Kumagawa River
E863057
Kumagawa River is a major river in Japan’s Kyushu region known for its fast currents, scenic gorges, and frequent flooding.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Kumagawa River canonical | 2 |
| Kumagawa River system | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9319487 — 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: Kumagawa River Context triple: [Kumamoto Prefecture, contains, Kumagawa River]
-
A.
Kamogawa River
The Kamogawa River is a prominent river flowing through Kyoto, Japan, known for its scenic banks lined with traditional teahouses, restaurants, and popular walking paths.
-
B.
Inagawa River
The Inagawa River is a river in Japan’s Kansai region that flows through Hyōgo Prefecture, including the city of Amagasaki, before emptying into Osaka Bay.
-
C.
Yoshida River
The Yoshida River is a significant waterway flowing through Japan’s Miyagi Prefecture, contributing to the region’s natural landscape and local ecosystems.
-
D.
Kitayama River
The Kitayama River is a significant river in Japan’s Kii Peninsula, known for its scenic gorges and traditional log rafting activities.
-
E.
Mukogawa River
The Mukogawa River is a prominent river in Japan’s Hyōgo Prefecture that flows through cities such as Nishinomiya before emptying into Osaka Bay.
- 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: Kumagawa River Target entity description: Kumagawa River is a major river in Japan’s Kyushu region known for its fast currents, scenic gorges, and frequent flooding.
-
A.
Kamogawa River
The Kamogawa River is a prominent river flowing through Kyoto, Japan, known for its scenic banks lined with traditional teahouses, restaurants, and popular walking paths.
-
B.
Inagawa River
The Inagawa River is a river in Japan’s Kansai region that flows through Hyōgo Prefecture, including the city of Amagasaki, before emptying into Osaka Bay.
-
C.
Yoshida River
The Yoshida River is a significant waterway flowing through Japan’s Miyagi Prefecture, contributing to the region’s natural landscape and local ecosystems.
-
D.
Kitayama River
The Kitayama River is a significant river in Japan’s Kii Peninsula, known for its scenic gorges and traditional log rafting activities.
-
E.
Mukogawa River
The Mukogawa River is a prominent river in Japan’s Hyōgo Prefecture that flows through cities such as Nishinomiya before emptying into Osaka Bay.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
flood
ⓘ
river ⓘ river gorge ⓘ |
| country |
Japan
ⓘ
Japan ⓘ |
| environmentalIssue |
flood control
ⓘ
sediment management ⓘ |
| floodEvent | July 2020 Kumagawa River floods ⓘ |
| flowsInto | Yatsushiro Sea ⓘ |
| formedBy | Kumagawa River ⓘ |
| hasBasinCountry | Japan ⓘ |
| hasCharacteristic |
rapid flow
ⓘ
steep gradient ⓘ |
| hasFloodplain | Hitoyoshi Basin floodplain ⓘ |
| hasManagementAuthority |
Japanese national government
ⓘ
linked to:
Government of Japan
Kumamoto Prefectural Government ⓘ |
| hasRisk |
flooding
ⓘ
landslide-related disasters ⓘ |
| hasTributary |
Kawabe River
ⓘ
Mune River ⓘ |
| hasUse |
fishing
ⓘ
recreation ⓘ |
| hasValley | Kumagawa Gorge ⓘ |
| isMajorRiverOf | Kyushu ⓘ |
| knownFor |
fast currents
ⓘ
frequent flooding ⓘ scenic gorges ⓘ |
| languageOfName | Japanese ⓘ |
| locatedIn |
Hitoyoshi Basin
ⓘ
Kumamoto Prefecture NERFINISHED ⓘ Kyushu ⓘ |
| location | Kumagawa River basin ⓘ |
| mouthLocation | Yatsushiro Sea ⓘ |
| nameInJapanese | 球磨川 ⓘ |
| partOf |
Kumagawa River system
ⓘ
linked to:
Kumagawa River
|
| passesThrough |
Hitoyoshi City
ⓘ
Yatsushiro City ⓘ |
| region |
southern Kyushu
ⓘ
linked to:
South Kyushu
|
| sourceLocation | Kumamoto Prefecture NERFINISHED ⓘ |
| touristActivity |
boat cruises
ⓘ
river rafting ⓘ |
| usedFor |
hydropower generation
ⓘ
inland navigation in some sections ⓘ irrigation ⓘ tourism ⓘ |
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: Kumagawa River Description of subject: Kumagawa River is a major river in Japan’s Kyushu region known for its fast currents, scenic gorges, and frequent flooding.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.