Belver Dam
E566849
Belver Dam is a hydroelectric dam on the Tagus River in Portugal, used primarily for power generation and river flow regulation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Belver Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5774162 — 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: Belver Dam Context triple: [Tagus Basin, hasInfrastructure, Belver Dam]
-
A.
Merwin Dam
Merwin Dam is a hydroelectric dam on Washington State’s Lewis River that forms Lake Merwin and generates power for the region.
-
B.
Howden Dam
Howden Dam is a large masonry dam in Derbyshire, England, forming part of the Upper Derwent Valley reservoir system and known for its impressive architecture and role in regional water supply.
-
C.
Fengman Dam
Fengman Dam is a large hydroelectric gravity dam on the Songhua River in Jilin Province, China, known for its significant role in regional power generation and flood control.
-
D.
Denison Dam
Denison Dam is a large earthen dam on the Red River between Texas and Oklahoma, built for flood control, hydroelectric power generation, and water supply.
-
E.
McClure Dam
McClure Dam is a hydroelectric dam on the Dead River in Michigan, forming McClure Basin and providing power and water management for the surrounding region.
- 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: Belver Dam Target entity description: Belver Dam is a hydroelectric dam on the Tagus River in Portugal, used primarily for power generation and river flow regulation.
-
A.
Merwin Dam
Merwin Dam is a hydroelectric dam on Washington State’s Lewis River that forms Lake Merwin and generates power for the region.
-
B.
Howden Dam
Howden Dam is a large masonry dam in Derbyshire, England, forming part of the Upper Derwent Valley reservoir system and known for its impressive architecture and role in regional water supply.
-
C.
Fengman Dam
Fengman Dam is a large hydroelectric gravity dam on the Songhua River in Jilin Province, China, known for its significant role in regional power generation and flood control.
-
D.
Denison Dam
Denison Dam is a large earthen dam on the Red River between Texas and Oklahoma, built for flood control, hydroelectric power generation, and water supply.
-
E.
McClure Dam
McClure Dam is a hydroelectric dam on the Dead River in Michigan, forming McClure Basin and providing power and water management for the surrounding region.
- F. None of above. chosen
Statements (20)
| Predicate | Object |
|---|---|
| instanceOf | hydroelectric dam ⓘ |
| basinCountry | Portugal NERFINISHED ⓘ |
| continent | Europe ⓘ |
| country | Portugal ⓘ |
| energySource | hydropower ⓘ |
| hasFunction |
electricity production
ⓘ
flood control ⓘ |
| infrastructureType | renewable energy infrastructure ⓘ |
| isPartOf | Tagus River basin NERFINISHED ⓘ |
| locatedIn |
Portugal
ⓘ
Santarém District NERFINISHED ⓘ |
| locatedNear | Belver NERFINISHED ⓘ |
| locatedOnRiver | Tagus River NERFINISHED ⓘ |
| primaryUse | power generation ⓘ |
| purpose |
flow regulation
ⓘ
hydroelectric power generation ⓘ |
| region | Central Portugal NERFINISHED ⓘ |
| riverSystem | Tagus River system NERFINISHED ⓘ |
| use | river flow regulation ⓘ |
| 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: Belver Dam Description of subject: Belver Dam is a hydroelectric dam on the Tagus River in Portugal, used primarily for power generation and river flow regulation.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.