Rapel Reservoir
E722387
Rapel Reservoir is a large artificial lake in central Chile created by damming the Rapel River, primarily used for hydroelectric power generation, irrigation, and recreation.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Rapel Reservoir canonical | 5 |
| Embalse Rapel | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7957048 — 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: Rapel Reservoir Context triple: [Rapel River, hasReservoir, Rapel Reservoir]
-
A.
Merimere Reservoir
Merimere Reservoir is a scenic body of water in Meriden, Connecticut, known for its surrounding cliffs, hiking trails, and role as a central natural feature of Hubbard Park.
-
B.
Tantangara Reservoir
Tantangara Reservoir is a major water storage lake in New South Wales, Australia, forming part of the Snowy Mountains Scheme for hydroelectric power generation and irrigation.
-
C.
Ruedi Reservoir
Ruedi Reservoir is a man-made lake on the Fryingpan River in Colorado, primarily used for water storage, hydroelectric power generation, and recreation.
-
D.
Gouin Reservoir
Gouin Reservoir is a large man-made lake in central Quebec, Canada, created by damming the Saint-Maurice River and known for hydroelectric production and recreational fishing.
-
E.
Megget Reservoir
Megget Reservoir is a large man-made loch in the Scottish Borders that serves as a major water supply source and a gateway for outdoor activities in the surrounding hills.
- 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: Rapel Reservoir Target entity description: Rapel Reservoir is a large artificial lake in central Chile created by damming the Rapel River, primarily used for hydroelectric power generation, irrigation, and recreation.
-
A.
Merimere Reservoir
Merimere Reservoir is a scenic body of water in Meriden, Connecticut, known for its surrounding cliffs, hiking trails, and role as a central natural feature of Hubbard Park.
-
B.
Tantangara Reservoir
Tantangara Reservoir is a major water storage lake in New South Wales, Australia, forming part of the Snowy Mountains Scheme for hydroelectric power generation and irrigation.
-
C.
Ruedi Reservoir
Ruedi Reservoir is a man-made lake on the Fryingpan River in Colorado, primarily used for water storage, hydroelectric power generation, and recreation.
-
D.
Gouin Reservoir
Gouin Reservoir is a large man-made lake in central Quebec, Canada, created by damming the Saint-Maurice River and known for hydroelectric production and recreational fishing.
-
E.
Megget Reservoir
Megget Reservoir is a large man-made loch in the Scottish Borders that serves as a major water supply source and a gateway for outdoor activities in the surrounding hills.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf | reservoir ⓘ |
| basinCountry | Chile ⓘ |
| continent | South America ⓘ |
| country | Chile ⓘ |
| createdBy | construction of Rapel Dam ⓘ |
| formedByRiver | Rapel River ⓘ |
| hasFunction |
flow regulation
ⓘ
peak electricity supply support ⓘ water storage ⓘ |
| hasSpanishName |
Embalse Rapel
ⓘ
linked to:
Rapel Reservoir
|
| hasStructure | Rapel Dam ⓘ |
| isPartOf |
Rapel River basin
ⓘ
linked to:
Rapel River
|
| languageOfToponym | Spanish ⓘ |
| locatedIn |
O'Higgins Region
ⓘ
linked to:
O’Higgins Region
central Chile ⓘ |
| locatedInHydrologicalSystem | Rapel River hydrological system ⓘ |
| locatedNear |
La Estrella
ⓘ
Las Cabras ⓘ Litueche ⓘ Malloa ⓘ Pichidegua ⓘ San Vicente de Tagua Tagua ⓘ |
| operator | Chilean power sector (hydroelectric system) ⓘ |
| purpose |
agricultural irrigation
ⓘ
electricity generation ⓘ tourism ⓘ |
| region |
Libertador General Bernardo O'Higgins Region
ⓘ
linked to:
O’Higgins Region
|
| tourismActivity |
boating
ⓘ
camping ⓘ sailing ⓘ swimming ⓘ |
| use |
fishing
ⓘ
hydroelectric power generation ⓘ irrigation ⓘ recreation ⓘ water sports ⓘ |
| waterBodyType | freshwater lake ⓘ |
| watercourse | Rapel 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: Rapel Reservoir Description of subject: Rapel Reservoir is a large artificial lake in central Chile created by damming the Rapel River, primarily used for hydroelectric power generation, irrigation, and recreation.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Rapel Reservoir