Gezhouba Dam
E89787
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.
All labels observed (9)
How this entity was disambiguated
This entity first appeared as the object of triple T686934 — 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: Gezhouba Dam Context triple: [Yangtze River, hydroelectricProject, Gezhouba Dam]
-
A.
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.
-
B.
Itezhi-Tezhi Dam
Itezhi-Tezhi Dam is a major hydroelectric and water-regulation dam in Zambia that helps control flows and generate power along the Kafue River system, a key tributary of the Zambezi.
-
C.
Harangi Dam
Harangi Dam is a masonry dam built across the Harangi River, a tributary of the Kaveri, in Karnataka, India, primarily used for irrigation and water storage.
-
D.
Almatti Dam
Almatti Dam is a major hydroelectric and irrigation dam in Karnataka, India, built across the Krishna River as part of the Upper Krishna Project.
-
E.
Bargi Dam
Bargi Dam is a major multipurpose dam built on the Narmada River in Madhya Pradesh, India, primarily used for irrigation, hydropower 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: Gezhouba Dam Target entity description: 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.
-
A.
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.
-
B.
Itezhi-Tezhi Dam
Itezhi-Tezhi Dam is a major hydroelectric and water-regulation dam in Zambia that helps control flows and generate power along the Kafue River system, a key tributary of the Zambezi.
-
C.
Harangi Dam
Harangi Dam is a masonry dam built across the Harangi River, a tributary of the Kaveri, in Karnataka, India, primarily used for irrigation and water storage.
-
D.
Almatti Dam
Almatti Dam is a major hydroelectric and irrigation dam in Karnataka, India, built across the Krishna River as part of the Upper Krishna Project.
-
E.
Bargi Dam
Bargi Dam is a major multipurpose dam built on the Narmada River in Madhya Pradesh, India, primarily used for irrigation, hydropower generation, and flood control.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
gravity dam
ⓘ
hydroelectric dam ⓘ run-of-the-river power station ⓘ |
| basinCountry | China ⓘ |
| category |
Dams on the Yangtze River
ⓘ
Hydroelectric power stations in Hubei ⓘ |
| constructionMaterial | concrete ⓘ |
| constructionStartDate | 1970 ⓘ |
| continent | Asia ⓘ |
| coordinateSystem |
WGS84
ⓘ
surface form:
World Geodetic System 1984
|
| country | China ⓘ |
| gridConnection | Central China power grid ⓘ |
| hasPart |
powerhouse
ⓘ
ship lock ⓘ spillway ⓘ |
| hasReservoir |
Gezhouba Dam
self-linksurface differs
ⓘ
surface form:
Gezhouba Reservoir
|
| height | 47 m ⓘ |
| impact |
hydropower generation for central China
ⓘ
improved navigation on the Yangtze River ⓘ |
| inception | 1970 ⓘ |
| installedCapacity | 2715 MW ⓘ |
| length | 2584 m ⓘ |
| locatedDownstreamOf | Three Gorges Dam ⓘ |
| locatedIn |
China
ⓘ
surface form:
People's Republic of China
Yichang ⓘ |
| locatedInAdministrativeTerritory |
Hubei Province
ⓘ
surface form:
Hubei
|
| locatedInTimeZone | China Standard Time ⓘ |
| locatedNear |
Yichang
ⓘ
surface form:
Yichang city
|
| locatedOnRiver | Yangtze River ⓘ |
| locatedUpstreamOf |
Yichang
ⓘ
surface form:
Yichang urban area
|
| namedAfter | Gezhouba ⓘ |
| navigationFacility | ship lock complex ⓘ |
| numberOfTurbines | 21 ⓘ |
| openingDate | 1988 ⓘ |
| operator | China Yangtze Power ⓘ |
| owner | China Yangtze Power ⓘ |
| partOf | Yangtze River hydropower development ⓘ |
| purpose |
flood control
ⓘ
navigation ⓘ power generation ⓘ |
| region | central China ⓘ |
| riverSystem | Yangtze River basin ⓘ |
| significantEvent | first major dam on the Yangtze River ⓘ |
| startOfOperation |
1981
ⓘ
1982 ⓘ 1983 ⓘ |
| status | operational ⓘ |
| turbineType | Francis turbine ⓘ |
| watercourseDammed | Yangtze 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: Gezhouba Dam Description of subject: 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.
Referenced by (14)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Gezhouba Reservoir
this entity surface form:
Gezhouba Dam power stations
this entity surface form:
Gezhouba hydropower project
this entity surface form:
Gezhouba Dam power station (operation-related)
this entity surface form:
Gezhouba Dam ship locks
this entity surface form:
Gezhouba Dam spillway
this entity surface form:
Gezhouba Dam power station
this entity surface form:
Gezhouba hydropower station