Oto River
E726215
The Oto River is a tributary waterway in Japan that feeds into the larger Kumano River system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Oto River canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T6631294 — 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: Oto River Context triple: [Kumano River, hasTributary, Oto River]
-
A.
Vacha River
The Vacha River is a significant river in southern Bulgaria known for its deep gorges, hydroelectric dams, and reservoirs as it flows through the Rhodope Mountains.
-
B.
Voidomatis River
Voidomatis River is a famously clear, cold tributary of the Aoös in the Epirus region of northwestern Greece, popular for rafting, hiking, and its scenic gorges and stone bridges.
-
C.
Usta River
The Usta River is a waterway in Russia that serves as a tributary of the larger Vetluga River within the Volga basin.
-
D.
Benya River
Benya River is a watercourse in Ghana’s Central Region that flows into the Gulf of Guinea and helps form the Benya Lagoon near the coastal town of Elmina.
-
E.
Sonai River
The Sonai River is a tributary waterway in northeastern India that feeds into the larger Barak 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: Oto River Target entity description: The Oto River is a tributary waterway in Japan that feeds into the larger Kumano River system.
-
A.
Vacha River
The Vacha River is a significant river in southern Bulgaria known for its deep gorges, hydroelectric dams, and reservoirs as it flows through the Rhodope Mountains.
-
B.
Voidomatis River
Voidomatis River is a famously clear, cold tributary of the Aoös in the Epirus region of northwestern Greece, popular for rafting, hiking, and its scenic gorges and stone bridges.
-
C.
Usta River
The Usta River is a waterway in Russia that serves as a tributary of the larger Vetluga River within the Volga basin.
-
D.
Benya River
Benya River is a watercourse in Ghana’s Central Region that flows into the Gulf of Guinea and helps form the Benya Lagoon near the coastal town of Elmina.
-
E.
Sonai River
The Sonai River is a tributary waterway in northeastern India that feeds into the larger Barak River system.
- F. None of above. chosen
Statements (8)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry | Japan ⓘ |
| continent | Asia ⓘ |
| country | Japan ⓘ |
| locatedIn | Wakayama Prefecture NERFINISHED ⓘ |
| mouth | Kumano River ⓘ |
| partOf |
Kumano River system
ⓘ
linked to:
Kumano River basin
|
| tributaryOf | Kumano River ⓘ |
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: Oto River Description of subject: The Oto River is a tributary waterway in Japan that feeds into the larger Kumano River system.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.