Sefid-Rud Dam
E448092
Sefid-Rud Dam is a major hydroelectric and irrigation dam in northern Iran that regulates the flow of the Sefid-Rud River and supports agriculture in the surrounding region.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Sefid-Rud Dam canonical | 2 |
| Shahid Rajaee Dam | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4499333 — 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: Sefid-Rud Dam Context triple: [Sefid-Rud, hasDam, Sefid-Rud Dam]
-
A.
Karaj Dam
Karaj Dam is a major Iranian concrete arch dam near the city of Karaj that provides water supply, irrigation, and hydroelectric power to the Tehran region.
-
B.
Keban Dam
Keban Dam is a major hydroelectric and flood-control dam in eastern Turkey that forms one of the largest reservoirs on the Euphrates River.
-
C.
Osman Sagar Dam
Osman Sagar Dam is a reservoir dam near Hyderabad, India, built across the Musi River to provide drinking water and flood protection for the city.
-
D.
Kok-Aral Dam
The Kok-Aral Dam is a hydraulic structure in Kazakhstan built to separate and raise water levels in the North Aral Sea, aiding in the partial ecological and economic recovery of the region.
-
E.
Darra-e-Nur Dam
Darra-e-Nur Dam is a hydroelectric and irrigation dam located on the Kabul River in eastern Afghanistan.
- 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: Sefid-Rud Dam Target entity description: Sefid-Rud Dam is a major hydroelectric and irrigation dam in northern Iran that regulates the flow of the Sefid-Rud River and supports agriculture in the surrounding region.
-
A.
Karaj Dam
Karaj Dam is a major Iranian concrete arch dam near the city of Karaj that provides water supply, irrigation, and hydroelectric power to the Tehran region.
-
B.
Keban Dam
Keban Dam is a major hydroelectric and flood-control dam in eastern Turkey that forms one of the largest reservoirs on the Euphrates River.
-
C.
Osman Sagar Dam
Osman Sagar Dam is a reservoir dam near Hyderabad, India, built across the Musi River to provide drinking water and flood protection for the city.
-
D.
Kok-Aral Dam
The Kok-Aral Dam is a hydraulic structure in Kazakhstan built to separate and raise water levels in the North Aral Sea, aiding in the partial ecological and economic recovery of the region.
-
E.
Darra-e-Nur Dam
Darra-e-Nur Dam is a hydroelectric and irrigation dam located on the Kabul River in eastern Afghanistan.
- F. None of above. chosen
Statements (33)
| Predicate | Object |
|---|---|
| instanceOf |
dam
ⓘ
hydroelectric dam ⓘ irrigation dam ⓘ |
| affects | downstream flow of Sefid-Rud River ⓘ |
| basinCountry | Iran ⓘ |
| benefitsSector |
agriculture
ⓘ
energy ⓘ |
| country | Iran ⓘ |
| hasFunction |
electricity generation
ⓘ
flood mitigation ⓘ irrigation water supply ⓘ |
| hasHydroelectricPlant | yes ⓘ |
| isMajorInfrastructure | true ⓘ |
| isOnWaterBody |
Sefid-Rud River
ⓘ
linked to:
Sefid-Rud
|
| locatedIn | Gilan Province ⓘ |
| locatedInContinent | Asia ⓘ |
| locatedInCountrySubdivision |
Gilan Province, Iran
ⓘ
linked to:
Gilan Province
|
| locatedInRegion | northern Iran ⓘ |
| locatedOnRiver | Sefid-Rud ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ irrigation ⓘ river flow regulation ⓘ |
| regionServed |
Gilan agricultural areas
ⓘ
northern Iran ⓘ |
| riverBasin |
Sefid-Rud basin
ⓘ
linked to:
Sefid-Rud
|
| supports |
agriculture in Gilan Province
ⓘ
agriculture in the Sefid-Rud basin ⓘ |
| typeOfStructure | hydraulic structure ⓘ |
| usedFor |
flow regulation of Sefid-Rud River
ⓘ
irrigation of surrounding farmlands ⓘ water storage ⓘ |
| watercourse | Sefid-Rud ⓘ |
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: Sefid-Rud Dam Description of subject: Sefid-Rud Dam is a major hydroelectric and irrigation dam in northern Iran that regulates the flow of the Sefid-Rud River and supports agriculture in the surrounding region.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.