Nihonbashi River
E573662
The Nihonbashi River is a historic urban waterway in central Tokyo that has long served as an important commercial and transportation artery for the city.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Nihonbashi River canonical | 6 |
| Kyōbashi River | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6104258 — 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: Nihonbashi River Context triple: [Chūō, Tokyo, Japan, traversedBy, Nihonbashi River]
-
A.
Sumida River
The Sumida River is a historically significant river flowing through central Tokyo, known for its scenic bridges, cherry blossoms, and cultural prominence in Japanese art and literature.
-
B.
Meguro River
The Meguro River is a well-known urban river in Tokyo, Japan, famous for its picturesque cherry blossom-lined banks that attract many visitors during spring.
-
C.
Sumida
Sumida is a special ward in Tokyo, Japan, known for landmarks such as the Tokyo Skytree and its traditional shitamachi neighborhoods.
-
D.
Minamishinagawa
Minamishinagawa is a neighborhood in Tokyo’s Shinagawa ward known for its mix of residential streets, local shops, and proximity to major transport hubs.
-
E.
Neyagawa River
The Neyagawa River is a waterway in Osaka Prefecture, Japan, that flows through urban areas such as Higashiōsaka and plays a role in local drainage and flood control.
- 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: Nihonbashi River Target entity description: The Nihonbashi River is a historic urban waterway in central Tokyo that has long served as an important commercial and transportation artery for the city.
-
A.
Sumida River
The Sumida River is a historically significant river flowing through central Tokyo, known for its scenic bridges, cherry blossoms, and cultural prominence in Japanese art and literature.
-
B.
Meguro River
The Meguro River is a well-known urban river in Tokyo, Japan, famous for its picturesque cherry blossom-lined banks that attract many visitors during spring.
-
C.
Sumida
Sumida is a special ward in Tokyo, Japan, known for landmarks such as the Tokyo Skytree and its traditional shitamachi neighborhoods.
-
D.
Minamishinagawa
Minamishinagawa is a neighborhood in Tokyo’s Shinagawa ward known for its mix of residential streets, local shops, and proximity to major transport hubs.
-
E.
Neyagawa River
The Neyagawa River is a waterway in Osaka Prefecture, Japan, that flows through urban areas such as Higashiōsaka and plays a role in local drainage and flood control.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| adjacentTo |
Nihonbashi district
ⓘ
business districts of central Tokyo ⓘ |
| basinCountry | Japan ⓘ |
| cityServed |
Edo
ⓘ
Tokyo ⓘ |
| connectedTo |
Kanda River
ⓘ
Sumida River ⓘ |
| country | Japan ⓘ |
| crossedBy |
Nihonbashi Bridge
ⓘ
multiple road bridges ⓘ |
| currentUse |
limited commercial navigation
ⓘ
tourist boat cruises ⓘ |
| environmentalIssue | covered by elevated expressway ⓘ |
| flowsDirection | generally eastward ⓘ |
| flowsThrough | central Tokyo ⓘ |
| governedBy | Tokyo Metropolitan Government ⓘ |
| hasCoordinateSystem | geographic coordinates ⓘ |
| hasCulturalSignificance |
featured in ukiyo-e prints
ⓘ
symbol of Edo-period commerce ⓘ |
| hasInfrastructure |
concrete embankments
ⓘ
flood control structures ⓘ |
| hasJapaneseName | 日本橋川 ⓘ |
| hasPart | Nihonbashi Bridge ⓘ |
| historicalEra | Edo period ⓘ |
| historicalUse |
commercial transport route
ⓘ
logistics artery for Edo ⓘ shipping route ⓘ |
| length | approximately 4.8 kilometers ⓘ |
| locatedIn |
Chiyoda, Tokyo
ⓘ
Chūō, Tokyo ⓘ Tokyo ⓘ |
| locatedInTimeZone | Japan Standard Time ⓘ |
| locatedNear |
Otemachi business district
ⓘ
linked to:
Otemachi
Tokyo Station ⓘ |
| locatedUnder | Shuto Expressway ⓘ |
| mouthOfWatercourse | Sumida River ⓘ |
| nameLanguage | Japanese ⓘ |
| partOf |
Sumida River basin
ⓘ
linked to:
Sumida River
Tokyo river system ⓘ |
| subjectOf |
expressway relocation proposals
ⓘ
urban renewal discussions ⓘ |
| transportFunction |
canal-like river
ⓘ
urban waterway ⓘ |
| tributaryOf | Sumida River ⓘ |
| waterBodyType | tidal river ⓘ |
| watercourseOrigin | Kanda River ⓘ |
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: Nihonbashi River Description of subject: The Nihonbashi River is a historic urban waterway in central Tokyo that has long served as an important commercial and transportation artery for the city.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Nihonbashi River
linked to: Nihonbashi River