Periyar River
E275212
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Periyar River canonical | 10 |
| Periyar River basin | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1409602 — 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 River Context triple: [South India, hasMajorRiver, Periyar 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.
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.
-
C.
Amaravati River
The Amaravati River is a significant river in southern India that flows through the state of Tamil Nadu, supporting agriculture and local ecosystems before joining the Kaveri.
-
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.
Varuna River
The Varuna River is a minor but historically significant river in northern India that flows near Varanasi, contributing to the city’s name and sacred geography.
- 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 River Target entity description: 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.
-
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.
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.
-
C.
Amaravati River
The Amaravati River is a significant river in southern India that flows through the state of Tamil Nadu, supporting agriculture and local ecosystems before joining the Kaveri.
-
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.
Varuna River
The Varuna River is a minor but historically significant river in northern India that flows near Varanasi, contributing to the city’s name and sacred geography.
- F. None of above. chosen
Statements (57)
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 River Description of subject: 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.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Periyar River basin