Yacyretá Dam
E99635
The Yacyretá Dam is a large hydroelectric power plant on the border between Argentina and Paraguay that generates electricity by harnessing the flow of the Paraná River.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Entidad Binacional Yacyretá | 2 |
| Yacyretá Dam canonical | 2 |
| Yacyretá Reservoir | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T822909 — 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: Yacyretá Dam Context triple: [Paraná River, hasDam, Yacyretá Dam]
-
A.
Itaipu Dam
Itaipu Dam is a massive hydroelectric power plant on the Brazil–Paraguay border, once the world’s largest in installed capacity and still one of the most important sources of renewable energy in South America.
-
B.
Cahora Bassa Dam
Cahora Bassa Dam is a major hydroelectric dam in Mozambique that forms one of Africa’s largest artificial lakes and supplies significant power to the region.
-
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.
Eder Dam
Eder Dam is a major German gravity dam in the Eder River valley, historically known for being one of the dams breached by the RAF’s “Dambusters” raid during World War II.
-
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
- 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: Yacyretá Dam Target entity description: The Yacyretá Dam is a large hydroelectric power plant on the border between Argentina and Paraguay that generates electricity by harnessing the flow of the Paraná River.
-
A.
Itaipu Dam
Itaipu Dam is a massive hydroelectric power plant on the Brazil–Paraguay border, once the world’s largest in installed capacity and still one of the most important sources of renewable energy in South America.
-
B.
Cahora Bassa Dam
Cahora Bassa Dam is a major hydroelectric dam in Mozambique that forms one of Africa’s largest artificial lakes and supplies significant power to the region.
-
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.
Eder Dam
Eder Dam is a major German gravity dam in the Eder River valley, historically known for being one of the dams breached by the RAF’s “Dambusters” raid during World War II.
-
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 (46)
| Predicate | Object |
|---|---|
| instanceOf |
gravity dam
ⓘ
hydroelectric power plant ⓘ run-of-the-river dam ⓘ |
| annualGeneration | 19000 GWh ⓘ |
| causedDisplacementOfPeople | yes ⓘ |
| commissioningDate | 1994 ⓘ |
| constructionStartDate | 1983 ⓘ |
| continent | South America ⓘ |
| country |
Argentina
ⓘ
Paraguay ⓘ |
| crosses | Paraná River ⓘ |
| elevationOfReservoir | 83 m above sea level ⓘ |
| gridConnectionCountry |
Argentina
ⓘ
Paraguay ⓘ |
| hasEnvironmentalImpact | yes ⓘ |
| hasFishPass | yes ⓘ |
| hasPowerhouse | yes ⓘ |
| hasSpillway | yes ⓘ |
| hasWebsite | https://www.eby.org.ar/ ⓘ |
| inaugurationDate | 1998 ⓘ |
| installedCapacity | 3100 MW ⓘ |
| languageOfName | Guaraní ⓘ |
| locatedIn |
Corrientes Province
ⓘ
Misiones Department ⓘ border between Argentina and Paraguay ⓘ |
| locatedInBasin |
La Plata Basin
ⓘ
surface form:
Río de la Plata Basin
|
| locatedNear |
Ayolas, Misiones Department, Paraguay
ⓘ
Ituzaingó, Corrientes Province, Argentina ⓘ |
| locatedOnRiver | Paraná River ⓘ |
| nameMeaning | land of the moon ⓘ |
| netHead | 21.3 m ⓘ |
| notableFor |
being one of the largest hydroelectric plants in South America
ⓘ
binational ownership by Argentina and Paraguay ⓘ |
| numberOfTurbines | 20 ⓘ |
| openingDate | 1994 ⓘ |
| operator |
Yacyretá Dam
self-linksurface differs
ⓘ
surface form:
Entidad Binacional Yacyretá
|
| owner |
Yacyretá Dam
self-linksurface differs
ⓘ
surface form:
Entidad Binacional Yacyretá
|
| partOf | Paraná River hydroelectric system ⓘ |
| purpose |
navigation improvement
ⓘ
power generation ⓘ |
| reservoirLength | 200 km ⓘ |
| reservoirName |
Yacyretá Dam
self-linksurface differs
ⓘ
surface form:
Yacyretá Reservoir
|
| reservoirSurfaceArea | 1600 km² ⓘ |
| spillwayType | gated overflow spillway ⓘ |
| status | operational ⓘ |
| turbineType | Kaplan turbine ⓘ |
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: Yacyretá Dam Description of subject: The Yacyretá Dam is a large hydroelectric power plant on the border between Argentina and Paraguay that generates electricity by harnessing the flow of the Paraná River.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Entidad Binacional Yacyretá
this entity surface form:
Entidad Binacional Yacyretá
this entity surface form:
Yacyretá Reservoir