Cheruthoni River
E936938
Cheruthoni River is a significant tributary in Kerala, India, known for feeding the Idukki Reservoir and hosting the Cheruthoni Dam, one of the key hydroelectric projects in the region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cheruthoni River canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11604265 — 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: Cheruthoni River Context triple: [Periyar River, hasTributary, Cheruthoni River]
-
A.
Muvattupuzha River
The Muvattupuzha River is a major river in the Indian state of Kerala, formed by the confluence of three mountain streams and flowing through the Ernakulam district before emptying into the backwaters.
-
B.
Puzhakkal River
Puzhakkal River is a small west-flowing river in Kerala, India, that runs through the Thrissur region before draining into the Arabian Sea.
-
C.
Muthirapuzha River
The Muthirapuzha River is a major tributary of the Periyar River flowing through the hill station region of Munnar in Kerala, India, and is known for its scenic landscapes and role in local ecology and hydropower.
-
D.
Meenachil River
Meenachil River is a river in the Indian state of Kerala that flows through the Kottayam district and empties into the Vembanad Lake.
-
E.
Cheyyeru River
The Cheyyeru River is a river in the Indian state of Andhra Pradesh known for joining the Penna River and supporting irrigation and agriculture 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: Cheruthoni River Target entity description: Cheruthoni River is a significant tributary in Kerala, India, known for feeding the Idukki Reservoir and hosting the Cheruthoni Dam, one of the key hydroelectric projects in the region.
-
A.
Muvattupuzha River
The Muvattupuzha River is a major river in the Indian state of Kerala, formed by the confluence of three mountain streams and flowing through the Ernakulam district before emptying into the backwaters.
-
B.
Puzhakkal River
Puzhakkal River is a small west-flowing river in Kerala, India, that runs through the Thrissur region before draining into the Arabian Sea.
-
C.
Muthirapuzha River
The Muthirapuzha River is a major tributary of the Periyar River flowing through the hill station region of Munnar in Kerala, India, and is known for its scenic landscapes and role in local ecology and hydropower.
-
D.
Meenachil River
Meenachil River is a river in the Indian state of Kerala that flows through the Kottayam district and empties into the Vembanad Lake.
-
E.
Cheyyeru River
The Cheyyeru River is a river in the Indian state of Andhra Pradesh known for joining the Penna River and supporting irrigation and agriculture in the region.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| associatedWith |
Idukki Dam
NERFINISHED
ⓘ
Kulamavu Dam NERFINISHED ⓘ |
| basinCountry | India ⓘ |
| country | India ⓘ |
| countrySubdivision | India, Kerala, Idukki district NERFINISHED ⓘ |
| feeds | Idukki Hydroelectric Project NERFINISHED ⓘ |
| flowsInto | Idukki Reservoir NERFINISHED ⓘ |
| flowsThrough | hilly terrain of Idukki ⓘ |
| forms | part of Idukki Reservoir catchment ⓘ |
| hasDam | Cheruthoni Dam NERFINISHED ⓘ |
| hasStructure | Cheruthoni Dam NERFINISHED ⓘ |
| importance | major tributary of Periyar in Idukki district ⓘ |
| locatedIn |
Idukki district
NERFINISHED
ⓘ
Kerala NERFINISHED ⓘ southern India ⓘ |
| managedBy | Kerala State Electricity Board NERFINISHED ⓘ |
| near | Cheruthoni town NERFINISHED ⓘ |
| partOf | Periyar river basin NERFINISHED ⓘ |
| region | Western Ghats NERFINISHED ⓘ |
| relatedInfrastructure | Idukki Hydroelectric Project NERFINISHED ⓘ |
| state | Kerala NERFINISHED ⓘ |
| supports |
local agriculture
ⓘ
local fisheries ⓘ |
| tributaryOf | Periyar River NERFINISHED ⓘ |
| usedFor |
drinking water supply
ⓘ
hydroelectric power generation ⓘ irrigation ⓘ |
| waterbodyType | freshwater 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: Cheruthoni River Description of subject: Cheruthoni River is a significant tributary in Kerala, India, known for feeding the Idukki Reservoir and hosting the Cheruthoni Dam, one of the key hydroelectric projects in the region.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.