Danjiangkou Dam
E833405
Danjiangkou Dam is a large concrete gravity dam on the Han River in Hubei, China, known for hydroelectric power generation, flood control, and serving as a key water source for the South–North Water Transfer Project.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Danjiangkou Dam canonical | 1 |
| Danjiangkou hydropower station | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9930706 — 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: Danjiangkou Dam Context triple: [Danjiangkou, hasDam, Danjiangkou Dam]
-
A.
Gezhouba Dam
Gezhouba Dam is a large hydroelectric gravity dam in Yichang, Hubei, China, notable as the first major dam built on the Yangtze River and an important source of power generation and river navigation control.
-
B.
Three Gorges Dam
The Three Gorges Dam is a massive hydroelectric gravity dam in China, renowned as one of the world’s largest power stations and a major flood-control and navigation project.
-
C.
Xiluodu Dam
Xiluodu Dam is a major arch dam and one of China’s largest hydroelectric power stations, built on the Jinsha (upper Yangtze) River to generate electricity and aid flood control.
-
D.
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.
-
E.
Xiangjiaba Dam
Xiangjiaba Dam is a major hydroelectric gravity dam in southwest China, known for its large installed capacity and role in generating power and regulating flow on the upper Yangtze River.
- 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: Danjiangkou Dam Target entity description: Danjiangkou Dam is a large concrete gravity dam on the Han River in Hubei, China, known for hydroelectric power generation, flood control, and serving as a key water source for the South–North Water Transfer Project.
-
A.
Gezhouba Dam
Gezhouba Dam is a large hydroelectric gravity dam in Yichang, Hubei, China, notable as the first major dam built on the Yangtze River and an important source of power generation and river navigation control.
-
B.
Three Gorges Dam
The Three Gorges Dam is a massive hydroelectric gravity dam in China, renowned as one of the world’s largest power stations and a major flood-control and navigation project.
-
C.
Xiluodu Dam
Xiluodu Dam is a major arch dam and one of China’s largest hydroelectric power stations, built on the Jinsha (upper Yangtze) River to generate electricity and aid flood control.
-
D.
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.
-
E.
Xiangjiaba Dam
Xiangjiaba Dam is a major hydroelectric gravity dam in southwest China, known for its large installed capacity and role in generating power and regulating flow on the upper Yangtze River.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
concrete gravity dam
ⓘ
hydroelectric dam ⓘ |
| cityServed |
Beijing
NERFINISHED
ⓘ
Tianjin NERFINISHED ⓘ cities in Hebei Province ⓘ |
| constructionBy | People's Republic of China government NERFINISHED ⓘ |
| constructionStartDate | 1958 ⓘ |
| country | China ⓘ |
| crestElevation | 176.6 m ⓘ |
| elevationOfReservoirNormal | 170 m ⓘ |
| expandedFor | South–North Water Transfer Project NERFINISHED ⓘ |
| expansionCompletionDate | 2010s ⓘ |
| hasFunction |
regulating Han River flow
ⓘ
supplying water to northern China ⓘ |
| hasReservoirAlternateName | Danjiangkou Lake NERFINISHED ⓘ |
| height |
162 m
ⓘ
about 531 ft ⓘ |
| installedCapacity | 900 MW ⓘ |
| length |
3442 m
ⓘ
about 11,293 ft ⓘ |
| locatedIn | Danjiangkou, Hubei NERFINISHED ⓘ |
| locatedInCountrySubdivision |
Henan Province
NERFINISHED
ⓘ
Hubei Province NERFINISHED ⓘ |
| locatedInDrainageBasin | Han River basin NERFINISHED ⓘ |
| locatedInProvince | Hubei NERFINISHED ⓘ |
| locatedNear | border of Hubei and Henan ⓘ |
| locatedOnRiver | Han River NERFINISHED ⓘ |
| openingDate | 1973 ⓘ |
| operator | China Yangtze Power NERFINISHED ⓘ |
| owner | China Yangtze Power NERFINISHED ⓘ |
| partOf | South–North Water Transfer Project NERFINISHED ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ irrigation ⓘ navigation improvement ⓘ water supply ⓘ |
| reservoirName | Danjiangkou Reservoir NERFINISHED ⓘ |
| reservoirSurfaceArea | about 1022 km² ⓘ |
| reservoirTotalCapacity |
about 29.05 billion m³
ⓘ
about 29.05 km³ ⓘ |
| riverBasin | Yangtze River basin NERFINISHED ⓘ |
| spillwayCount | 2 ⓘ |
| spillwayType | overflow spillway ⓘ |
| status | operational ⓘ |
| turbineCount | 9 ⓘ |
| turbineType | Francis turbine ⓘ |
| upstreamFrom | Wuhan NERFINISHED ⓘ |
| waterSourceFor | Middle Route of South–North Water Transfer Project 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: Danjiangkou Dam Description of subject: Danjiangkou Dam is a large concrete gravity dam on the Han River in Hubei, China, known for hydroelectric power generation, flood control, and serving as a key water source for the South–North Water Transfer Project.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Danjiangkou hydropower station