Arenal Dam
E1048450
UNEXPLORED
Arenal Dam is a major hydroelectric dam in Costa Rica that created Lake Arenal and plays a key role in the country’s renewable energy production.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Arenal Dam canonical | 3 |
| Lake Arenal Dam | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13506664 — 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: Arenal Dam Context triple: [Lake Arenal, createdBy, Arenal Dam]
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A.
Guana Dam
Guana Dam is a water-control structure within Florida’s Guana Tolomato Matanzas National Estuarine Research Reserve that creates the Guana Lake/Guana River impoundment used for habitat management, recreation, and research.
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B.
Arenal
Arenal is a prominent stratovolcano in northwestern Costa Rica, famed for its near-perfect conical shape and role as a major eco-tourism and geothermal energy site.
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C.
Arenal
Arenal is a locality in the Mexican state of Jalisco, situated near the municipality of Zapopan in the Guadalajara metropolitan area.
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D.
Lake Arenal
Lake Arenal is Costa Rica’s largest and most famous lake, known for its scenic views of Arenal Volcano and its popularity for windsurfing, fishing, and eco-tourism.
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E.
El Chocón Dam
El Chocón Dam is a large hydroelectric dam in Argentina known for its significant role in power generation and flood control on the Limay River.
- 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: Arenal Dam Target entity description: Arenal Dam is a major hydroelectric dam in Costa Rica that created Lake Arenal and plays a key role in the country’s renewable energy production.
-
A.
Guana Dam
Guana Dam is a water-control structure within Florida’s Guana Tolomato Matanzas National Estuarine Research Reserve that creates the Guana Lake/Guana River impoundment used for habitat management, recreation, and research.
-
B.
Arenal
Arenal is a prominent stratovolcano in northwestern Costa Rica, famed for its near-perfect conical shape and role as a major eco-tourism and geothermal energy site.
-
C.
Arenal
Arenal is a locality in the Mexican state of Jalisco, situated near the municipality of Zapopan in the Guadalajara metropolitan area.
-
D.
Lake Arenal
Lake Arenal is Costa Rica’s largest and most famous lake, known for its scenic views of Arenal Volcano and its popularity for windsurfing, fishing, and eco-tourism.
-
E.
El Chocón Dam
El Chocón Dam is a large hydroelectric dam in Argentina known for its significant role in power generation and flood control on the Limay River.
- F. None of above. chosen
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Arenal Dam