Okhla Barrage
E40488
Okhla Barrage is a major dam and bridge structure on the Yamuna River near Delhi, India, used for irrigation, flood control, and regulating water flow.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Okhla Barrage canonical | 2 |
| Okhla Barrage reservoir | 1 |
| Yamuna River water supply system of Delhi | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T308952 — 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: Okhla Barrage Context triple: [Yamuna, hasBarrage, Okhla Barrage]
-
A.
Wazirabad Barrage
Wazirabad Barrage is a major water-regulating structure on the Yamuna River in Delhi, India, used for diversion and supply of water to the city.
-
B.
Hathni Kund Barrage
Hathni Kund Barrage is a major diversion and flood-control structure on the Yamuna River in the Indian state of Haryana, crucial for regulating water supply to northern India.
-
C.
Prakasam Barrage
Prakasam Barrage is a major masonry dam and road bridge in Vijayawada, Andhra Pradesh, that regulates the Krishna River and supports irrigation and water supply for the surrounding region.
-
D.
Nagarjuna Sagar Dam
Nagarjuna Sagar Dam is a major masonry dam in southern India, renowned as one of the world’s largest man-made lakes and a key source of irrigation and hydroelectric power for the region.
-
E.
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.
- 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: Okhla Barrage Target entity description: Okhla Barrage is a major dam and bridge structure on the Yamuna River near Delhi, India, used for irrigation, flood control, and regulating water flow.
-
A.
Wazirabad Barrage
Wazirabad Barrage is a major water-regulating structure on the Yamuna River in Delhi, India, used for diversion and supply of water to the city.
-
B.
Hathni Kund Barrage
Hathni Kund Barrage is a major diversion and flood-control structure on the Yamuna River in the Indian state of Haryana, crucial for regulating water supply to northern India.
-
C.
Prakasam Barrage
Prakasam Barrage is a major masonry dam and road bridge in Vijayawada, Andhra Pradesh, that regulates the Krishna River and supports irrigation and water supply for the surrounding region.
-
D.
Nagarjuna Sagar Dam
Nagarjuna Sagar Dam is a major masonry dam in southern India, renowned as one of the world’s largest man-made lakes and a key source of irrigation and hydroelectric power for the region.
-
E.
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.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
barrage
ⓘ
bridge ⓘ dam ⓘ hydraulic structure ⓘ |
| borderBetween |
Delhi
ⓘ
Uttar Pradesh ⓘ |
| category |
Barrages in India
ⓘ
Bridges in Delhi NCR ⓘ Dams on the Yamuna River ⓘ |
| connects |
Delhi
ⓘ
Noida ⓘ |
| constructionMaterial | concrete ⓘ |
| country | India ⓘ |
| crosses |
Yamuna
ⓘ
surface form:
Yamuna River
|
| environmentalImpact |
affects flow regime of Yamuna River
ⓘ
influences wetland habitat near Okhla Bird Sanctuary ⓘ |
| hasFunction |
control downstream discharge
ⓘ
divert water into canals ⓘ maintain upstream water level ⓘ |
| hasNearbyLocality |
Kalindi Kunj
ⓘ
Okhla Industrial Area ⓘ |
| hasPart | road bridge ⓘ |
| isPartOf | Yamuna River water management infrastructure ⓘ |
| locatedIn |
Delhi NCR
ⓘ
Okhla ⓘ |
| locatedInCountry | India ⓘ |
| locatedInDistrict | Gautam Buddha Nagar district ⓘ |
| locatedInState | Uttar Pradesh ⓘ |
| locatedNear | Delhi ⓘ |
| locatedOnRiver |
Yamuna
ⓘ
surface form:
Yamuna River
|
| near |
New Delhi, India
ⓘ
surface form:
New Delhi
Noida ⓘ Okhla Bird Sanctuary ⓘ |
| operatedBy | Irrigation Department of Uttar Pradesh ⓘ |
| ownedBy | Government of Uttar Pradesh ⓘ |
| partOf | Upper Ganga Canal system ⓘ |
| purpose |
flood management
ⓘ
irrigation ⓘ road transport ⓘ water level regulation ⓘ |
| region | National Capital Region of India ⓘ |
| roadCarries |
motor vehicles
ⓘ
pedestrian traffic ⓘ |
| roadType | arterial road link between Delhi and Noida ⓘ |
| usedFor |
diversion of river water
ⓘ
flood control ⓘ irrigation ⓘ regulating water flow ⓘ |
| waterBodyTypeControlled | 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: Okhla Barrage Description of subject: Okhla Barrage is a major dam and bridge structure on the Yamuna River near Delhi, India, used for irrigation, flood control, and regulating water flow.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Yamuna River water supply system of Delhi
this entity surface form:
Okhla Barrage reservoir