Fratel Dam
E546403
Fratel Dam is a hydroelectric and water management dam located on the Tagus River in Portugal.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Fratel Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5774161 — 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: Fratel Dam Context triple: [Tagus Basin, hasInfrastructure, Fratel Dam]
-
A.
Itá Dam
Itá Dam is a large hydroelectric power plant and reservoir on the Uruguay River in southern Brazil, known for its significant contribution to regional electricity generation.
-
B.
Koprinka Dam
Koprinka Dam is a large reservoir and hydroengineering facility in central Bulgaria, known for its scenic surroundings and proximity to significant Thracian archaeological sites.
-
C.
Zhinvali Dam
Zhinvali Dam is a large hydroelectric dam and reservoir in eastern Georgia, known for its striking turquoise waters and role in supplying water and power to the region.
-
D.
Salagou Dam
Salagou Dam is a French hydraulic structure in the Hérault department that created the artificial Lac du Salagou, now known for its striking red landscapes and recreational activities.
-
E.
Jurala Dam
Jurala Dam is a major irrigation and hydroelectric project built across the Krishna River in Telangana, India.
- 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: Fratel Dam Target entity description: Fratel Dam is a hydroelectric and water management dam located on the Tagus River in Portugal.
-
A.
Itá Dam
Itá Dam is a large hydroelectric power plant and reservoir on the Uruguay River in southern Brazil, known for its significant contribution to regional electricity generation.
-
B.
Koprinka Dam
Koprinka Dam is a large reservoir and hydroengineering facility in central Bulgaria, known for its scenic surroundings and proximity to significant Thracian archaeological sites.
-
C.
Zhinvali Dam
Zhinvali Dam is a large hydroelectric dam and reservoir in eastern Georgia, known for its striking turquoise waters and role in supplying water and power to the region.
-
D.
Salagou Dam
Salagou Dam is a French hydraulic structure in the Hérault department that created the artificial Lac du Salagou, now known for its striking red landscapes and recreational activities.
-
E.
Jurala Dam
Jurala Dam is a major irrigation and hydroelectric project built across the Krishna River in Telangana, India.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
dam
ⓘ
hydroelectric dam ⓘ water management infrastructure ⓘ |
| associatedWith |
Portuguese electricity sector
ⓘ
Portuguese water management system ⓘ |
| basinCountry | Portugal NERFINISHED ⓘ |
| continent | Europe ⓘ |
| country | Portugal ⓘ |
| hasEnergySource | hydropower ⓘ |
| hasFunction |
electricity production
ⓘ
water level regulation ⓘ |
| isInfrastructureType | hydraulic engineering structure ⓘ |
| isPartOf | Tagus River hydropower system ⓘ |
| locatedIn |
Iberian Peninsula
ⓘ
Portugal ⓘ Tagus River basin NERFINISHED ⓘ |
| locatedOnRiver | Tagus River NERFINISHED ⓘ |
| managesResource | surface water ⓘ |
| purpose |
hydroelectric power generation
ⓘ
river flow regulation ⓘ water management ⓘ water storage ⓘ |
| region | central Portugal ⓘ |
| usesWaterSource | Tagus River NERFINISHED ⓘ |
| watercourse | Tagus River NERFINISHED ⓘ |
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: Fratel Dam Description of subject: Fratel Dam is a hydroelectric and water management dam located on the Tagus River in Portugal.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.