Karaj Dam
E189004
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.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Amir Kabir Dam | 2 |
| Karaj Dam canonical | 2 |
| Karaj Dam Hydroelectric Power Plant | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1658243 — 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: Karaj Dam Context triple: [Karaj River, hasInfrastructure, Karaj Dam]
-
A.
Almatti Dam
Almatti Dam is a major hydroelectric and irrigation dam in Karnataka, India, built across the Krishna River as part of the Upper Krishna Project.
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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.
Bargi Dam
Bargi Dam is a major multipurpose dam built on the Narmada River in Madhya Pradesh, India, primarily used for irrigation, hydropower generation, and flood control.
-
D.
Itezhi-Tezhi Dam
Itezhi-Tezhi Dam is a major hydroelectric and water-regulation dam in Zambia that helps control flows and generate power along the Kafue River system, a key tributary of the Zambezi.
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E.
Atatürk Dam
Atatürk Dam is one of Turkey’s largest and most significant hydroelectric and irrigation dams, forming a key part of the Southeastern Anatolia Project on the Euphrates River.
- 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: Karaj Dam Target entity description: 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.
-
A.
Almatti Dam
Almatti Dam is a major hydroelectric and irrigation dam in Karnataka, India, built across the Krishna River as part of the Upper Krishna Project.
-
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.
Bargi Dam
Bargi Dam is a major multipurpose dam built on the Narmada River in Madhya Pradesh, India, primarily used for irrigation, hydropower generation, and flood control.
-
D.
Itezhi-Tezhi Dam
Itezhi-Tezhi Dam is a major hydroelectric and water-regulation dam in Zambia that helps control flows and generate power along the Kafue River system, a key tributary of the Zambezi.
-
E.
Atatürk Dam
Atatürk Dam is one of Turkey’s largest and most significant hydroelectric and irrigation dams, forming a key part of the Southeastern Anatolia Project on the Euphrates River.
- F. None of above. chosen
Statements (48)
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: Karaj Dam Description of subject: 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.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Karaj River
subject surface form:
Karaj River
this entity surface form:
Amir Kabir Dam
this entity surface form:
Amir Kabir Dam
this entity surface form:
Karaj Dam Hydroelectric Power Plant