Koka Dam
E837738
Koka Dam is a major hydroelectric and irrigation dam in Ethiopia that creates the Koka Reservoir on the Awash River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Koka Dam canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T10048096 — 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: Koka Dam Context triple: [Koka Reservoir, formedBy, Koka Dam]
-
A.
Ukai Dam
Ukai Dam is a major multi-purpose reservoir and hydroelectric dam in Gujarat, India, built on the Tapi River for irrigation, power generation, and flood control.
-
B.
Shimen Dam
Shimen Dam is a major concrete gravity dam in northern Taiwan that provides water supply, flood control, and hydroelectric power as part of the Shimen Reservoir system.
-
C.
Doma Dam
Doma Dam is a reservoir and recreational site in Nasarawa State, Nigeria, known for its scenic views, fishing opportunities, and role in supporting local agriculture and water supply.
-
D.
Hoheikyo Dam
Hoheikyo Dam is a concrete arch dam in the mountainous outskirts of Sapporo, Japan, known for its scenic reservoir, autumn foliage, and nearby hot spring resorts.
-
E.
Ikeda Dam
Ikeda Dam is a major hydroelectric dam in Japan known for generating power and regulating water flow on the Yoshino 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: Koka Dam Target entity description: Koka Dam is a major hydroelectric and irrigation dam in Ethiopia that creates the Koka Reservoir on the Awash River.
-
A.
Ukai Dam
Ukai Dam is a major multi-purpose reservoir and hydroelectric dam in Gujarat, India, built on the Tapi River for irrigation, power generation, and flood control.
-
B.
Shimen Dam
Shimen Dam is a major concrete gravity dam in northern Taiwan that provides water supply, flood control, and hydroelectric power as part of the Shimen Reservoir system.
-
C.
Doma Dam
Doma Dam is a reservoir and recreational site in Nasarawa State, Nigeria, known for its scenic views, fishing opportunities, and role in supporting local agriculture and water supply.
-
D.
Hoheikyo Dam
Hoheikyo Dam is a concrete arch dam in the mountainous outskirts of Sapporo, Japan, known for its scenic reservoir, autumn foliage, and nearby hot spring resorts.
-
E.
Ikeda Dam
Ikeda Dam is a major hydroelectric dam in Japan known for generating power and regulating water flow on the Yoshino River.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
gravity dam
ⓘ
hydroelectric dam ⓘ irrigation dam ⓘ |
| affects | downstream flow of Awash River ⓘ |
| alsoKnownAs |
Koka Dam on the Awash
NERFINISHED
ⓘ
Koka Hydroelectric Dam NERFINISHED ⓘ |
| basinCountry | Ethiopia NERFINISHED ⓘ |
| category |
Awash River basin infrastructure
NERFINISHED
ⓘ
Dams in Ethiopia ⓘ Hydroelectric power stations in Ethiopia ⓘ |
| constructionBegan | 1950s ⓘ |
| continent | Africa ⓘ |
| country | Ethiopia ⓘ |
| countrySubdivision | Oromia Region NERFINISHED ⓘ |
| createsReservoir | Koka Reservoir NERFINISHED ⓘ |
| hasImpactOn |
local fisheries
ⓘ
sediment transport in Awash River ⓘ |
| hasPart |
Koka Hydropower Plant
NERFINISHED
ⓘ
powerhouse ⓘ spillway ⓘ |
| inception | 1960 ⓘ |
| locatedIn | Oromia Region NERFINISHED ⓘ |
| locatedInProtectedArea | Awash River valley NERFINISHED ⓘ |
| locatedNear |
Adama
NERFINISHED
ⓘ
Koka town NERFINISHED ⓘ |
| locatedOnRiver | Awash River NERFINISHED ⓘ |
| nearCity |
Adama
NERFINISHED
ⓘ
Modjo NERFINISHED ⓘ |
| openingDate | 1960 ⓘ |
| operator | Ethiopian Electric Power NERFINISHED ⓘ |
| ownedBy | Government of Ethiopia NERFINISHED ⓘ |
| partOf | Ethiopian national power grid NERFINISHED ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ irrigation ⓘ |
| regionServed |
Addis Ababa area
ⓘ
central Ethiopia ⓘ |
| reservoirName | Koka Reservoir NERFINISHED ⓘ |
| reservoirUse |
fishing
ⓘ
irrigation water supply ⓘ water storage ⓘ |
| riverBasin | Awash River Basin NERFINISHED ⓘ |
| startOfOperation | 1960 ⓘ |
| usedFor |
electricity supply to Ethiopia
ⓘ
irrigation of agricultural land ⓘ |
| watercourse | Awash River NERFINISHED ⓘ |
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: Koka Dam Description of subject: Koka Dam is a major hydroelectric and irrigation dam in Ethiopia that creates the Koka Reservoir on the Awash River.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.