Three Gorges Dam
E89587
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.
All labels observed (9)
| Label | Occurrences |
|---|---|
| Three Gorges Dam canonical | 15 |
| Three Gorges Reservoir | 3 |
| Sanxia Dam | 1 |
| Three Gorges Hydropower Station | 1 |
| Three Gorges Project | 1 |
| Three Gorges hydropower project | 1 |
| Three Gorges hydropower station | 1 |
| Three Gorges ship locks | 1 |
| 三峡大坝 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T686933 — 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: Three Gorges Dam Context triple: [Yangtze River, hydroelectricProject, Three Gorges Dam]
-
A.
Aswan High Dam
The Aswan High Dam is a massive embankment dam on the Nile River in southern Egypt, built in the 1960s to control flooding, provide hydroelectric power, and improve irrigation, while also causing the creation of Lake Nasser and the displacement of communities and archaeological sites in Nubia.
-
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.
Hoover Dam
Hoover Dam is a massive concrete arch-gravity dam on the Colorado River, renowned as a landmark feat of 20th-century American engineering and a major source of hydroelectric power and water management in the Southwest.
-
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.
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.
- 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: Three Gorges Dam Target entity description: 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.
-
A.
Tabqa Dam
Tabqa Dam is a major hydroelectric and irrigation dam on the Euphrates River in northern Syria, forming Lake Assad and playing a key role in the country’s water and power supply.
-
B.
Aswan High Dam
The Aswan High Dam is a massive embankment dam on the Nile River in southern Egypt, built in the 1960s to control flooding, provide hydroelectric power, and improve irrigation, while also causing the creation of Lake Nasser and the displacement of communities and archaeological sites in Nubia.
-
C.
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.
-
D.
Hoover Dam
Hoover Dam is a massive concrete arch-gravity dam on the Colorado River, renowned as a landmark feat of 20th-century American engineering and a major source of hydroelectric power and water management in the Southwest.
-
E.
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.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
concrete gravity dam
ⓘ
gravity dam ⓘ hydroelectric dam ⓘ hydroelectric power station ⓘ |
| alsoKnownAs |
Three Gorges Dam
ⓘ
surface form:
Sanxia Dam
Three Gorges Dam ⓘ
surface form:
三峡大坝
|
| annualGeneration | around 100 TWh ⓘ |
| constructionCostEstimate | about US$30 billion ⓘ |
| constructionStartDate | 1994-12-14 ⓘ |
| country | China ⓘ |
| crestElevation | 185 m above sea level ⓘ |
| damType | concrete gravity ⓘ |
| designedForFloodControl | yes ⓘ |
| designedForNavigationImprovement | yes ⓘ |
| firstGeneratorCommissioned | 2003 ⓘ |
| fullyOperationalDate | 2012 ⓘ |
| hasShipLift | vertical ship lift ⓘ |
| hasShipLock | five-step ship lock ⓘ |
| height | 181 m ⓘ |
| impact |
large-scale population resettlement
ⓘ
significant environmental change along the Yangtze River ⓘ |
| installedCapacity | 22500 MW ⓘ |
| length | 2335 m ⓘ |
| locatedIn |
Hubei Province
ⓘ
surface form:
Hubei
Yichang ⓘ Yiling District ⓘ |
| locatedInCountrySubdivision |
China
ⓘ
surface form:
People's Republic of China
|
| locatedInRegion |
Xiling Gorge
ⓘ
surface form:
Three Gorges
|
| locatedOnRiver | Yangtze River ⓘ |
| mainConstructionCompleted | 2006 ⓘ |
| nearCity | Yichang ⓘ |
| numberOfSpillwayGates | 23 ⓘ |
| numberOfTurbines | 34 ⓘ |
| operator | China Yangtze Power ⓘ |
| ownedBy | China Three Gorges Corporation ⓘ |
| primaryPurpose |
flood control
ⓘ
hydroelectric power generation ⓘ river navigation improvement ⓘ |
| reservoirName |
Three Gorges Dam
self-linksurface differs
ⓘ
surface form:
Three Gorges Reservoir
|
| reservoirNormalElevation | 175 m above sea level ⓘ |
| reservoirTotalCapacity | 39300000000 m3 ⓘ |
| riverDiversionCompleted | 1997 ⓘ |
| spillwayType | overflow, controlled ⓘ |
| status | operational ⓘ |
| turbineCapacity | 700 MW ⓘ |
| turbineType | Francis turbine ⓘ |
| worldRankingByInstalledCapacity | one of the largest power stations in the world ⓘ |
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: Three Gorges Dam Description of subject: 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.
Referenced by (25)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Three Gorges Reservoir
this entity surface form:
Three Gorges Reservoir
this entity surface form:
三峡大坝
this entity surface form:
Sanxia Dam
this entity surface form:
Three Gorges Project
this entity surface form:
Three Gorges ship locks
this entity surface form:
Three Gorges Reservoir
this entity surface form:
Three Gorges hydropower project
this entity surface form:
Three Gorges Hydropower Station
this entity surface form:
Three Gorges hydropower station