Randenigala Dam
E554231
Randenigala Dam is a major hydroelectric and irrigation dam in Sri Lanka, forming part of the Mahaweli Development Programme and creating the Randenigala Reservoir.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Randenigala Dam canonical | 1 |
| Randenigala Hydroelectric Power Station | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5887606 — 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: Randenigala Dam Context triple: [Mahaweli River, hasDam, Randenigala Dam]
-
A.
Ralco Dam
Ralco Dam is a major hydroelectric power plant in Chile, known for its large reservoir and controversial impact on the local environment and indigenous communities.
-
B.
Manantali Dam
Manantali Dam is a large multi-purpose dam in Mali that plays a key role in hydroelectric power generation, irrigation, and flood control for the Senegal River basin.
-
C.
Wayatinah Dam
Wayatinah Dam is a hydroelectric dam on Tasmania’s Derwent River that forms part of the state’s major power generation scheme.
-
D.
Mula Dam
Mula Dam is a major irrigation and water-supply dam built on the Mula River in Maharashtra, India.
-
E.
Navilatirtha Dam
Navilatirtha Dam is a major irrigation and water management structure built across the Malaprabha River in Karnataka, India.
- 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: Randenigala Dam Target entity description: Randenigala Dam is a major hydroelectric and irrigation dam in Sri Lanka, forming part of the Mahaweli Development Programme and creating the Randenigala Reservoir.
-
A.
Ralco Dam
Ralco Dam is a major hydroelectric power plant in Chile, known for its large reservoir and controversial impact on the local environment and indigenous communities.
-
B.
Manantali Dam
Manantali Dam is a large multi-purpose dam in Mali that plays a key role in hydroelectric power generation, irrigation, and flood control for the Senegal River basin.
-
C.
Wayatinah Dam
Wayatinah Dam is a hydroelectric dam on Tasmania’s Derwent River that forms part of the state’s major power generation scheme.
-
D.
Mula Dam
Mula Dam is a major irrigation and water-supply dam built on the Mula River in Maharashtra, India.
-
E.
Navilatirtha Dam
Navilatirtha Dam is a major irrigation and water management structure built across the Malaprabha River in Karnataka, India.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
gravity dam
ⓘ
hydroelectric dam ⓘ irrigation dam ⓘ |
| basinCountry | Sri Lanka NERFINISHED ⓘ |
| belongsToProject | Mahaweli Development Project NERFINISHED ⓘ |
| connectedTo | Rantembe Dam NERFINISHED ⓘ |
| constructionMaterial | concrete ⓘ |
| continent | Asia ⓘ |
| country | Sri Lanka ⓘ |
| countrySubdivision | Central Province NERFINISHED ⓘ |
| createsReservoir | Randenigala Reservoir NERFINISHED ⓘ |
| energySector | Sri Lankan power grid ⓘ |
| hasFunction | multipurpose dam ⓘ |
| hasSpillway | yes ⓘ |
| locatedIn | Central Province, Sri Lanka NERFINISHED ⓘ |
| locatedInRiverSystem | Mahaweli River basin NERFINISHED ⓘ |
| locatedOnRiver | Mahaweli River NERFINISHED ⓘ |
| operator | Ceylon Electricity Board NERFINISHED ⓘ |
| partOf |
Mahaweli Development Programme
NERFINISHED
ⓘ
Mahaweli Ganga hydropower system NERFINISHED ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ irrigation ⓘ |
| region | Kandy District NERFINISHED ⓘ |
| reservoirName | Randenigala Reservoir NERFINISHED ⓘ |
| spillwayType | gated spillway ⓘ |
| status | operational ⓘ |
| usedFor |
river regulation
ⓘ
water storage ⓘ |
| waterbodyFormed | Randenigala Reservoir 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: Randenigala Dam Description of subject: Randenigala Dam is a major hydroelectric and irrigation dam in Sri Lanka, forming part of the Mahaweli Development Programme and creating the Randenigala Reservoir.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Randenigala Hydroelectric Power Station