Angostura Dam
E497857
Angostura Dam is a major hydroelectric dam in Mexico that forms part of the country’s important Grijalva River power generation system.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Angostura Dam canonical | 1 |
| Presa La Angostura | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5063760 — 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: Angostura Dam Context triple: [Grijalva River, hasHydroelectricDam, Angostura Dam]
-
A.
Angostura Dam
Angostura Dam is a hydroelectric power facility located on Chile’s Biobío River, contributing to the country’s renewable energy generation.
-
B.
El Quimbo Dam
El Quimbo Dam is a large hydroelectric dam on the Magdalena River in Colombia, built to generate power and support the country’s energy supply.
-
C.
Chicoasén Dam
Chicoasén Dam is a major hydroelectric dam in Chiapas, Mexico, known as one of the largest power-generating facilities in the country.
-
D.
San Carlos Dam
San Carlos Dam is a major concrete gravity dam in Arizona that creates San Carlos Lake and provides irrigation water, flood control, and hydroelectric power along the Gila River.
-
E.
Macagua Dam
Macagua Dam is a major hydroelectric dam complex in Venezuela that forms part of the Guri–Macagua–Caruachi system generating power from the Caroní 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: Angostura Dam Target entity description: Angostura Dam is a major hydroelectric dam in Mexico that forms part of the country’s important Grijalva River power generation system.
-
A.
Angostura Dam
Angostura Dam is a hydroelectric power facility located on Chile’s Biobío River, contributing to the country’s renewable energy generation.
-
B.
El Quimbo Dam
El Quimbo Dam is a large hydroelectric dam on the Magdalena River in Colombia, built to generate power and support the country’s energy supply.
-
C.
Chicoasén Dam
Chicoasén Dam is a major hydroelectric dam in Chiapas, Mexico, known as one of the largest power-generating facilities in the country.
-
D.
San Carlos Dam
San Carlos Dam is a major concrete gravity dam in Arizona that creates San Carlos Lake and provides irrigation water, flood control, and hydroelectric power along the Gila River.
-
E.
Macagua Dam
Macagua Dam is a major hydroelectric dam complex in Venezuela that forms part of the Guri–Macagua–Caruachi system generating power from the Caroní River.
- F. None of above. chosen
Statements (38)
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: Angostura Dam Description of subject: Angostura Dam is a major hydroelectric dam in Mexico that forms part of the country’s important Grijalva River power generation system.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Angostura Dam