Torrejón-Tajo Dam
E551652
Torrejón-Tajo Dam is a major hydraulic structure on the Tagus River in Spain, used primarily for water regulation and hydroelectric power generation within the Tagus Basin.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Tagus River hydropower system | 1 |
| Torrejón-Tajo Dam canonical | 1 |
| Torrejón-Tajo Reservoir | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5774159 — 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: Torrejón-Tajo Dam Context triple: [Tagus Basin, hasInfrastructure, Torrejón-Tajo Dam]
-
A.
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.
-
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.
Piedra del Águila Dam
Piedra del Águila Dam is a major hydroelectric dam in Argentine Patagonia, known for its large power-generating capacity and role in regulating the Limay River.
-
D.
Puente de Arganda
Puente de Arganda is a bridge spanning the Jarama River in the Madrid region of Spain, serving as a key local crossing and transport link.
-
E.
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.
- 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: Torrejón-Tajo Dam Target entity description: Torrejón-Tajo Dam is a major hydraulic structure on the Tagus River in Spain, used primarily for water regulation and hydroelectric power generation within the Tagus Basin.
-
A.
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.
-
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.
Piedra del Águila Dam
Piedra del Águila Dam is a major hydroelectric dam in Argentine Patagonia, known for its large power-generating capacity and role in regulating the Limay River.
-
D.
Puente de Arganda
Puente de Arganda is a bridge spanning the Jarama River in the Madrid region of Spain, serving as a key local crossing and transport link.
-
E.
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.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
dam
ⓘ
hydraulic structure ⓘ |
| basinCountry | Spain ⓘ |
| constructionMaterial | concrete ⓘ |
| continent | Europe ⓘ |
| country | Spain ⓘ |
| crosses | Tagus River ⓘ |
| energySource | hydropower ⓘ |
| hasReservoir |
Torrejón-Tajo Reservoir
ⓘ
linked to:
Torrejón-Tajo Dam
|
| hasSpillway | yes ⓘ |
| locatedIn |
Autonomous community of Extremadura
ⓘ
linked to:
Extremadura
Extremadura ⓘ province of Cáceres ⓘ
linked to:
Province of Cáceres
|
| locatedInDrainageBasin | Tagus Basin ⓘ |
| locatedInProtectedArea | Monfragüe National Park ⓘ |
| locatedInRiverSystem | Iberian Peninsula river system ⓘ |
| locatedNear |
Monfragüe
ⓘ
linked to:
Monfragüe National Park
Torrejón el Rubio ⓘ |
| locatedOnRiver | Tagus River ⓘ |
| operator | Iberdrola ⓘ |
| ownedBy | Iberdrola ⓘ |
| partOf |
Tagus Basin water management system
ⓘ
linked to:
Tagus Basin
Tagus River hydropower system ⓘ
linked to:
Torrejón-Tajo Dam
|
| plantType | run-of-river hydroelectric plant ⓘ |
| purpose |
flow control
ⓘ
hydroelectric power generation ⓘ water regulation ⓘ |
| usedFor |
electricity generation
ⓘ
flood control ⓘ river regulation ⓘ |
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: Torrejón-Tajo Dam Description of subject: Torrejón-Tajo Dam is a major hydraulic structure on the Tagus River in Spain, used primarily for water regulation and hydroelectric power generation within the Tagus Basin.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Torrejón-Tajo Dam
linked to: Torrejón-Tajo Dam