Tungabhadra Left Bank Canal
E215827
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tungabhadra Left Bank Canal canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1913224 — 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 Left Bank Canal Context triple: [Tungabhadra River, supportsCanalSystem, Tungabhadra Left Bank Canal]
-
A.
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.
-
B.
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.
-
C.
Western Yamuna Canal
The Western Yamuna Canal is a major irrigation and water-supply canal system in northern India that diverts water from the Yamuna River to agricultural and urban areas in Haryana and surrounding regions.
-
D.
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.
-
E.
Upper Ganga Canal system
The Upper Ganga Canal system is a major irrigation and water management network in northern India that channels water from the Ganges River to support agriculture, drinking water supply, and power generation across several states.
- 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 Left Bank Canal Target entity description: 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.
-
A.
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.
-
B.
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.
-
C.
Western Yamuna Canal
The Western Yamuna Canal is a major irrigation and water-supply canal system in northern India that diverts water from the Yamuna River to agricultural and urban areas in Haryana and surrounding regions.
-
D.
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.
-
E.
Upper Ganga Canal system
The Upper Ganga Canal system is a major irrigation and water management network in northern India that channels water from the Ganges River to support agriculture, drinking water supply, and power generation across several states.
- F. None of above. chosen
Statements (27)
| Predicate | Object |
|---|---|
| instanceOf |
irrigation canal
ⓘ
water infrastructure ⓘ |
| basinCountry | India ⓘ |
| continent | Asia ⓘ |
| country | India ⓘ |
| divertsWaterFrom | Tungabhadra River ⓘ |
| flowsThrough |
Andhra Pradesh
ⓘ
Karnataka ⓘ |
| hasUse | surface irrigation ⓘ |
| languageRegion |
Kannada-speaking region
ⓘ
Telugu-speaking region ⓘ |
| locatedIn |
Andhra Pradesh
ⓘ
Karnataka ⓘ South India ⓘ
surface form:
southern India
|
| locatedOnBankOf | left bank of Tungabhadra River ⓘ |
| managingSector |
Karnataka Water Resources Department
ⓘ
surface form:
water resources department of Karnataka
|
| partOf |
Tungabhadra Hydroelectric Project
ⓘ
surface form:
Tungabhadra irrigation project
|
| purpose | irrigation ⓘ |
| regionServed |
Bellary district
ⓘ
Koppal ⓘ
surface form:
Koppal district
Raichur district ⓘ |
| riverBasin | Krishna River basin ⓘ |
| sector | agriculture ⓘ |
| suppliesWaterTo |
agricultural fields
ⓘ
surrounding regions ⓘ |
| usesWaterFor | agricultural irrigation ⓘ |
| waterSource | Tungabhadra 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: Tungabhadra Left Bank Canal Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.