Koyna River
E403127
The Koyna River is a major river in western India known for the Koyna Dam and its significant role in hydroelectric power generation in Maharashtra.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Koyna River canonical | 7 |
How this entity was disambiguated
This entity first appeared as the object of triple T1916416 — 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: Koyna River Context triple: [Krishna River basin, hasTributary, Koyna River]
-
A.
Kolar River
The Kolar River is a significant tributary of central India’s Narmada River, contributing to the region’s water resources and irrigation.
-
B.
Ghataprabha River
The Ghataprabha River is a significant river in southern India that flows through Karnataka and Maharashtra, supporting irrigation, agriculture, and hydroelectric projects before joining the Krishna River.
-
C.
Malaprabha River
The Malaprabha River is a significant river in the Indian state of Karnataka, known for supporting irrigation, agriculture, and historic temple sites such as those at Pattadakal and Aihole.
-
D.
Bhima River
The Bhima River is a significant river in southern India that flows through Maharashtra, Karnataka, and Telangana, supporting extensive agriculture and numerous settlements along its course.
-
E.
Periyar River
The Periyar River is the longest river in the Indian state of Kerala, known for its crucial role in irrigation, drinking water supply, and hydroelectric power generation in the region.
- 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: Koyna River Target entity description: The Koyna River is a major river in western India known for the Koyna Dam and its significant role in hydroelectric power generation in Maharashtra.
-
A.
Kolar River
The Kolar River is a significant tributary of central India’s Narmada River, contributing to the region’s water resources and irrigation.
-
B.
Ghataprabha River
The Ghataprabha River is a significant river in southern India that flows through Karnataka and Maharashtra, supporting irrigation, agriculture, and hydroelectric projects before joining the Krishna River.
-
C.
Malaprabha River
The Malaprabha River is a significant river in the Indian state of Karnataka, known for supporting irrigation, agriculture, and historic temple sites such as those at Pattadakal and Aihole.
-
D.
Bhima River
The Bhima River is a significant river in southern India that flows through Maharashtra, Karnataka, and Telangana, supporting extensive agriculture and numerous settlements along its course.
-
E.
Periyar River
The Periyar River is the longest river in the Indian state of Kerala, known for its crucial role in irrigation, drinking water supply, and hydroelectric power generation in the region.
- F. None of above. chosen
Statements (34)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| associatedWith | Koyna Wildlife Sanctuary ⓘ |
| basinCountry | India ⓘ |
| country | India ⓘ |
| ecosystemType | tropical monsoon river system ⓘ |
| flowsThrough |
Ratnagiri
ⓘ
surface form:
Ratnagiri district
Satara district ⓘ |
| hasDam | Koyna Dam ⓘ |
| hasFloodRisk | downstream areas of Krishna River ⓘ |
| hasHydroelectricPlant |
Koyna Hydroelectric Project Stage I
ⓘ
Koyna Hydroelectric Project Stage I ⓘ
surface form:
Koyna Hydroelectric Project Stage II
Koyna Hydroelectric Project Stage I ⓘ
surface form:
Koyna Hydroelectric Project Stage III
Koyna Hydroelectric Project Stage IV ⓘ |
| hasReservoir | Shivaji Sagar Lake ⓘ |
| influences |
local agriculture in Ratnagiri district
ⓘ
local agriculture in Satara district ⓘ |
| knownFor |
Koyna Dam
ⓘ
hydroelectric power generation ⓘ |
| languageOfToponym |
Marathi language
ⓘ
surface form:
Marathi
|
| locatedIn |
Deccan Plateau region
ⓘ
Maharashtra ⓘ Western Ghats ⓘ |
| mouthLocation | confluence with Krishna River ⓘ |
| near |
Chandoli National Park
ⓘ
Koynanagar ⓘ |
| partOf | Krishna River basin ⓘ |
| region | western India ⓘ |
| sourceLocation |
Mahabaleshwar
ⓘ
surface form:
Mahabaleshwar region
|
| state | Maharashtra ⓘ |
| supports |
Koyna Dam
ⓘ
surface form:
Koyna Hydroelectric Project
|
| tributaryOf | Krishna River NERFINISHED ⓘ |
| usedFor |
drinking water supply
ⓘ
hydroelectricity ⓘ irrigation ⓘ |
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: Koyna River Description of subject: The Koyna River is a major river in western India known for the Koyna Dam and its significant role in hydroelectric power generation in Maharashtra.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.