ryogoku Bridge
linked to: Ryogoku Bridge