Vaalkop Dam
E1013064
Vaalkop Dam is a major reservoir in South Africa used primarily for water supply and irrigation in the Crocodile (West) and Marico region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Vaalkop Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12792969 — 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: Vaalkop Dam Context triple: [Crocodile (West) and Marico Water Management Area, includesDam, Vaalkop Dam]
-
A.
Gotvand Dam
Gotvand Dam is a major rock-fill embankment dam in southwestern Iran, built on the Karun River for hydroelectric power generation, irrigation, and water regulation.
-
B.
Jurala Dam
Jurala Dam is a major irrigation and hydroelectric project built across the Krishna River in Telangana, India.
-
C.
Daivões Dam
Daivões Dam is a hydroelectric dam located on Portugal’s Tâmega River, forming part of the Tâmega electroproduction system.
-
D.
Edea Dam
Edea Dam is a major hydroelectric power facility in Cameroon that harnesses the flow of the Sanaga River to generate electricity.
-
E.
Vidraru Dam
Vidraru Dam is a major hydroelectric dam on the Argeș River in Romania, known for its impressive arch design and scenic location in the Făgăraș Mountains.
- 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: Vaalkop Dam Target entity description: Vaalkop Dam is a major reservoir in South Africa used primarily for water supply and irrigation in the Crocodile (West) and Marico region.
-
A.
Gotvand Dam
Gotvand Dam is a major rock-fill embankment dam in southwestern Iran, built on the Karun River for hydroelectric power generation, irrigation, and water regulation.
-
B.
Jurala Dam
Jurala Dam is a major irrigation and hydroelectric project built across the Krishna River in Telangana, India.
-
C.
Daivões Dam
Daivões Dam is a hydroelectric dam located on Portugal’s Tâmega River, forming part of the Tâmega electroproduction system.
-
D.
Edea Dam
Edea Dam is a major hydroelectric power facility in Cameroon that harnesses the flow of the Sanaga River to generate electricity.
-
E.
Vidraru Dam
Vidraru Dam is a major hydroelectric dam on the Argeș River in Romania, known for its impressive arch design and scenic location in the Făgăraș Mountains.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
dam
ⓘ
reservoir ⓘ |
| basinCountry | South Africa NERFINISHED ⓘ |
| country | South Africa ⓘ |
| hasEnvironmentalImpact |
creation of aquatic habitat
ⓘ
floodplain alteration ⓘ modification of river flow regime ⓘ |
| hasFunction |
regional water security
ⓘ
storage of surface water ⓘ |
| hasInfrastructureType | large dam ⓘ |
| hasReservoirName | Vaalkop Dam Reservoir NERFINISHED ⓘ |
| hasSpillwayType | gravity spillway ⓘ |
| isPartOf | Crocodile (West) and Marico water supply system NERFINISHED ⓘ |
| locatedIn | North West Province NERFINISHED ⓘ |
| locatedInDistrict | Bojanala Platinum District Municipality NERFINISHED ⓘ |
| locatedInHydrologicalRegion | Crocodile (West) and Marico NERFINISHED ⓘ |
| locatedInProtectedArea | Vaalkop Dam Nature Reserve NERFINISHED ⓘ |
| locatedInRiverBasin | Limpopo River basin NERFINISHED ⓘ |
| locatedNear | Brits NERFINISHED ⓘ |
| locatedOnRiver | Crocodile River (Limpopo) NERFINISHED ⓘ |
| managingAgency | Department of Water and Sanitation (South Africa) NERFINISHED ⓘ |
| operator | Department of Water and Sanitation (South Africa) NERFINISHED ⓘ |
| primaryUse |
irrigation
ⓘ
water supply ⓘ |
| purpose |
agricultural irrigation
ⓘ
industrial water supply ⓘ municipal water supply ⓘ |
| servesRegion | Crocodile (West) and Marico Water Management Area NERFINISHED ⓘ |
| supportsActivity |
bird watching
ⓘ
boating ⓘ recreational fishing ⓘ |
| usedBySector |
agricultural sector
ⓘ
industrial sector ⓘ municipal sector ⓘ |
| usedFor |
flow control
ⓘ
support of irrigation schemes ⓘ water regulation ⓘ |
| waterSourceType | surface water ⓘ |
| waterSuppliedTo |
Brits area
ⓘ
Rustenburg area ⓘ mining operations in North West Province ⓘ |
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: Vaalkop Dam Description of subject: Vaalkop Dam is a major reservoir in South Africa used primarily for water supply and irrigation in the Crocodile (West) and Marico region.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.