Jōganji River
E807100
The Jōganji River is a prominent river in Toyama Prefecture, Japan, known for its steep gradient, rapid flow, and extensive flood control works.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Jōganji River canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8777923 — 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: Jōganji River Context triple: [Toyama, majorRiver, Jōganji 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.
Warashina River
Warashina River is a regional river in Shizuoka Prefecture, Japan, that flows through Shizuoka City and contributes to its local watershed and landscape.
-
C.
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.
-
D.
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.
-
E.
Dokawa River
Dokawa River is a river flowing through the city of Fukuchiyama in Kyoto Prefecture, Japan.
- 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: Jōganji River Target entity description: The Jōganji River is a prominent river in Toyama Prefecture, Japan, known for its steep gradient, rapid flow, and extensive flood control works.
-
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.
Warashina River
Warashina River is a regional river in Shizuoka Prefecture, Japan, that flows through Shizuoka City and contributes to its local watershed and landscape.
-
C.
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.
-
D.
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.
-
E.
Dokawa River
Dokawa River is a river flowing through the city of Fukuchiyama in Kyoto Prefecture, Japan.
- F. None of above. chosen
Statements (33)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry | Japan NERFINISHED ⓘ |
| country | Japan ⓘ |
| drainageBasin | Toyama Prefecture NERFINISHED ⓘ |
| flowsInto |
Sea of Japan
NERFINISHED
ⓘ
Toyama Bay NERFINISHED ⓘ |
| hasCharacteristic |
historically flood-prone
ⓘ
short and steep mountain river ⓘ subject to debris flows ⓘ |
| hasEconomicImpact | flood risk management in Toyama Prefecture ⓘ |
| hasFloodControl |
dams
ⓘ
levees ⓘ sabo works ⓘ sediment control dams ⓘ |
| hasJapaneseName | 常願寺川 ⓘ |
| hasLanguage | Japanese ⓘ |
| hasSourceLocation |
Hida Mountains
NERFINISHED
ⓘ
Northern Japanese Alps NERFINISHED ⓘ |
| hasValley | Jōganji River valley NERFINISHED ⓘ |
| knownFor |
extensive flood control works
ⓘ
rapid flow ⓘ steep gradient ⓘ |
| locatedIn |
Chūbu region
NERFINISHED
ⓘ
Toyama Prefecture NERFINISHED ⓘ |
| locatedOn | Honshu ⓘ |
| mouthLocation | Toyama City NERFINISHED ⓘ |
| near | Tateyama NERFINISHED ⓘ |
| partOf | rivers of Japan ⓘ |
| region | Toyama Plain NERFINISHED ⓘ |
| riverSystem | Jōganji River system ⓘ |
| usedFor |
hydroelectric power generation
ⓘ
irrigation ⓘ 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: Jōganji River Description of subject: The Jōganji River is a prominent river in Toyama Prefecture, Japan, known for its steep gradient, rapid flow, and extensive flood control works.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.