Salto Grande Reservoir
E703816
Salto Grande Reservoir is a large artificial lake on the Uruguay River, created by the Salto Grande Dam on the border between Argentina and Uruguay, used for hydroelectric power generation, irrigation, and recreation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Salto Grande Reservoir canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7994295 — 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: Salto Grande Reservoir Context triple: [Salto Grande Dam, reservoirName, Salto Grande Reservoir]
-
A.
Pangue Reservoir
Pangue Reservoir is an artificial lake in Chile formed by the Pangue Dam on the Biobío River, primarily used for hydroelectric power generation.
-
B.
Angostura Reservoir
Angostura Reservoir is a man-made lake in South Dakota used primarily for irrigation, recreation, and wildlife habitat.
-
C.
San Luis Dam
San Luis Dam is a major earthfill embankment dam in California that impounds the San Luis Reservoir, one of the largest off-stream storage reservoirs in the United States.
-
D.
Don Pedro Reservoir
Don Pedro Reservoir is a large artificial lake in California’s Sierra Nevada foothills, primarily used for water storage, hydroelectric power generation, and recreation.
-
E.
Abiquiu Reservoir
Abiquiu Reservoir is a man-made lake in northern New Mexico known for its scenic desert landscape, recreational opportunities, and role in regional water storage and management.
- 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: Salto Grande Reservoir Target entity description: Salto Grande Reservoir is a large artificial lake on the Uruguay River, created by the Salto Grande Dam on the border between Argentina and Uruguay, used for hydroelectric power generation, irrigation, and recreation.
-
A.
Pangue Reservoir
Pangue Reservoir is an artificial lake in Chile formed by the Pangue Dam on the Biobío River, primarily used for hydroelectric power generation.
-
B.
Angostura Reservoir
Angostura Reservoir is a man-made lake in South Dakota used primarily for irrigation, recreation, and wildlife habitat.
-
C.
San Luis Dam
San Luis Dam is a major earthfill embankment dam in California that impounds the San Luis Reservoir, one of the largest off-stream storage reservoirs in the United States.
-
D.
Don Pedro Reservoir
Don Pedro Reservoir is a large artificial lake in California’s Sierra Nevada foothills, primarily used for water storage, hydroelectric power generation, and recreation.
-
E.
Abiquiu Reservoir
Abiquiu Reservoir is a man-made lake in northern New Mexico known for its scenic desert landscape, recreational opportunities, and role in regional water storage and management.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf | reservoir ⓘ |
| basinCountry |
Argentina
ⓘ
Uruguay ⓘ |
| borderRiver | Uruguay River ⓘ |
| continent | South America ⓘ |
| country |
Argentina
ⓘ
Uruguay ⓘ |
| createdBy | Salto Grande Dam ⓘ |
| formedBy | impoundment of the Uruguay River ⓘ |
| hasFunction |
regulation of river flow
ⓘ
support of regional agriculture ⓘ support of regional tourism ⓘ |
| hasInfrastructure | Salto Grande Dam ⓘ |
| locatedInDrainageBasin |
Uruguay River basin
ⓘ
linked to:
Uruguay River
|
| locatedOnBorderBetween |
Argentina
ⓘ
Uruguay ⓘ |
| locatedOnRiver | Uruguay River ⓘ |
| partOf |
Salto Grande hydroelectric complex
ⓘ
linked to:
Salto Grande Dam
|
| purpose |
electricity production
ⓘ
flood control ⓘ water storage ⓘ |
| recreationalActivity |
boating
ⓘ
fishing ⓘ swimming ⓘ water sports ⓘ |
| region |
Litoral region of Uruguay
ⓘ
Mesopotamia region of Argentina ⓘ |
| use |
hydroelectric power generation
ⓘ
irrigation ⓘ recreation ⓘ |
| waterBodyType | freshwater lake ⓘ |
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: Salto Grande Reservoir Description of subject: Salto Grande Reservoir is a large artificial lake on the Uruguay River, created by the Salto Grande Dam on the border between Argentina and Uruguay, used for hydroelectric power generation, irrigation, and recreation.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.