Cabril Dam
E582939
Cabril Dam is a major concrete arch dam in central Portugal that forms a large reservoir on the Zêzere River and supports hydroelectric power generation and water management.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cabril Dam canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5958095 — 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: Cabril Dam Context triple: [Zêzere River, hasHydroelectricDam, Cabril Dam]
-
A.
Malpaso Dam
Malpaso Dam is a major hydroelectric dam in Chiapas, Mexico, forming one of the country’s largest reservoirs and playing a key role in national power generation and flood control.
-
B.
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.
-
C.
San Roque Dam
San Roque Dam is one of the largest dams in the Philippines, serving as a major source of hydroelectric power, irrigation, and flood control in the Luzon region.
-
D.
Alicurá Dam
Alicurá Dam is a large hydroelectric dam in Argentina’s Patagonia region, known for forming the Alicurá Reservoir and generating power on the Limay River.
-
E.
Don Pedro Dam
Don Pedro Dam is a major embankment dam on the Tuolumne River in California, forming Don Pedro Reservoir and serving as a key source of water storage, hydroelectric power, and recreation in the region.
- 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: Cabril Dam Target entity description: Cabril Dam is a major concrete arch dam in central Portugal that forms a large reservoir on the Zêzere River and supports hydroelectric power generation and water management.
-
A.
Malpaso Dam
Malpaso Dam is a major hydroelectric dam in Chiapas, Mexico, forming one of the country’s largest reservoirs and playing a key role in national power generation and flood control.
-
B.
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.
-
C.
San Roque Dam
San Roque Dam is one of the largest dams in the Philippines, serving as a major source of hydroelectric power, irrigation, and flood control in the Luzon region.
-
D.
Alicurá Dam
Alicurá Dam is a large hydroelectric dam in Argentina’s Patagonia region, known for forming the Alicurá Reservoir and generating power on the Limay River.
-
E.
Don Pedro Dam
Don Pedro Dam is a major embankment dam on the Tuolumne River in California, forming Don Pedro Reservoir and serving as a key source of water storage, hydroelectric power, and recreation in the region.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
concrete arch dam
ⓘ
hydroelectric dam ⓘ |
| completionDate | 1954 ⓘ |
| constructionStart | 1950s ⓘ |
| country | Portugal ⓘ |
| countrySubdivision |
Castelo Branco District
NERFINISHED
ⓘ
Leiria District NERFINISHED ⓘ |
| damType | arch dam ⓘ |
| designedFor |
multi‑purpose water management
ⓘ
peak electricity production ⓘ |
| energySource | hydropower ⓘ |
| formsReservoir | Cabril Reservoir NERFINISHED ⓘ |
| hasPowerPlant | Cabril Hydroelectric Power Plant NERFINISHED ⓘ |
| height | approximately 132 m ⓘ |
| languageOfName | Portuguese ⓘ |
| length | approximately 290 m ⓘ |
| locatedIn |
Portugal
ⓘ
central Portugal ⓘ |
| locatedNear |
Castanheira de Pera
NERFINISHED
ⓘ
Pedrógão Grande NERFINISHED ⓘ |
| locatedOnRiver | Zêzere River NERFINISHED ⓘ |
| material | concrete ⓘ |
| nativeName | Barragem do Cabril NERFINISHED ⓘ |
| openingDate | 1954 ⓘ |
| operator | EDP – Energias de Portugal NERFINISHED ⓘ |
| owner | EDP – Energias de Portugal NERFINISHED ⓘ |
| powerPlantType | hydroelectric power plant ⓘ |
| primaryUse | hydroelectric power generation ⓘ |
| regionServed | central Portugal ⓘ |
| reservoirName | Barragem do Cabril NERFINISHED ⓘ |
| reservoirUse |
fishing
ⓘ
hydroelectric power generation ⓘ recreation ⓘ water sports ⓘ |
| riverBasin | Tagus River basin NERFINISHED ⓘ |
| significance |
important component of Portugal’s hydroelectric system
ⓘ
one of the major dams on the Zêzere River ⓘ |
| status | operational ⓘ |
| use |
flood control
ⓘ
river flow regulation ⓘ water management ⓘ water storage ⓘ |
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: Cabril Dam Description of subject: Cabril Dam is a major concrete arch dam in central Portugal that forms a large reservoir on the Zêzere River and supports hydroelectric power generation and water management.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.