Cabril Reservoir
E557697
Cabril Reservoir is a major artificial lake in central Portugal, created by a dam on the Zêzere River and used for hydroelectric power generation, water storage, and recreation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cabril Reservoir canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T5958088 — 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 Reservoir Context triple: [Zêzere River, formsReservoir, Cabril Reservoir]
-
A.
Carraízo reservoir
Carraízo Reservoir is a major water storage lake in Puerto Rico that serves as a key source of drinking water and flood control for the San Juan metropolitan area.
-
B.
Burguillo Reservoir
Burguillo Reservoir is a major artificial lake and dam in central Spain, known for regulating water from the Alberche River and serving as a popular site for recreation and hydroelectric power.
-
C.
Pilarcitos Reservoir
Pilarcitos Reservoir is a key drinking water storage reservoir on the San Francisco Peninsula that helps supply water to the San Francisco Bay Area.
-
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.
Dique do Tororó
Dique do Tororó is a historic urban lake and recreational area in Salvador, Bahia, known for its scenic views and large sculptures of Afro-Brazilian orixás.
- 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 Reservoir Target entity description: Cabril Reservoir is a major artificial lake in central Portugal, created by a dam on the Zêzere River and used for hydroelectric power generation, water storage, and recreation.
-
A.
Carraízo reservoir
Carraízo Reservoir is a major water storage lake in Puerto Rico that serves as a key source of drinking water and flood control for the San Juan metropolitan area.
-
B.
Burguillo Reservoir
Burguillo Reservoir is a major artificial lake and dam in central Spain, known for regulating water from the Alberche River and serving as a popular site for recreation and hydroelectric power.
-
C.
Pilarcitos Reservoir
Pilarcitos Reservoir is a key drinking water storage reservoir on the San Francisco Peninsula that helps supply water to the San Francisco Bay Area.
-
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.
Dique do Tororó
Dique do Tororó is a historic urban lake and recreational area in Salvador, Bahia, known for its scenic views and large sculptures of Afro-Brazilian orixás.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf | reservoir ⓘ |
| basinCountry | Portugal ⓘ |
| contributesTo | national electricity grid of Portugal ⓘ |
| country | Portugal ⓘ |
| createdBy | Cabril Dam ⓘ |
| formedBy | impoundment of the Zêzere River ⓘ |
| hasActivity |
boating
ⓘ
fishing ⓘ swimming ⓘ tourism ⓘ water sports ⓘ |
| hasDamType | concrete arch dam ⓘ |
| hasEcosystemType | freshwater lake ecosystem ⓘ |
| hasFunction |
base-load electricity support
ⓘ
peak electricity production ⓘ regional water regulation ⓘ |
| hasInfrastructure |
hydroelectric power plant
ⓘ
intake tower ⓘ spillway ⓘ |
| hasRecreationalFacility |
boat ramps
ⓘ
picnic areas ⓘ viewpoints ⓘ |
| hasShorelineFeature |
forested slopes
ⓘ
steep valleys ⓘ |
| isArtificial | true ⓘ |
| locatedIn | central Portugal ⓘ |
| locatedInDistrict |
Castelo Branco District
ⓘ
Leiria District ⓘ |
| locatedInRegion | Centro Region of Portugal ⓘ |
| locatedNear |
Oleiros
ⓘ
Pedrógão Grande ⓘ Sertã ⓘ |
| locatedOnRiver | Zêzere River ⓘ |
| operator | Portuguese electricity sector ⓘ |
| outflow | Zêzere River ⓘ |
| partOf |
Tagus River basin
ⓘ
linked to:
Tagus Basin
Zêzere River basin ⓘ
linked to:
Zêzere River
|
| subjectTo | Portuguese water management regulations ⓘ |
| use |
flood control
ⓘ
hydroelectric power generation ⓘ irrigation support ⓘ recreation ⓘ water storage ⓘ |
| watercourse | Zêzere River ⓘ |
| waterType | freshwater ⓘ |
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 Reservoir Description of subject: Cabril Reservoir is a major artificial lake in central Portugal, created by a dam on the Zêzere River and used for hydroelectric power generation, water storage, and recreation.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.