Geheyan Dam
E762203
Geheyan Dam is a large concrete gravity dam on the Qing River in Hubei, China, primarily used for hydroelectric power generation and flood control.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Gaobazhou Dam | 1 |
| Geheyan Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8861895 — 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: Geheyan Dam Context triple: [Qing River, hasDam, Geheyan Dam]
-
A.
Baihetan Dam
Baihetan Dam is a major Chinese hydroelectric gravity dam on the Jinsha (upper Yangtze) River, known as one of the world’s largest hydropower projects by installed capacity.
-
B.
Baishan Dam
Baishan Dam is a major hydroelectric and flood-control dam in northeastern China, known for its large reservoir and role in regional power generation.
-
C.
Baipaza Dam
Baipaza Dam is a major hydroelectric dam in Tajikistan that harnesses the Vakhsh River to generate power and support regional water management.
-
D.
Pak Mun Dam
Pak Mun Dam is a controversial hydroelectric dam in northeastern Thailand known for its significant social and ecological impacts on communities along the Mun River.
-
E.
Tantangara Dam
Tantangara Dam is a major concrete gravity dam in New South Wales, Australia, built as part of the Snowy Mountains Scheme to store water for hydroelectric power generation and irrigation.
- 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: Geheyan Dam Target entity description: Geheyan Dam is a large concrete gravity dam on the Qing River in Hubei, China, primarily used for hydroelectric power generation and flood control.
-
A.
Baihetan Dam
Baihetan Dam is a major Chinese hydroelectric gravity dam on the Jinsha (upper Yangtze) River, known as one of the world’s largest hydropower projects by installed capacity.
-
B.
Baishan Dam
Baishan Dam is a major hydroelectric and flood-control dam in northeastern China, known for its large reservoir and role in regional power generation.
-
C.
Baipaza Dam
Baipaza Dam is a major hydroelectric dam in Tajikistan that harnesses the Vakhsh River to generate power and support regional water management.
-
D.
Pak Mun Dam
Pak Mun Dam is a controversial hydroelectric dam in northeastern Thailand known for its significant social and ecological impacts on communities along the Mun River.
-
E.
Tantangara Dam
Tantangara Dam is a major concrete gravity dam in New South Wales, Australia, built as part of the Snowy Mountains Scheme to store water for hydroelectric power generation and irrigation.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
concrete gravity dam
ⓘ
hydroelectric dam ⓘ |
| basinCountry | China ⓘ |
| commissioningDate | 1993 ⓘ |
| constructionBegan | 1987 ⓘ |
| country | China ⓘ |
| damHeight | 151 m ⓘ |
| damLength | 397 m ⓘ |
| damType | concrete gravity ⓘ |
| designedForFloodControl | yes ⓘ |
| elevationAtCrest | 200 m (approximate) ⓘ |
| hasNavigationLock | yes ⓘ |
| hasPowerStation | Geheyan Hydropower Station NERFINISHED ⓘ |
| locatedIn |
Changyang Tujia Autonomous County
NERFINISHED
ⓘ
Hubei NERFINISHED ⓘ |
| locatedNear | Changyang Tujia Autonomous County NERFINISHED ⓘ |
| locatedOnRiver | Qing River NERFINISHED ⓘ |
| maxShipDisplacement | 3000 t ⓘ |
| navigationLockType | ship lift ⓘ |
| nearCity | Yichang NERFINISHED ⓘ |
| openingDate | 1993 ⓘ |
| operator | China Yangtze Power NERFINISHED ⓘ |
| owner | China Yangtze Power NERFINISHED ⓘ |
| partOf |
Qing River cascade
NERFINISHED
ⓘ
Yangtze River hydropower system NERFINISHED ⓘ |
| plantAnnualGeneration | about 3000 GWh (approximate) ⓘ |
| plantCapacity | 1200 MW ⓘ |
| plantTurbineCapacity | 300 MW ⓘ |
| plantTurbineCount | 4 ⓘ |
| plantTurbineType | Francis turbine ⓘ |
| primaryUse | hydroelectric power generation ⓘ |
| province | Hubei NERFINISHED ⓘ |
| purpose |
flood control
ⓘ
navigation ⓘ power generation ⓘ |
| region | central China ⓘ |
| reservoirActiveCapacity | 1600000000 m3 ⓘ |
| reservoirCatchmentArea | 17000 km2 ⓘ |
| reservoirName | Geheyan Reservoir NERFINISHED ⓘ |
| reservoirTotalCapacity | 3400000000 m3 ⓘ |
| riverSystem | Yangtze River basin NERFINISHED ⓘ |
| spillwayCapacity | 15000 m3/s ⓘ |
| spillwayCount | 7 ⓘ |
| spillwayType | gated overflow ⓘ |
| status | operational ⓘ |
| use |
flood control
ⓘ
navigation improvement ⓘ water regulation ⓘ |
| watercourse | Qing River NERFINISHED ⓘ |
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: Geheyan Dam Description of subject: Geheyan Dam is a large concrete gravity dam on the Qing River in Hubei, China, primarily used for hydroelectric power generation and flood control.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Gaobazhou Dam