Kotoni-Hassamu River
E823979
The Kotoni-Hassamu River is an urban waterway flowing through the Nishi ward of Sapporo in Hokkaido, Japan, known for its role in local flood control and as a recreational riverside area.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Kotoni-Hassamu River canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9035510 — 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: Kotoni-Hassamu River Context triple: [Nishi-ku, Sapporo, hasRiver, Kotoni-Hassamu River]
-
A.
Shigenobu River
Shigenobu River is a major river in Ehime Prefecture on Japan’s Shikoku Island, flowing through the city of Matsuyama and playing an important role in its landscape and water supply.
-
B.
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.
-
C.
Yamakuni River
The Yamakuni River is a significant river in Kyushu, Japan, flowing through Ōita Prefecture and influencing the development and landscape of cities such as Nakatsu.
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D.
Hatsuse River
The Hatsuse River is a historically significant river in Japan’s Nara region, long associated with ancient Yamato culture and early Japanese poetry.
-
E.
Higuamo River
The Higuamo River is a significant waterway in the Dominican Republic that flows through the eastern region and supports local communities and industry along its banks.
- 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: Kotoni-Hassamu River Target entity description: The Kotoni-Hassamu River is an urban waterway flowing through the Nishi ward of Sapporo in Hokkaido, Japan, known for its role in local flood control and as a recreational riverside area.
-
A.
Shigenobu River
Shigenobu River is a major river in Ehime Prefecture on Japan’s Shikoku Island, flowing through the city of Matsuyama and playing an important role in its landscape and water supply.
-
B.
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.
-
C.
Yamakuni River
The Yamakuni River is a significant river in Kyushu, Japan, flowing through Ōita Prefecture and influencing the development and landscape of cities such as Nakatsu.
-
D.
Hatsuse River
The Hatsuse River is a historically significant river in Japan’s Nara region, long associated with ancient Yamato culture and early Japanese poetry.
-
E.
Higuamo River
The Higuamo River is a significant waterway in the Dominican Republic that flows through the eastern region and supports local communities and industry along its banks.
- F. None of above. chosen
Statements (27)
| Predicate | Object |
|---|---|
| instanceOf |
river
ⓘ
urban waterway ⓘ |
| city | Sapporo ⓘ |
| continent | Asia ⓘ |
| country | Japan ⓘ |
| environment | urban ⓘ |
| flowsThrough |
Nishi ward
ⓘ
Sapporo ⓘ |
| hasFeature |
embankments
ⓘ
flood control channels ⓘ riverside green space ⓘ riverside walking paths ⓘ |
| isPartOf |
Ishikari River system
ⓘ
linked to:
Ishikari River
|
| knownFor |
local flood control role
ⓘ
recreational riverside area ⓘ |
| locatedIn |
Hokkaido
ⓘ
Hokkaido Prefecture ⓘ
linked to:
Hokkaido
Ishikari Plain ⓘ Ishikari Subprefecture ⓘ Japan ⓘ Nishi ward ⓘ Sapporo ⓘ |
| locatedInTimeZone | Japan Standard Time ⓘ |
| region | Hokkaido ⓘ |
| use |
flood control
ⓘ
recreation ⓘ |
| watercourseType | channelized 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: Kotoni-Hassamu River Description of subject: The Kotoni-Hassamu River is an urban waterway flowing through the Nishi ward of Sapporo in Hokkaido, Japan, known for its role in local flood control and as a recreational riverside area.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.