Yamato River
E152820
The Yamato River is a major river in Japan’s Kansai region that flows through Nara and Osaka Prefectures before emptying into Osaka Bay.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Yamato River canonical | 2 |
| Yamato River basin | 1 |
| Yamato River system | 1 |
| 大和川 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1164730 — 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: Yamato River Context triple: [Higashiōsaka, hasRiver, Yamato River]
-
A.
Shinano River
The Shinano River is Japan’s longest river, flowing through central Honshu before emptying into the Sea of Japan.
-
B.
Furan River
The Furan River is a watercourse in eastern France that flows through the Loire department and the city of Saint-Étienne before joining the Ain River.
-
C.
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.
-
D.
Kumano River
The Kumano River is a major waterway in Japan’s Kii Peninsula, famed for its scenic gorges, cultural significance to the Kumano Kodo pilgrimage routes, and opportunities for rafting and nature tourism.
-
E.
Katsura River
The Katsura River is a scenic river in Japan’s Kyoto Prefecture, famed for flowing through the Arashiyama district and its picturesque bridges, cherry blossoms, and traditional boat rides.
- 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: Yamato River Target entity description: The Yamato River is a major river in Japan’s Kansai region that flows through Nara and Osaka Prefectures before emptying into Osaka Bay.
-
A.
Shinano River
The Shinano River is Japan’s longest river, flowing through central Honshu before emptying into the Sea of Japan.
-
B.
Furan River
The Furan River is a watercourse in eastern France that flows through the Loire department and the city of Saint-Étienne before joining the Ain River.
-
C.
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.
-
D.
Kumano River
The Kumano River is a major waterway in Japan’s Kii Peninsula, famed for its scenic gorges, cultural significance to the Kumano Kodo pilgrimage routes, and opportunities for rafting and nature tourism.
-
E.
Katsura River
The Katsura River is a scenic river in Japan’s Kyoto Prefecture, famed for flowing through the Arashiyama district and its picturesque bridges, cherry blossoms, and traditional boat rides.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
geographical feature
ⓘ
river ⓘ |
| basinCountry | Japan ⓘ |
| belongsTo | Osaka Bay coastal rivers ⓘ |
| country | Japan ⓘ |
| crossesPrefectureBoundaryBetween |
Nara Prefecture
NERFINISHED
ⓘ
Osaka Prefecture NERFINISHED ⓘ |
| drainageBasin |
Nara Prefecture
NERFINISHED
ⓘ
Osaka Prefecture NERFINISHED ⓘ |
| emptiesInto | Osaka Bay ⓘ |
| flowsDirection | east-to-west ⓘ |
| flowsNear |
Osaka City
ⓘ
linked to:
Osaka
Sakai City ⓘ |
| flowsThrough |
Nara Prefecture
NERFINISHED
ⓘ
Osaka Prefecture ⓘ Yamato Plain ⓘ
linked to:
Nara Basin
|
| hasAlternativeName | Yamatogawa ⓘ |
| hasBridge | Yamato River Bridge (multiple road and rail bridges) ⓘ |
| hasEconomicRole |
supports agriculture in Nara Basin
ⓘ
supports urban areas in Osaka region ⓘ |
| hasFloodControlInfrastructure |
channel improvements
ⓘ
embankments ⓘ levees ⓘ |
| hasFloodHistory | frequent flooding in Osaka Plain ⓘ |
| hasHistoricalRegion | Yamato Province NERFINISHED ⓘ |
| hasJapaneseName |
大和川
ⓘ
linked to:
Yamato River
|
| hasMouthElevation | 0 metres ⓘ |
| hasTributary |
Hatsuse River
ⓘ
Ishi River ⓘ Saho River ⓘ Tomio River ⓘ |
| isMajorRiverOf | Kansai region ⓘ |
| locatedIn |
Honshu
ⓘ
Japan ⓘ Kansai region ⓘ |
| managedBy |
Japanese government
ⓘ
linked to:
Government of Japan
local prefectural authorities ⓘ |
| mouthLocation | Osaka Bay ⓘ |
| mouthNearby | Sakai Port ⓘ |
| partOf | Seto Inland Sea watershed ⓘ |
| region |
Kansai
ⓘ
linked to:
Kansai region
|
| riverSystem |
Osaka Bay basin
ⓘ
linked to:
Osaka Bay
|
| romanization | Yamatogawa ⓘ |
| usedFor |
floodControl
ⓘ
irrigation ⓘ |
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: Yamato River Description of subject: The Yamato River is a major river in Japan’s Kansai region that flows through Nara and Osaka Prefectures before emptying into Osaka Bay.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Yamato River
linked to: Yamato River
linked to: Yamato River