Kelani River
E566900
The Kelani River is one of Sri Lanka’s major rivers, flowing from the central highlands through key urban areas including Colombo before emptying into the Indian Ocean.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Kelani River canonical | 3 |
| Kelani River basin | 2 |
| Bentota River | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5901656 — 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: Kelani River Context triple: [Central Highlands of Sri Lanka, isWatershedFor, Kelani River]
-
A.
Meriti River
The Meriti River is a watercourse in the state of Rio de Janeiro, Brazil, that flows through the metropolitan area and empties into Guanabara Bay.
-
B.
Kuma River
The Kuma River is a significant river in southwestern Russia that flows through the North Caucasus region, including Stavropol Krai, before emptying into the Caspian Sea.
-
C.
Tua River
The Tua River is a river in northeastern Portugal that flows through a rugged, scenic valley before joining the Douro River.
-
D.
Maner River
The Maner River is a tributary of the Manjira River in southern India, contributing to the Godavari river basin and regional irrigation.
-
E.
Tuivai River
The Tuivai River is a tributary waterway in northeastern India that contributes to the Barak River system and helps drain parts of the surrounding hilly terrain.
- 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: Kelani River Target entity description: The Kelani River is one of Sri Lanka’s major rivers, flowing from the central highlands through key urban areas including Colombo before emptying into the Indian Ocean.
-
A.
Meriti River
The Meriti River is a watercourse in the state of Rio de Janeiro, Brazil, that flows through the metropolitan area and empties into Guanabara Bay.
-
B.
Kuma River
The Kuma River is a significant river in southwestern Russia that flows through the North Caucasus region, including Stavropol Krai, before emptying into the Caspian Sea.
-
C.
Tua River
The Tua River is a river in northeastern Portugal that flows through a rugged, scenic valley before joining the Douro River.
-
D.
Maner River
The Maner River is a tributary of the Manjira River in southern India, contributing to the Godavari river basin and regional irrigation.
-
E.
Tuivai River
The Tuivai River is a tributary waterway in northeastern India that contributes to the Barak River system and helps drain parts of the surrounding hilly terrain.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| associatedWith | flooding in Colombo region ⓘ |
| basinCountry | Sri Lanka NERFINISHED ⓘ |
| basinSize | approximately 2,300 square kilometres ⓘ |
| continent | Asia ⓘ |
| country | Sri Lanka ⓘ |
| crossedBy |
Kelani Bridge
NERFINISHED
ⓘ
New Kelani Bridge NERFINISHED ⓘ Victoria Bridge, Colombo NERFINISHED ⓘ |
| drainageBasin | Kelani River basin NERFINISHED ⓘ |
| emptiesInto | Indian Ocean NERFINISHED ⓘ |
| environmentalIssue |
riverbank erosion
ⓘ
sand mining impacts ⓘ water pollution ⓘ |
| flowsThrough |
Central Province, Sri Lanka
NERFINISHED
ⓘ
Colombo NERFINISHED ⓘ Gampaha District NERFINISHED ⓘ Kegalle District NERFINISHED ⓘ Sabaragamuwa Province, Sri Lanka NERFINISHED ⓘ Western Province, Sri Lanka NERFINISHED ⓘ |
| hasHydropowerPlant |
Canyon Hydropower Station
NERFINISHED
ⓘ
Laxapana Hydropower Complex NERFINISHED ⓘ New Laxapana Hydropower Station NERFINISHED ⓘ Old Laxapana Hydropower Station NERFINISHED ⓘ |
| hasTributary |
Kehelgamu Oya
NERFINISHED
ⓘ
Maskeliya Oya NERFINISHED ⓘ Seethawaka River NERFINISHED ⓘ We Oya NERFINISHED ⓘ |
| length | approximately 145 km ⓘ |
| locatedIn | Sri Lanka NERFINISHED ⓘ |
| majorRiverOf | Sri Lanka NERFINISHED ⓘ |
| mouth | Indian Ocean NERFINISHED ⓘ |
| near |
Biyagama
NERFINISHED
ⓘ
Colombo Port NERFINISHED ⓘ Nawagamuwa NERFINISHED ⓘ |
| notableFor |
being a major water source for Colombo
ⓘ
scenic valleys and waterfalls in upper reaches ⓘ |
| partOf | Sri Lanka river system ⓘ |
| passesNear |
Avissawella
NERFINISHED
ⓘ
Hanwella NERFINISHED ⓘ Kaduwela NERFINISHED ⓘ Peliyagoda NERFINISHED ⓘ |
| sourceRegion |
Central Highlands of Sri Lanka
NERFINISHED
ⓘ
Sri Pada (Adam’s Peak) massif area NERFINISHED ⓘ |
| usedFor |
drinking water supply
ⓘ
hydropower generation ⓘ inland fisheries ⓘ irrigation ⓘ sand mining ⓘ transport and navigation ⓘ |
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: Kelani River Description of subject: The Kelani River is one of Sri Lanka’s major rivers, flowing from the central highlands through key urban areas including Colombo before emptying into the Indian Ocean.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Kelani River basin
this entity surface form:
Bentota River
this entity surface form:
Kelani River basin