Alto Tâmega Dam
E795989
The Alto Tâmega Dam is a hydroelectric dam in northern Portugal that forms part of the Tâmega River energy and water management system.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Alto Tâmega Dam canonical | 3 |
| Alto Tâmega Hydroelectric Power Plant | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9299786 — 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: Alto Tâmega Dam Context triple: [Tâmega River, hasDam, Alto Tâmega Dam]
-
A.
Gouvães Dam
Gouvães Dam is a hydroelectric dam in northern Portugal that forms part of the Tâmega River energy complex, contributing to regional power generation and water management.
-
B.
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.
-
C.
Valdecañas Dam
Valdecañas Dam is a large hydroelectric and water-regulation dam on the Tagus River in Spain, known for forming the Valdecañas Reservoir used for power generation, irrigation, and recreation.
-
D.
Barra Bonita Dam
Barra Bonita Dam is a hydroelectric and navigation dam complex in the state of São Paulo, Brazil, known for regulating the Tietê River and forming the Barra Bonita Reservoir.
-
E.
Alcántara Dam
Alcántara Dam is a large hydroelectric dam on the Tagus River in western Spain, known for its significant role in power generation and water management.
- 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: Alto Tâmega Dam Target entity description: The Alto Tâmega Dam is a hydroelectric dam in northern Portugal that forms part of the Tâmega River energy and water management system.
-
A.
Gouvães Dam
Gouvães Dam is a hydroelectric dam in northern Portugal that forms part of the Tâmega River energy complex, contributing to regional power generation and water management.
-
B.
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.
-
C.
Valdecañas Dam
Valdecañas Dam is a large hydroelectric and water-regulation dam on the Tagus River in Spain, known for forming the Valdecañas Reservoir used for power generation, irrigation, and recreation.
-
D.
Barra Bonita Dam
Barra Bonita Dam is a hydroelectric and navigation dam complex in the state of São Paulo, Brazil, known for regulating the Tietê River and forming the Barra Bonita Reservoir.
-
E.
Alcántara Dam
Alcántara Dam is a large hydroelectric dam on the Tagus River in western Spain, known for its significant role in power generation and water management.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
gravity dam
ⓘ
hydroelectric dam ⓘ |
| basinCountry | Portugal ⓘ |
| belongsTo | Portuguese national electricity system ⓘ |
| category |
Buildings and structures in Vila Real District
ⓘ
Dams in Portugal ⓘ Hydroelectric power stations in Portugal ⓘ |
| constructionStatus | completed ⓘ |
| continent | Europe ⓘ |
| country |
Portugal
ⓘ
Republic of Portugal ⓘ
linked to:
Portugal
|
| countrySubdivision | Vila Real District ⓘ |
| energySource | hydropower ⓘ |
| energyType | renewable energy ⓘ |
| gridConnection | Portuguese transmission grid ⓘ |
| hasFunction |
electricity generation
ⓘ
peak load power supply ⓘ river flow regulation ⓘ |
| hasPart | Alto Tâmega Dam reservoir ⓘ |
| isInfrastructureType | large dam ⓘ |
| isPartOfSystem |
regional flood control system
ⓘ
regional power grid ⓘ regional water supply system ⓘ |
| isUpstreamFrom |
Daivões Dam
ⓘ
Gouvães Dam ⓘ |
| locatedIn |
Iberian Peninsula
ⓘ
Norte Region ⓘ Northern Portugal ⓘ
linked to:
northern Portugal
Tâmega e Sousa area ⓘ
linked to:
Tâmega e Sousa
|
| locatedNear | Chaves ⓘ |
| locatedOnRiver | Tâmega River ⓘ |
| operator | Iberdrola ⓘ |
| owner | Iberdrola ⓘ |
| partOf |
Tâmega Hydroelectric Complex
ⓘ
linked to:
Daivões Hydroelectric Power Plant
Tâmega River energy and water management system ⓘ Tâmega River hydroelectric scheme ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ water management ⓘ water storage ⓘ |
| region |
Tâmega River Basin
ⓘ
linked to:
Tâmega River
|
| reservoirName |
Alto Tâmega Reservoir
ⓘ
linked to:
Gouvães Reservoir
|
| sector |
electric power
ⓘ
water resources management ⓘ |
| usesTechnology | hydroelectric turbines ⓘ |
| waterBodyCreated |
Alto Tâmega Reservoir
ⓘ
linked to:
Gouvães Reservoir
|
| watercourse | Tâmega River ⓘ |
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: Alto Tâmega Dam Description of subject: The Alto Tâmega Dam is a hydroelectric dam in northern Portugal that forms part of the Tâmega River energy and water management system.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Alto Tâmega Dam