Chikuma River
E1533324
UNEXPLORED
The Chikuma River, also known downstream as the Shinano River, is Japan’s longest river, flowing through Nagano Prefecture before emptying into the Sea of Japan.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Chikuma River canonical | 6 |
How this entity was disambiguated
This entity first appeared as the object of triple T18559307 — 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: Chikuma River Context triple: [Ueda, locatedOnRiver, Chikuma River]
-
A.
Kumagawa River
Kumagawa River is a major river in Japan’s Kyushu region known for its fast currents, scenic gorges, and frequent flooding.
-
B.
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.
-
C.
Tenryu River
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.
-
D.
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.
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E.
Iruma River
The Iruma River is a river in Japan that flows through Saitama Prefecture and joins the larger Arakawa River system.
- 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: Chikuma River Target entity description: The Chikuma River, also known downstream as the Shinano River, is Japan’s longest river, flowing through Nagano Prefecture before emptying into the Sea of Japan.
-
A.
Kumagawa River
Kumagawa River is a major river in Japan’s Kyushu region known for its fast currents, scenic gorges, and frequent flooding.
-
B.
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.
-
C.
Tenryu River
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.
-
D.
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.
-
E.
Iruma River
The Iruma River is a river in Japan that flows through Saitama Prefecture and joins the larger Arakawa River system.
- F. None of above. chosen
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.