Tungabhadra Right Bank Canal
E220367
Tungabhadra Right Bank Canal is a major irrigation and water-supply canal system in southern India that distributes water from the Tungabhadra River to agricultural and surrounding regions.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Tungabhadra Right Bank Canal canonical | 2 |
| Tungabhadra canals | 1 |
| Tungabhadra irrigation system | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1913225 — 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: Tungabhadra Right Bank Canal Context triple: [Tungabhadra River, supportsCanalSystem, Tungabhadra Right Bank Canal]
-
A.
Tungabhadra Left Bank Canal
Tungabhadra Left Bank Canal is a major irrigation canal in southern India that diverts water from the Tungabhadra River to supply agricultural fields and surrounding regions.
-
B.
Indira Gandhi Canal
The Indira Gandhi Canal is one of India’s longest irrigation canals, built to bring water from the Sutlej and Beas rivers to arid regions of Rajasthan, transforming parts of the Thar Desert into cultivable land.
-
C.
Tungabhadra River
The Tungabhadra River is a significant river in southern India that flows through the states of Karnataka, Andhra Pradesh, and Telangana, supporting irrigation, hydroelectric projects, and several historic temple towns along its course.
-
D.
Eastern Yamuna Canal
The Eastern Yamuna Canal is a major irrigation and water-supply canal in northern India that diverts water from the Yamuna River to support agriculture and nearby regions.
-
E.
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.
- 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: Tungabhadra Right Bank Canal Target entity description: Tungabhadra Right Bank Canal is a major irrigation and water-supply canal system in southern India that distributes water from the Tungabhadra River to agricultural and surrounding regions.
-
A.
Tungabhadra Left Bank Canal
Tungabhadra Left Bank Canal is a major irrigation canal in southern India that diverts water from the Tungabhadra River to supply agricultural fields and surrounding regions.
-
B.
Indira Gandhi Canal
The Indira Gandhi Canal is one of India’s longest irrigation canals, built to bring water from the Sutlej and Beas rivers to arid regions of Rajasthan, transforming parts of the Thar Desert into cultivable land.
-
C.
Tungabhadra River
The Tungabhadra River is a significant river in southern India that flows through the states of Karnataka, Andhra Pradesh, and Telangana, supporting irrigation, hydroelectric projects, and several historic temple towns along its course.
-
D.
Eastern Yamuna Canal
The Eastern Yamuna Canal is a major irrigation and water-supply canal in northern India that diverts water from the Yamuna River to support agriculture and nearby regions.
-
E.
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.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
canal system
ⓘ
irrigation canal ⓘ water supply canal ⓘ |
| associatedWithDam | Tungabhadra Dam ⓘ |
| basinCountry | India ⓘ |
| benefits |
rural communities
ⓘ
towns along its course ⓘ |
| climateZone | semi-arid region ⓘ |
| continent | Asia ⓘ |
| country | India ⓘ |
| directionFromRiver | right bank ⓘ |
| feeds |
distributary canals
ⓘ
field channels ⓘ minor canals ⓘ |
| flowsThrough |
Andhra Pradesh
ⓘ
Karnataka ⓘ |
| hasFunction |
distribution of Tungabhadra River water
ⓘ
stabilization of irrigated command area ⓘ |
| infrastructureType | major canal ⓘ |
| locatedIn |
Andhra Pradesh
ⓘ
Deccan plateau region ⓘ
linked to:
Deccan Plateau
Karnataka ⓘ southern India ⓘ
linked to:
South India
|
| managedBy | state irrigation departments ⓘ |
| namedAfter | Tungabhadra River ⓘ |
| partOf |
Tungabhadra irrigation system
ⓘ
linked to:
Tungabhadra Right Bank Canal
Tungabhadra project ⓘ
linked to:
Tungabhadra Dam
|
| purpose |
drinking water supply
ⓘ
industrial water supply ⓘ irrigation ⓘ |
| regionServed |
Bellary district
ⓘ
Koppal district ⓘ
linked to:
Koppal
Raichur district ⓘ
linked to:
Raichur
parts of Andhra Pradesh ⓘ |
| riverBasin | Krishna River basin ⓘ |
| sourceRiver | Tungabhadra River ⓘ |
| supports | food security in its command area ⓘ |
| supportsActivity |
agriculture
ⓘ
horticulture ⓘ paddy cultivation ⓘ sugarcane cultivation ⓘ |
| usesWaterFrom | Tungabhadra Dam ⓘ |
| watercourse | Tungabhadra River ⓘ |
| waterSourceType | river-fed canal ⓘ |
| waterUse | surface irrigation ⓘ |
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: Tungabhadra Right Bank Canal Description of subject: Tungabhadra Right Bank Canal is a major irrigation and water-supply canal system in southern India that distributes water from the Tungabhadra River to agricultural and surrounding regions.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Tungabhadra Right Bank Canal
linked to: Tungabhadra Right Bank Canal