Toyohira River
E811006
The Toyohira River is a major waterway flowing through Sapporo in Hokkaido, Japan, known for its role in the city's landscape, recreation, and seasonal festivals.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Toyohira River canonical | 11 |
How this entity was disambiguated
This entity first appeared as the object of triple T8846556 — 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: Toyohira River Context triple: [Toyohira-ku, Sapporo, locatedOnRiver, Toyohira River]
-
A.
Motoyasu River
The Motoyasu River is a river flowing through central Hiroshima, Japan, known for running beside the Atomic Bomb Dome and Hiroshima Peace Memorial Park.
-
B.
Asakawa River
Asakawa River is a river in Tokyo, Japan, that flows through the city of Hachiōji and serves as a local natural and recreational area.
-
C.
Shinmachi River
The Shinmachi River is a central waterway flowing through Tokushima City in Japan, known for its riverside promenades, sightseeing cruises, and role in local festivals.
-
D.
Yoshii River
The Yoshii River is a significant river in Japan that serves as one of the main tributaries feeding the larger Shinano River system.
-
E.
Yoshii River
The Yoshii River is a significant river in Okayama Prefecture, Japan, known for flowing through several cities and supporting local agriculture and ecosystems before emptying into the Seto Inland Sea.
- 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: Toyohira River Target entity description: The Toyohira River is a major waterway flowing through Sapporo in Hokkaido, Japan, known for its role in the city's landscape, recreation, and seasonal festivals.
-
A.
Motoyasu River
The Motoyasu River is a river flowing through central Hiroshima, Japan, known for running beside the Atomic Bomb Dome and Hiroshima Peace Memorial Park.
-
B.
Asakawa River
Asakawa River is a river in Tokyo, Japan, that flows through the city of Hachiōji and serves as a local natural and recreational area.
-
C.
Shinmachi River
The Shinmachi River is a central waterway flowing through Tokushima City in Japan, known for its riverside promenades, sightseeing cruises, and role in local festivals.
-
D.
Yoshii River
The Yoshii River is a significant river in Japan that serves as one of the main tributaries feeding the larger Shinano River system.
-
E.
Yoshii River
The Yoshii River is a significant river in Okayama Prefecture, Japan, known for flowing through several cities and supporting local agriculture and ecosystems before emptying into the Seto Inland Sea.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry | Japan ⓘ |
| city | Sapporo ⓘ |
| continent | Asia ⓘ |
| country | Japan ⓘ |
| crossedBy |
Minami-Ohashi Bridge
ⓘ
Toyohira Ohashi Bridge ⓘ numerous road bridges in Sapporo ⓘ railway bridges of Sapporo Municipal Subway ⓘ |
| flowsInto | Ishikari River ⓘ |
| flowsThrough | Sapporo ⓘ |
| hasAdjacentFacility |
Toyohira River Green Belt parks
ⓘ
linked to:
Toyohira Park
sports grounds along riverbanks ⓘ |
| hasSeasonalEvent |
Toyohira River Fireworks Festival
ⓘ
summer river festivals in Sapporo ⓘ |
| hasStructure |
Hoheikyo Dam
ⓘ
Jozankei Dam ⓘ
linked to:
Jōzankei Dam
Sapporo City Toyohira River flood control facilities ⓘ |
| isMajorWaterwayOf | Sapporo ⓘ |
| isTributaryOf | Ishikari River ⓘ |
| JapaneseName | 豊平川 ⓘ |
| knownFor |
cherry blossom viewing spots
ⓘ
cycling paths ⓘ fireworks displays ⓘ riverside parks ⓘ role in Sapporo cityscape ⓘ seasonal festivals ⓘ |
| length | approximately 72 kilometers ⓘ |
| locatedIn |
Hokkaido
ⓘ
Sapporo ⓘ |
| mouthLocation | Ishikari River ⓘ |
| passesThroughWard |
Chuo-ku, Sapporo
ⓘ
linked to:
Chūō-ku, Sapporo
Shiroishi-ku, Sapporo ⓘ Toyohira-ku, Sapporo ⓘ |
| prefecture | Hokkaido ⓘ |
| region | Ishikari Subprefecture ⓘ |
| riverSystem |
Ishikari River system
ⓘ
linked to:
Ishikari River
|
| roleInCity |
contributes to Sapporo’s urban landscape
ⓘ
forms part of Sapporo’s flood control system ⓘ serves as a venue for community events ⓘ |
| sourceLocation |
Mount Oizuru
ⓘ
mountainous area of Hokkaido ⓘ |
| usedFor |
fishing
ⓘ
hydroelectric power generation ⓘ kayaking ⓘ rafting ⓘ recreation ⓘ urban water supply ⓘ |
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: Toyohira River Description of subject: The Toyohira River is a major waterway flowing through Sapporo in Hokkaido, Japan, known for its role in the city's landscape, recreation, and seasonal festivals.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.