Alfalfal hydroelectric plant
E128473
The Alfalfal hydroelectric plant is a power-generating facility in Chile that harnesses the flow of the Maipo River to produce electricity.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Alfalfal hydroelectric plant canonical | 2 |
| Maitenes hydroelectric plant | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1126527 — 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: Alfalfal hydroelectric plant Context triple: [Maipo River, hasHydroelectricPlant, Alfalfal hydroelectric plant]
-
A.
Olidan power station
Olidan power station is one of Sweden’s oldest large-scale hydroelectric power plants, located in Trollhättan and historically important for the country’s industrial electrification.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
Serre-Ponçon Dam
Serre-Ponçon Dam is a large hydroelectric and irrigation dam in southeastern France that creates one of Western Europe’s biggest artificial lakes.
- 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: Alfalfal hydroelectric plant Target entity description: The Alfalfal hydroelectric plant is a power-generating facility in Chile that harnesses the flow of the Maipo River to produce electricity.
-
A.
Olidan power station
Olidan power station is one of Sweden’s oldest large-scale hydroelectric power plants, located in Trollhättan and historically important for the country’s industrial electrification.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
Serre-Ponçon Dam
Serre-Ponçon Dam is a large hydroelectric and irrigation dam in southeastern France that creates one of Western Europe’s biggest artificial lakes.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf | hydroelectric power plant ⓘ |
| continent | South America ⓘ |
| country | Chile ⓘ |
| countryCode | CL ⓘ |
| energyConversion | potential energy of water to electrical energy ⓘ |
| gridConnection | Chilean national electric system ⓘ |
| hasLanguage | Spanish ⓘ |
| hasPart |
intake works
ⓘ
penstock ⓘ powerhouse ⓘ switchyard ⓘ |
| industry | electric power generation ⓘ |
| locatedIn |
Maipo River basin
ⓘ
linked to:
Maipo River
|
| locatedInAdministrativeTerritory | Santiago Metropolitan Region ⓘ |
| locatedInValley | Cajón del Maipo ⓘ |
| locatedNear | San José de Maipo ⓘ |
| locatedOn | Maipo River ⓘ |
| operatingStatus | in operation ⓘ |
| partOf | hydroelectric system on the Maipo River ⓘ |
| primaryEnergySource | hydropower ⓘ |
| purpose | electricity generation ⓘ |
| uses |
river flow
ⓘ
water turbines ⓘ |
| watercourse | Maipo 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: Alfalfal hydroelectric plant Description of subject: The Alfalfal hydroelectric plant is a power-generating facility in Chile that harnesses the flow of the Maipo River to produce electricity.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Alfalfal hydroelectric plant
linked to: Alfalfal hydroelectric plant