Samanalawewa Reservoir
E488879
Samanalawewa Reservoir is a man-made lake in Sri Lanka known for its role in hydroelectric power generation and irrigation within the Sabaragamuwa Province.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Samanalawewa Reservoir canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4820226 — 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: Samanalawewa Reservoir Context triple: [Sabaragamuwa Province, contains, Samanalawewa Reservoir]
-
A.
Thein Reservoir
Thein Reservoir is a man-made water body in India formed by the Thein Dam on the Ravi River, used primarily for irrigation, hydropower generation, and flood control.
-
B.
Almatti Reservoir
Almatti Reservoir is a major water body in Karnataka, India, formed on the Krishna River and used for irrigation, power generation, and regional water supply.
-
C.
Canistear Reservoir
Canistear Reservoir is a man-made lake in northern New Jersey that serves as a water supply and recreational area within the township of West Milford.
-
D.
Merimere Reservoir
Merimere Reservoir is a scenic body of water in Meriden, Connecticut, known for its surrounding cliffs, hiking trails, and role as a central natural feature of Hubbard Park.
-
E.
Harangi Reservoir
Harangi Reservoir is an artificial lake in Karnataka, India, formed by the Harangi Dam on the Harangi River and used primarily for irrigation and water storage.
- 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: Samanalawewa Reservoir Target entity description: Samanalawewa Reservoir is a man-made lake in Sri Lanka known for its role in hydroelectric power generation and irrigation within the Sabaragamuwa Province.
-
A.
Thein Reservoir
Thein Reservoir is a man-made water body in India formed by the Thein Dam on the Ravi River, used primarily for irrigation, hydropower generation, and flood control.
-
B.
Almatti Reservoir
Almatti Reservoir is a major water body in Karnataka, India, formed on the Krishna River and used for irrigation, power generation, and regional water supply.
-
C.
Canistear Reservoir
Canistear Reservoir is a man-made lake in northern New Jersey that serves as a water supply and recreational area within the township of West Milford.
-
D.
Merimere Reservoir
Merimere Reservoir is a scenic body of water in Meriden, Connecticut, known for its surrounding cliffs, hiking trails, and role as a central natural feature of Hubbard Park.
-
E.
Harangi Reservoir
Harangi Reservoir is an artificial lake in Karnataka, India, formed by the Harangi Dam on the Harangi River and used primarily for irrigation and water storage.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf |
man-made lake
ⓘ
reservoir ⓘ |
| associatedWith | Samanalawewa Power Station ⓘ |
| basinCountry | Sri Lanka ⓘ |
| category |
Hydroelectric reservoirs in Sri Lanka
ⓘ
Reservoirs in Sabaragamuwa Province ⓘ |
| constructionType | embankment reservoir ⓘ |
| continent | Asia ⓘ |
| country | Sri Lanka ⓘ |
| createdBy | Samanalawewa Dam ⓘ |
| hasFunction |
regulation of river flow
ⓘ
storage of water for dry season irrigation ⓘ |
| locatedIn |
Ratnapura District
ⓘ
linked to:
Ratnapura
Sabaragamuwa Province ⓘ
linked to:
Sabaragamuwa Province of Sri Lanka
|
| locatedOn | Walawe River basin ⓘ |
| operator | Ceylon Electricity Board ⓘ |
| outflow | Walawe River ⓘ |
| partOf | Samanalawewa Hydroelectric Scheme ⓘ |
| purpose |
agricultural water supply
ⓘ
power generation ⓘ |
| region | south-central Sri Lanka ⓘ |
| use |
hydroelectric power generation
ⓘ
irrigation ⓘ |
| watercourse | Walawe River ⓘ |
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: Samanalawewa Reservoir Description of subject: Samanalawewa Reservoir is a man-made lake in Sri Lanka known for its role in hydroelectric power generation and irrigation within the Sabaragamuwa Province.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Sabaragamuwa Province of Sri Lanka