Ribarroja Reservoir
E951963
Ribarroja Reservoir is a large artificial lake on the Ebro River in northeastern Spain, used primarily for hydroelectric power generation, irrigation, and water regulation.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Mar de Aragón reservoir | 1 |
| Ribarroja Reservoir canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11879649 — 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: Ribarroja Reservoir Context triple: [Ebro basin, hasMajorReservoir, Ribarroja Reservoir]
-
A.
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.
-
B.
Montijo Reservoir
Montijo Reservoir is an artificial lake and water storage facility located within Spain’s Guadiana River basin, used primarily for irrigation, water supply, and regional water management.
-
C.
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.
-
D.
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.
-
E.
Aguada Blanca reservoir
Aguada Blanca reservoir is a key artificial lake in southern Peru that supplies water and regulates flows for nearby cities and agricultural areas within the Salinas y Aguada Blanca National Reserve.
- 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: Ribarroja Reservoir Target entity description: Ribarroja Reservoir is a large artificial lake on the Ebro River in northeastern Spain, used primarily for hydroelectric power generation, irrigation, and water regulation.
-
A.
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.
-
B.
Montijo Reservoir
Montijo Reservoir is an artificial lake and water storage facility located within Spain’s Guadiana River basin, used primarily for irrigation, water supply, and regional water management.
-
C.
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.
-
D.
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.
-
E.
Aguada Blanca reservoir
Aguada Blanca reservoir is a key artificial lake in southern Peru that supplies water and regulates flows for nearby cities and agricultural areas within the Salinas y Aguada Blanca National Reserve.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
artificial lake
ⓘ
reservoir ⓘ |
| basinCountry | Spain NERFINISHED ⓘ |
| continent | Europe ⓘ |
| country | Spain ⓘ |
| downstreamReservoir | Flix Reservoir NERFINISHED ⓘ |
| hasEnergySource | hydropower ⓘ |
| hasFunction |
agricultural water supply
ⓘ
electricity production ⓘ flow regulation ⓘ |
| hasHydroelectricPlant | Ribarroja Hydroelectric Power Station NERFINISHED ⓘ |
| inflow | Ebro River NERFINISHED ⓘ |
| isPartOfCascade | Ebro River reservoirs cascade NERFINISHED ⓘ |
| locatedIn |
Aragon
ⓘ
Catalonia ⓘ Ebro Depression NERFINISHED ⓘ Province of Tarragona NERFINISHED ⓘ Province of Zaragoza NERFINISHED ⓘ northeastern Spain ⓘ |
| locatedInHydrologicalConfederation | Ebro Hydrographic Confederation NERFINISHED ⓘ |
| locatedInProtectedArea | Ribera d’Ebre region NERFINISHED ⓘ |
| locatedNear |
Mequinenza Reservoir
NERFINISHED
ⓘ
Riba-roja d’Ebre NERFINISHED ⓘ |
| locatedOnRiver | Ebro River NERFINISHED ⓘ |
| manMade | true ⓘ |
| outflow | Ebro River NERFINISHED ⓘ |
| partOf |
Ebro River basin
NERFINISHED
ⓘ
Ebro hydroelectric system NERFINISHED ⓘ |
| primaryUse | hydroelectric power generation ⓘ |
| purpose |
flood control
ⓘ
river flow management ⓘ support of irrigation schemes ⓘ |
| region |
Aragon
NERFINISHED
ⓘ
Catalonia ⓘ |
| upstreamReservoir | Mequinenza Reservoir NERFINISHED ⓘ |
| use |
irrigation
ⓘ
water regulation ⓘ |
| usedBySector |
agricultural sector
ⓘ
energy sector ⓘ tourism sector ⓘ |
| usedFor |
boating
ⓘ
recreational fishing ⓘ water sports ⓘ |
| waterBodyType | freshwater reservoir ⓘ |
| watercourse | Ebro 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: Ribarroja Reservoir Description of subject: Ribarroja Reservoir is a large artificial lake on the Ebro River in northeastern Spain, used primarily for hydroelectric power generation, irrigation, and water regulation.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Mar de Aragón reservoir