Nagayasuguchi Dam
E513645
Nagayasuguchi Dam is a hydroelectric dam located on Japan’s Yoshino River, used primarily for power generation and flood control.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Nagayasuguchi Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5315338 — 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: Nagayasuguchi Dam Context triple: [Yoshino River, hasHydroelectricDam, Nagayasuguchi Dam]
-
A.
Ikeda Dam
Ikeda Dam is a major hydroelectric dam in Japan known for generating power and regulating water flow on the Yoshino River.
-
B.
Surobi Dam
Surobi Dam is a hydroelectric and irrigation dam located on the Kabul River in eastern Afghanistan.
-
C.
Doma Dam
Doma Dam is a reservoir and recreational site in Nasarawa State, Nigeria, known for its scenic views, fishing opportunities, and role in supporting local agriculture and water supply.
-
D.
Shiroro Dam
Shiroro Dam is a major hydroelectric power facility on the Kaduna River in Niger State, Nigeria, supplying electricity and supporting water management in the region.
-
E.
Lodoyo Dam
Lodoyo Dam is a water control and irrigation structure located on the Brantas River in East Java, Indonesia.
- 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: Nagayasuguchi Dam Target entity description: Nagayasuguchi Dam is a hydroelectric dam located on Japan’s Yoshino River, used primarily for power generation and flood control.
-
A.
Ikeda Dam
Ikeda Dam is a major hydroelectric dam in Japan known for generating power and regulating water flow on the Yoshino River.
-
B.
Surobi Dam
Surobi Dam is a hydroelectric and irrigation dam located on the Kabul River in eastern Afghanistan.
-
C.
Doma Dam
Doma Dam is a reservoir and recreational site in Nasarawa State, Nigeria, known for its scenic views, fishing opportunities, and role in supporting local agriculture and water supply.
-
D.
Shiroro Dam
Shiroro Dam is a major hydroelectric power facility on the Kaduna River in Niger State, Nigeria, supplying electricity and supporting water management in the region.
-
E.
Lodoyo Dam
Lodoyo Dam is a water control and irrigation structure located on the Brantas River in East Java, Indonesia.
- F. None of above. chosen
Statements (20)
| Predicate | Object |
|---|---|
| instanceOf |
dam
ⓘ
hydroelectric dam ⓘ |
| basinCountry | Japan ⓘ |
| continent | Asia ⓘ |
| country | Japan ⓘ |
| hasFunction |
electricity production
ⓘ
regulation of river flow ⓘ |
| isPartOf | Yoshino River water management system ⓘ |
| locatedIn | Japan ⓘ |
| locatedInPrefecture | Tokushima Prefecture ⓘ |
| locatedOnIsland | Shikoku ⓘ |
| locatedOnRiver | Yoshino River ⓘ |
| primaryUse |
flood control
ⓘ
power generation ⓘ |
| purpose |
flood mitigation
ⓘ
hydroelectric power generation ⓘ |
| region |
Shikoku region
ⓘ
linked to:
Shikoku
|
| riverSystem |
Yoshino River system
ⓘ
linked to:
Yoshino River
|
| structureType | hydraulic engineering structure ⓘ |
| watercourse | Yoshino 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: Nagayasuguchi Dam Description of subject: Nagayasuguchi Dam is a hydroelectric dam located on Japan’s Yoshino River, used primarily for power generation and flood control.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.