Periyar
E936410
Periyar is a major river in the Indian state of Kerala, known for its crucial role in irrigation, drinking water supply, and hydroelectric power generation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Periyar canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T11604294 — 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: Periyar Context triple: [Periyar River, alsoKnownAs, Periyar]
-
A.
Rajaji
Rajaji was the popular name of C. Rajagopalachari, an Indian statesman, independence activist, last Governor-General of India, and founder of the Swatantra Party.
-
B.
Pillaiyar
Pillaiyar is a widely revered elephant-headed Hindu deity, especially in South India, worshipped as the remover of obstacles and patron of beginnings and wisdom.
-
C.
Kailasam
Kailasam is the given name of renowned Indian filmmaker and playwright K. Balachander, a major figure in Tamil cinema and theatre.
-
D.
Annamalaiyar
Annamalaiyar is a form of the Hindu god Shiva venerated as the presiding deity of the sacred hill-temple complex at Tiruvannamalai in Tamil Nadu, India.
-
E.
Lohia
Lohia is an Indian surname most prominently associated with socialist leader and activist Ram Manohar Lohia.
- 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: Periyar Target entity description: Periyar is a major river in the Indian state of Kerala, known for its crucial role in irrigation, drinking water supply, and hydroelectric power generation.
-
A.
Rajaji
Rajaji was the popular name of C. Rajagopalachari, an Indian statesman, independence activist, last Governor-General of India, and founder of the Swatantra Party.
-
B.
Pillaiyar
Pillaiyar is a widely revered elephant-headed Hindu deity, especially in South India, worshipped as the remover of obstacles and patron of beginnings and wisdom.
-
C.
Kailasam
Kailasam is the given name of renowned Indian filmmaker and playwright K. Balachander, a major figure in Tamil cinema and theatre.
-
D.
Annamalaiyar
Annamalaiyar is a form of the Hindu god Shiva venerated as the presiding deity of the sacred hill-temple complex at Tiruvannamalai in Tamil Nadu, India.
-
E.
Lohia
Lohia is an Indian surname most prominently associated with socialist leader and activist Ram Manohar Lohia.
- F. None of above. chosen
Statements (63)
| Predicate | Object |
|---|---|
| instanceOf |
perennial river
ⓘ
river ⓘ |
| alsoKnownAs |
Lifeline of Kerala
ⓘ
Periyar River ⓘ |
| basinCountry | India ⓘ |
| basinState | Kerala ⓘ |
| country | India ⓘ |
| culturalSignificance | important in local festivals and rituals in central Kerala ⓘ |
| economicRole |
supports agriculture in its command area
ⓘ
supports industries in Eloor-Edayar industrial belt ⓘ |
| emptiesInto | Arabian Sea ⓘ |
| environmentalIssue |
encroachment on riverbanks
ⓘ
industrial pollution in lower reaches near Eloor ⓘ sand mining ⓘ |
| formsReservoir |
Idamalayar Reservoir
ⓘ
Idukki Reservoir ⓘ
linked to:
Idukki Dam
Periyar Lake ⓘ |
| hasDam |
Cheruthoni Dam
ⓘ
Edamalayar Dam ⓘ
linked to:
Idamalayar Dam
Idamalayar Dam ⓘ Idukki Dam ⓘ Kulamavu Dam ⓘ |
| hasDeltaOrEstuary | Periyar estuary near Kochi ⓘ |
| hasHydroelectricProject |
Edamalayar Hydroelectric Project
ⓘ
linked to:
Idamalayar Hydroelectric Project
Idamalayar Hydroelectric Project ⓘ Idukki Hydroelectric Project ⓘ |
| importance |
key river for hydroelectric power in Kerala
ⓘ
major source of drinking water for Kochi metropolitan area ⓘ major source of irrigation water in central Kerala ⓘ |
| length | approximately 244 km ⓘ |
| locatedIn |
Kerala
ⓘ
South India ⓘ Western Ghats region ⓘ
linked to:
Western Ghats
|
| majorCityOnRiver |
Aluva
ⓘ
Kochi ⓘ Perumbavoor ⓘ |
| mouthLocatedIn | Arabian Sea ⓘ |
| passesThroughDistrict |
Ernakulam district
ⓘ
Idukki district ⓘ Pathanamthitta district ⓘ Thrissur district ⓘ |
| protectedAreaAssociated |
Periyar Tiger Reserve
ⓘ
Periyar Wildlife Sanctuary ⓘ
linked to:
Periyar National Park
|
| rankByLengthInKerala | one of the longest rivers in Kerala ⓘ |
| riverSystem |
Periyar River basin
ⓘ
linked to:
Periyar basin
|
| sourceLocation |
Sivagiri Hills
ⓘ
Western Ghats ⓘ |
| sourceState | Kerala ⓘ |
| state | Kerala ⓘ |
| tributary |
Cheruthoni River
ⓘ
Edamala River NERFINISHED ⓘ Idamalayar River ⓘ
linked to:
Edamalayar River
Mullayar River ⓘ Muthirapuzha River ⓘ Perinjankutti River NERFINISHED ⓘ Periyar Right Bank tributaries in Idukki ⓘ Pooyamkutty River ⓘ
linked to:
Mannappuzha River
|
| usedFor |
drinking water supply
ⓘ
fishing ⓘ hydroelectric power generation ⓘ industrial water supply ⓘ irrigation ⓘ navigation in lower reaches ⓘ |
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: Periyar Description of subject: Periyar is a major river in the Indian state of Kerala, known for its crucial role in irrigation, drinking water supply, and hydroelectric power generation.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.