Amagase Dam
E821671
Amagase Dam is a concrete dam in Uji, Kyoto Prefecture, Japan, known for regulating the Uji River and supporting regional water management and power generation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Amagase Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9806112 — 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: Amagase Dam Context triple: [Uji City, hasLandmark, Amagase Dam]
-
A.
Nagayasuguchi Dam
Nagayasuguchi Dam is a hydroelectric dam located on Japan’s Yoshino River, used primarily for power generation and flood control.
-
B.
Jōzankei Dam
Jōzankei Dam is a concrete gravity dam on the Toyohira River in Sapporo, Japan, known for flood control, water supply, and its scenic reservoir surrounded by hot spring resorts.
-
C.
Shimen Dam
Shimen Dam is a major concrete gravity dam in northern Taiwan that provides water supply, flood control, and hydroelectric power as part of the Shimen Reservoir system.
-
D.
Hoheikyo Dam
Hoheikyo Dam is a concrete arch dam in the mountainous outskirts of Sapporo, Japan, known for its scenic reservoir, autumn foliage, and nearby hot spring resorts.
-
E.
Ukai Dam
Ukai Dam is a major multi-purpose reservoir and hydroelectric dam in Gujarat, India, built on the Tapi River for irrigation, power generation, and flood control.
- 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: Amagase Dam Target entity description: Amagase Dam is a concrete dam in Uji, Kyoto Prefecture, Japan, known for regulating the Uji River and supporting regional water management and power generation.
-
A.
Nagayasuguchi Dam
Nagayasuguchi Dam is a hydroelectric dam located on Japan’s Yoshino River, used primarily for power generation and flood control.
-
B.
Jōzankei Dam
Jōzankei Dam is a concrete gravity dam on the Toyohira River in Sapporo, Japan, known for flood control, water supply, and its scenic reservoir surrounded by hot spring resorts.
-
C.
Shimen Dam
Shimen Dam is a major concrete gravity dam in northern Taiwan that provides water supply, flood control, and hydroelectric power as part of the Shimen Reservoir system.
-
D.
Hoheikyo Dam
Hoheikyo Dam is a concrete arch dam in the mountainous outskirts of Sapporo, Japan, known for its scenic reservoir, autumn foliage, and nearby hot spring resorts.
-
E.
Ukai Dam
Ukai Dam is a major multi-purpose reservoir and hydroelectric dam in Gujarat, India, built on the Tapi River for irrigation, power generation, and flood control.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
concrete gravity dam
ⓘ
dam ⓘ |
| basinCountry | Japan NERFINISHED ⓘ |
| continent | Asia ⓘ |
| country | Japan ⓘ |
| countrySubdivision | Kyoto Prefecture NERFINISHED ⓘ |
| hasFunction |
flow regulation
ⓘ
power production ⓘ water level control ⓘ |
| hasRole | infrastructure for water resources management ⓘ |
| locatedIn | Uji, Kyoto Prefecture, Japan NERFINISHED ⓘ |
| locatedInPrefecture | Kyoto Prefecture NERFINISHED ⓘ |
| locatedInRegion | Kansai region ⓘ |
| locatedInWatercourse | Uji River NERFINISHED ⓘ |
| locatedOnRiver | Uji River NERFINISHED ⓘ |
| material | concrete ⓘ |
| nearCity | Uji NERFINISHED ⓘ |
| operator | Government of Japan NERFINISHED ⓘ |
| owner | Government of Japan NERFINISHED ⓘ |
| partOf | Yodo River system NERFINISHED ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ irrigation ⓘ river regulation ⓘ water supply ⓘ |
| regulates | Uji River NERFINISHED ⓘ |
| supports | regional water management ⓘ |
| usedFor |
agricultural water supply
ⓘ
electricity generation ⓘ municipal water supply ⓘ |
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: Amagase Dam Description of subject: Amagase Dam is a concrete dam in Uji, Kyoto Prefecture, Japan, known for regulating the Uji River and supporting regional water management and power generation.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.