Florentino Ameghino Dam
E112648
Florentino Ameghino Dam is a large hydroelectric and irrigation dam in Argentina’s Chubut Province, built on the Chubut River to control floods and support regional development.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Florentino Ameghino Dam canonical | 1 |
| Florentino Ameghino Reservoir | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T914151 — 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: Florentino Ameghino Dam Context triple: [Chubut River, hasDam, Florentino Ameghino Dam]
-
A.
Yacyretá Dam
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.
-
B.
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.
-
C.
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.
-
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.
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.
- 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: Florentino Ameghino Dam Target entity description: Florentino Ameghino Dam is a large hydroelectric and irrigation dam in Argentina’s Chubut Province, built on the Chubut River to control floods and support regional development.
-
A.
Yacyretá Dam
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.
-
B.
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.
-
C.
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.
-
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.
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.
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf |
dam
ⓘ
gravity dam ⓘ hydroelectric dam ⓘ |
| basinCountry | Argentina ⓘ |
| constructionStartYear | 1963 ⓘ |
| continent | South America ⓘ |
| country | Argentina ⓘ |
| energySource | hydropower ⓘ |
| hasFunction | regulates Chubut River flow ⓘ |
| hasSpillway | yes ⓘ |
| height | 70 m ⓘ |
| installedCapacity | 60 MW ⓘ |
| length | 255 m ⓘ |
| locatedIn | Chubut Province ⓘ |
| locatedInMunicipality | Gaiman Department ⓘ |
| locatedNear | Dique Florentino Ameghino village ⓘ |
| locatedOnRiver | Chubut River ⓘ |
| namedAfter | Florentino Ameghino ⓘ |
| numberOfTurbines | 2 ⓘ |
| openingYear | 1969 ⓘ |
| operator | Empresa de Energía de Chubut ⓘ |
| partOf |
Chubut River
ⓘ
surface form:
Chubut River basin
|
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ irrigation ⓘ regional development ⓘ |
| region | Patagonia ⓘ |
| reservoirName |
Florentino Ameghino Dam
self-linksurface differs
ⓘ
surface form:
Florentino Ameghino Reservoir
|
| reservoirSurfaceArea | 70 km² ⓘ |
| reservoirTotalCapacity | 1.4 km³ ⓘ |
| status | operational ⓘ |
| supports |
electricity supply in Chubut Province
ⓘ
irrigated agriculture in lower Chubut Valley ⓘ |
| turbineType | Francis turbine ⓘ |
| usedFor |
recreation
ⓘ
tourism ⓘ |
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: Florentino Ameghino Dam Description of subject: Florentino Ameghino Dam is a large hydroelectric and irrigation dam in Argentina’s Chubut Province, built on the Chubut River to control floods and support regional development.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Florentino Ameghino Reservoir