Koyna Dam
E251145
Koyna Dam is a large masonry dam in Maharashtra, India, renowned for its major hydroelectric power project and role in water management in the Western Ghats region.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Koyna Dam canonical | 4 |
| Koyna Hydroelectric Project | 3 |
| Koyna Reservoir | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1916433 — 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 Dam Context triple: [Krishna River basin, hasMajorDam, Koyna Dam]
-
A.
Kabini Dam
Kabini Dam is a major reservoir and irrigation dam built across the Kabini River in Karnataka, India, supporting water supply, agriculture, and regional wildlife habitats.
-
B.
Ghataprabha Dam
Ghataprabha Dam is a major irrigation and hydroelectric dam in Karnataka, India, built across the Ghataprabha River to support agriculture and water supply in the region.
-
C.
Malaprabha Dam
Malaprabha Dam is a major irrigation and water-supply dam built across the Malaprabha River in Karnataka, India.
-
D.
Bhima Dam
Bhima Dam is a major irrigation and water management structure built across the Bhima River in India.
-
E.
Indira Sagar Dam
Indira Sagar Dam is a large multipurpose concrete dam on the Narmada River in Madhya Pradesh, India, known for its significant hydroelectric power generation and irrigation capacity.
- 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 Dam Target entity description: Koyna Dam is a large masonry dam in Maharashtra, India, renowned for its major hydroelectric power project and role in water management in the Western Ghats region.
-
A.
Kabini Dam
Kabini Dam is a major reservoir and irrigation dam built across the Kabini River in Karnataka, India, supporting water supply, agriculture, and regional wildlife habitats.
-
B.
Ghataprabha Dam
Ghataprabha Dam is a major irrigation and hydroelectric dam in Karnataka, India, built across the Ghataprabha River to support agriculture and water supply in the region.
-
C.
Malaprabha Dam
Malaprabha Dam is a major irrigation and water-supply dam built across the Malaprabha River in Karnataka, India.
-
D.
Bhima Dam
Bhima Dam is a major irrigation and water management structure built across the Bhima River in India.
-
E.
Indira Sagar Dam
Indira Sagar Dam is a large multipurpose concrete dam on the Narmada River in Madhya Pradesh, India, known for its significant hydroelectric power generation and irrigation capacity.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
dam
ⓘ
hydroelectric dam ⓘ masonry dam ⓘ |
| associatedWith |
Koyna Dam
self-linksurface differs
ⓘ
surface form:
Koyna Hydroelectric Project
|
| constructionMaterial |
concrete
ⓘ
masonry ⓘ |
| continent | Asia ⓘ |
| country | India ⓘ |
| countrySubdivision |
Maharashtra
ⓘ
surface form:
state of Maharashtra
|
| crosses | Koyna River ⓘ |
| damType | straight gravity dam ⓘ |
| energySource | hydropower ⓘ |
| geographicalContext |
Western Ghats
ⓘ
surface form:
Western Ghats mountain range
|
| hasReservoir | Shivaji Sagar Lake ⓘ |
| impact |
creation of large artificial lake
ⓘ
regional irrigation development ⓘ regional power supply ⓘ |
| infrastructureType | large dam ⓘ |
| locatedIn |
Maharashtra
ⓘ
Satara district ⓘ |
| locatedInCountry | India ⓘ |
| locatedInProtectedArea | Koyna Wildlife Sanctuary ⓘ |
| locatedInRegion | Western Ghats ⓘ |
| locatedInState | Maharashtra ⓘ |
| locatedNear |
Koynanagar
ⓘ
Patan taluka ⓘ |
| notableFor |
large hydroelectric power project
ⓘ
seismic activity in the region ⓘ water management in Western Ghats ⓘ |
| operator | Maharashtra State Electricity Board ⓘ |
| owner | Government of Maharashtra ⓘ |
| partOf |
Koyna Dam
self-linksurface differs
ⓘ
surface form:
Koyna Hydroelectric Project
|
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ irrigation ⓘ water supply ⓘ |
| region |
Western Maharashtra
ⓘ
surface form:
western Maharashtra
|
| reservoirName | Shivaji Sagar Lake ⓘ |
| riverBasin | Krishna River basin ⓘ |
| status | operational ⓘ |
| usedFor |
multi‑purpose river development
ⓘ
peak load power generation ⓘ |
| waterManagementRole |
regulation of downstream flows
ⓘ
storage of monsoon runoff ⓘ |
| waterSource | Koyna 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: Koyna Dam Description of subject: Koyna Dam is a large masonry dam in Maharashtra, India, renowned for its major hydroelectric power project and role in water management in the Western Ghats region.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Koyna Reservoir
this entity surface form:
Koyna Hydroelectric Project
this entity surface form:
Koyna Hydroelectric Project
this entity surface form:
Koyna Hydroelectric Project