South Koel River
E689538
The South Koel River is a significant river in eastern India that flows through the Chota Nagpur Plateau region of Jharkhand, supporting local ecosystems and communities before joining larger river systems.
All labels observed (2)
| Label | Occurrences |
|---|---|
| South Koel River canonical | 4 |
| South Koel–Subarnarekha river system | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7147500 — 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: South Koel River Context triple: [Chota Nagpur Plateau, drainedBy, South Koel River]
-
A.
North Koel River
The North Koel River is a tributary of the Son River that flows through the Indian states of Jharkhand and Bihar, draining parts of the Chota Nagpur Plateau.
-
B.
Koel River
The Koel River is a significant river in eastern India that flows through the state of Jharkhand and forms part of the larger Damodar and Subarnarekha river systems.
-
C.
Subarnarekha River
The Subarnarekha River is a significant river in eastern India that flows through the states of Jharkhand, West Bengal, and Odisha before emptying into the Bay of Bengal.
-
D.
Bindal River
Bindal River is a small seasonal river flowing through Dehradun in Uttarakhand, India, known for its role in local drainage and frequent urban flooding concerns.
-
E.
Barakar River
The Barakar River is a significant tributary of the Damodar River in eastern India, flowing through Jharkhand and West Bengal and known for its role in regional irrigation and hydroelectric projects.
- 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: South Koel River Target entity description: The South Koel River is a significant river in eastern India that flows through the Chota Nagpur Plateau region of Jharkhand, supporting local ecosystems and communities before joining larger river systems.
-
A.
North Koel River
The North Koel River is a tributary of the Son River that flows through the Indian states of Jharkhand and Bihar, draining parts of the Chota Nagpur Plateau.
-
B.
Koel River
The Koel River is a significant river in eastern India that flows through the state of Jharkhand and forms part of the larger Damodar and Subarnarekha river systems.
-
C.
Subarnarekha River
The Subarnarekha River is a significant river in eastern India that flows through the states of Jharkhand, West Bengal, and Odisha before emptying into the Bay of Bengal.
-
D.
Bindal River
Bindal River is a small seasonal river flowing through Dehradun in Uttarakhand, India, known for its role in local drainage and frequent urban flooding concerns.
-
E.
Barakar River
The Barakar River is a significant tributary of the Damodar River in eastern India, flowing through Jharkhand and West Bengal and known for its role in regional irrigation and hydroelectric projects.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry | India ⓘ |
| continent | Asia ⓘ |
| country | India ⓘ |
| countrySubdivision | Jharkhand ⓘ |
| drainageBasin | Chota Nagpur Plateau ⓘ |
| ecosystemRole |
supports freshwater biodiversity
ⓘ
supports riparian habitats ⓘ |
| flowsThrough | Chota Nagpur Plateau ⓘ |
| flowsThroughRegion | Chota Nagpur Plateau ⓘ |
| hasEconomicImportance |
agriculture in surrounding areas
ⓘ
local livelihoods ⓘ |
| hasUse |
agricultural water supply
ⓘ
domestic water supply ⓘ fishing ⓘ irrigation ⓘ |
| joins | larger river systems ⓘ |
| locatedIn |
Jharkhand
ⓘ
eastern India ⓘ |
| locatedInState | Jharkhand ⓘ |
| partOf | river system of Jharkhand ⓘ |
| region | eastern India ⓘ |
| supports |
local communities
ⓘ
local ecosystems ⓘ |
| tributaryOf |
South Koel–Subarnarekha river system
ⓘ
linked to:
South Koel 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: South Koel River Description of subject: The South Koel River is a significant river in eastern India that flows through the Chota Nagpur Plateau region of Jharkhand, supporting local ecosystems and communities before joining larger river systems.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: South Koel River