Ikeda Dam
E511036
Ikeda Dam is a major hydroelectric dam in Japan known for generating power and regulating water flow on the Yoshino River.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Ikeda Dam canonical | 1 |
| Sameura Dam | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5315336 — 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: Ikeda Dam Context triple: [Yoshino River, hasHydroelectricDam, Ikeda Dam]
-
A.
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.
-
B.
Surobi Dam
Surobi Dam is a hydroelectric and irrigation dam located on the Kabul River in eastern Afghanistan.
-
C.
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.
-
D.
Oahe Dam
Oahe Dam is a large earth-fill dam on the Missouri River in South Dakota, forming Lake Oahe, one of the largest man-made reservoirs in the United States and a major source of hydroelectric power, irrigation, and flood control.
-
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: Ikeda Dam Target entity description: Ikeda Dam is a major hydroelectric dam in Japan known for generating power and regulating water flow on the Yoshino River.
-
A.
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.
-
B.
Surobi Dam
Surobi Dam is a hydroelectric and irrigation dam located on the Kabul River in eastern Afghanistan.
-
C.
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.
-
D.
Oahe Dam
Oahe Dam is a large earth-fill dam on the Missouri River in South Dakota, forming Lake Oahe, one of the largest man-made reservoirs in the United States and a major source of hydroelectric power, irrigation, and flood control.
-
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 (31)
| Predicate | Object |
|---|---|
| instanceOf |
dam
ⓘ
hydroelectric dam ⓘ hydroelectric power station ⓘ |
| basinCountry | Japan ⓘ |
| category |
Dams in Tokushima Prefecture
ⓘ
Hydroelectric power stations in Japan ⓘ |
| constructionMaterial | concrete ⓘ |
| continent | Asia ⓘ |
| country | Japan ⓘ |
| damType | concrete gravity dam ⓘ |
| energySource | hydropower ⓘ |
| function |
electricity generation
ⓘ
river flow control ⓘ |
| hasPowerPlant |
Ikeda Dam Hydroelectric Power Station
ⓘ
linked to:
Yahagi Dam
|
| hasUse |
industrial water supply
ⓘ
municipal water supply ⓘ |
| isInDrainageBasin | Yoshino River basin ⓘ |
| locatedIn |
Ikeda, Tokushima Prefecture
ⓘ
Shikoku ⓘ Tokushima Prefecture ⓘ |
| namedAfter | Ikeda ⓘ |
| operator | Electric Power Development Co., Ltd. ⓘ |
| owner | Electric Power Development Co., Ltd. ⓘ |
| partOf |
Yoshino River water system
ⓘ
linked to:
Yoshino River
|
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ irrigation support ⓘ water flow regulation ⓘ |
| region |
Western Japan
ⓘ
linked to:
western Japan
|
| river | Yoshino River ⓘ |
| 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: Ikeda Dam Description of subject: Ikeda Dam is a major hydroelectric dam in Japan known for generating power and regulating water flow on the Yoshino River.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Ikeda Dam