Victoria Reservoir
E477945
Victoria Reservoir is a major hydroelectric and irrigation reservoir in central Sri Lanka, created by the Victoria Dam on the Mahaweli River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Victoria Reservoir canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4677909 — 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: Victoria Reservoir Context triple: [Central Province of Sri Lanka, hasLandmark, Victoria Reservoir]
-
A.
Watergrove Reservoir
Watergrove Reservoir is a man-made lake in Greater Manchester, England, known for supplying water to the region and for the remains of the submerged village of Watergrove visible at low water levels.
-
B.
Union Reservoir
Union Reservoir is a popular recreational lake near Longmont, Colorado, known for activities such as boating, fishing, swimming, and picnicking.
-
C.
Kentmere Reservoir
Kentmere Reservoir is an upland man-made lake in the Kentmere Valley of England’s Lake District, used primarily for water supply and situated in the headwaters of the River Kent.
-
D.
Stanley Reservoir
Stanley Reservoir is a large artificial lake in Tamil Nadu, India, created on the Kaveri River and known for its role in irrigation, hydroelectric power generation, and water supply.
-
E.
Goodwin Reservoir
Goodwin Reservoir is a man-made water storage lake on the Stanislaus River in California, used primarily for irrigation, water supply, and recreation.
- 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: Victoria Reservoir Target entity description: Victoria Reservoir is a major hydroelectric and irrigation reservoir in central Sri Lanka, created by the Victoria Dam on the Mahaweli River.
-
A.
Watergrove Reservoir
Watergrove Reservoir is a man-made lake in Greater Manchester, England, known for supplying water to the region and for the remains of the submerged village of Watergrove visible at low water levels.
-
B.
Union Reservoir
Union Reservoir is a popular recreational lake near Longmont, Colorado, known for activities such as boating, fishing, swimming, and picnicking.
-
C.
Kentmere Reservoir
Kentmere Reservoir is an upland man-made lake in the Kentmere Valley of England’s Lake District, used primarily for water supply and situated in the headwaters of the River Kent.
-
D.
Stanley Reservoir
Stanley Reservoir is a large artificial lake in Tamil Nadu, India, created on the Kaveri River and known for its role in irrigation, hydroelectric power generation, and water supply.
-
E.
Goodwin Reservoir
Goodwin Reservoir is a man-made water storage lake on the Stanislaus River in California, used primarily for irrigation, water supply, and recreation.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
hydroelectric reservoir
ⓘ
irrigation reservoir ⓘ reservoir ⓘ |
| affectsDistrict |
Kandy District
NERFINISHED
ⓘ
Matale District NERFINISHED ⓘ Nuwara Eliya District NERFINISHED ⓘ |
| basinCountry | Sri Lanka NERFINISHED ⓘ |
| connectedTo | Victoria Power Station NERFINISHED ⓘ |
| constructionStartOfDam | 1978 ⓘ |
| country | Sri Lanka ⓘ |
| createdByProject | Mahaweli Ganga Development Project NERFINISHED ⓘ |
| damCompletion | 1984 ⓘ |
| environmentalSetting | hill country of Sri Lanka ⓘ |
| formedBy | Victoria Dam NERFINISHED ⓘ |
| hasCatchmentArea | Mahaweli River catchment ⓘ |
| hasDamType | arch dam ⓘ |
| hasInfrastructure |
intake tunnels
ⓘ
powerhouse ⓘ spillway gates ⓘ |
| hasManagementAuthority | Ministry of Power and Energy of Sri Lanka NERFINISHED ⓘ |
| hasPrimaryUse | electricity generation ⓘ |
| hasSecondaryUse | agricultural irrigation ⓘ |
| hasSpillway | yes ⓘ |
| impact |
resettlement of local communities
ⓘ
submergence of upstream villages ⓘ |
| isMajorComponentOf | Sri Lanka national grid hydropower system NERFINISHED ⓘ |
| locatedIn | Central Province, Sri Lanka NERFINISHED ⓘ |
| locatedInCountrySubdivision | Central Province NERFINISHED ⓘ |
| locatedInValley | Mahaweli River valley NERFINISHED ⓘ |
| locatedOnRiver | Mahaweli River NERFINISHED ⓘ |
| namedAfter | Queen Victoria ⓘ |
| nearCity |
Kandy
NERFINISHED
ⓘ
Teldeniya NERFINISHED ⓘ |
| openingDate | 1985 ⓘ |
| operator | Ceylon Electricity Board NERFINISHED ⓘ |
| partOf | Mahaweli Development Programme NERFINISHED ⓘ |
| partOfSystemWith |
Randenigala Reservoir
NERFINISHED
ⓘ
Rantembe Reservoir NERFINISHED ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ irrigation ⓘ |
| region | central Sri Lanka ⓘ |
| supportsActivity |
fishing
ⓘ
inland navigation ⓘ |
| usedFor | Victoria Hydropower Station NERFINISHED ⓘ |
| watercourse | Mahaweli River NERFINISHED ⓘ |
| waterSource | Mahaweli River NERFINISHED ⓘ |
| waterUsedFor | downstream irrigation schemes ⓘ |
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: Victoria Reservoir Description of subject: Victoria Reservoir is a major hydroelectric and irrigation reservoir in central Sri Lanka, created by the Victoria Dam on the Mahaweli River.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.