Tenryu River
E396430
The Tenryu River is a major river in central Japan that flows through Nagano and Shizuoka Prefectures before emptying into the Pacific Ocean, known for its strong currents and scenic gorges.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Tenryū River | 8 |
| Tenryu River canonical | 7 |
| Tenryu River system | 3 |
| Tenryū-gawa | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2916544 — 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: Tenryu River Context triple: [Japanese cruiser Tenryu, namedAfter, Tenryu River]
-
A.
Shinano River
The Shinano River is Japan’s longest river, flowing through central Honshu before emptying into the Sea of Japan.
-
B.
Okano River
The Okano River is a significant river in Gabon that serves as one of the principal tributaries feeding the Ogooué River system.
-
C.
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.
-
D.
Hozu River
The Hozu River is a scenic waterway in Kyoto Prefecture, Japan, famed for its traditional boat rides through forested gorges and views of the Arashiyama area.
-
E.
Yoshino River
The Yoshino River is one of Japan’s major rivers, renowned for its strong currents, hydroelectric dams, and scenic gorges as it flows across the island of Shikoku.
- 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: Tenryu River Target entity description: The Tenryu River is a major river in central Japan that flows through Nagano and Shizuoka Prefectures before emptying into the Pacific Ocean, known for its strong currents and scenic gorges.
-
A.
Shinano River
The Shinano River is Japan’s longest river, flowing through central Honshu before emptying into the Sea of Japan.
-
B.
Okano River
The Okano River is a significant river in Gabon that serves as one of the principal tributaries feeding the Ogooué River system.
-
C.
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.
-
D.
Hozu River
The Hozu River is a scenic waterway in Kyoto Prefecture, Japan, famed for its traditional boat rides through forested gorges and views of the Arashiyama area.
-
E.
Yoshino River
The Yoshino River is one of Japan’s major rivers, renowned for its strong currents, hydroelectric dams, and scenic gorges as it flows across the island of Shikoku.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
geographical feature
ⓘ
river ⓘ |
| country | Japan ⓘ |
| drainageBasinCountry | Japan ⓘ |
| emptiesInto | Pacific Ocean ⓘ |
| flowsDirection | generally southward ⓘ |
| flowsThrough |
Nagano Prefecture
ⓘ
Shizuoka Prefecture ⓘ |
| hasCulturalSignificance |
featured in local folklore
ⓘ
influences place names in surrounding region ⓘ |
| hasEconomicRole |
regional agriculture support
ⓘ
regional power supply ⓘ |
| hasFeature |
narrow gorges
ⓘ
numerous dams ⓘ rapids ⓘ steep gradient in many sections ⓘ |
| hasHazard |
dangerous rapids for navigation
ⓘ
flooding risk in lower reaches ⓘ |
| hasJapaneseName | 天竜川 ⓘ |
| hasMouthNear | Enshunada Sea ⓘ |
| hasRecreationalUse |
fishing
ⓘ
river boating ⓘ sightseeing cruises ⓘ |
| isMajorTributaryOf | Enshunada coastal system of the Pacific Ocean ⓘ |
| isManagedBy | Japanese river authorities ⓘ |
| isNotableAs | one of the major rivers of central Japan ⓘ |
| isPartOf | Pacific Ocean watershed of Honshu ⓘ |
| knownFor |
scenic gorges
ⓘ
strong currents ⓘ |
| locatedIn | central Japan ⓘ |
| locatedOnIsland | Honshu ⓘ |
| mouthRegion | Shizuoka Prefecture ⓘ |
| nameMeaning | Heavenly Dragon River ⓘ |
| passesNear |
Hamamatsu, Shizuoka
ⓘ
linked to:
Hamamatsu, Shizuoka, Japan
Iida, Nagano ⓘ |
| region |
Chubu region
ⓘ
linked to:
Chūbu region
Tokai region ⓘ
linked to:
Tōkai region
|
| romanization |
Tenryū-gawa
ⓘ
linked to:
Tenryu River
|
| sourceRegion | Nagano Prefecture ⓘ |
| usedFor |
hydroelectric power generation
ⓘ
irrigation ⓘ river transport (historically) ⓘ |
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: Tenryu River Description of subject: The Tenryu River is a major river in central Japan that flows through Nagano and Shizuoka Prefectures before emptying into the Pacific Ocean, known for its strong currents and scenic gorges.
Referenced by (19)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Tenryu River
subject linked to:
Shizuoka Prefecture, Japan
subject linked to:
Hamamatsu, Shizuoka, Japan
linked to: Tenryu River
linked to: Tenryu River
linked to: Tenryu River
linked to: Tenryu River
linked to: Tenryu River
linked to: Tenryu River
linked to: Tenryu River
linked to: Tenryu River