Lagdo Reservoir
E559571
Lagdo Reservoir is a large artificial lake in northern Cameroon created by the Lagdo Dam on the Benue River, serving as a key source of hydroelectric power, irrigation, and fisheries for the region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lagdo Reservoir canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5948162 — 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: Lagdo Reservoir Context triple: [North Region (Cameroon), hasReservoir, Lagdo Reservoir]
-
A.
Ruza Reservoir
Ruza Reservoir is a large artificial lake in the Moscow region of Russia, created by damming the Ruza River to serve as a key source of water supply and recreation.
-
B.
Benya Lagoon
Benya Lagoon is a coastal lagoon in Elmina, Ghana, known for its fishing activities and proximity to the historic Elmina Castle.
-
C.
Almatti Reservoir
Almatti Reservoir is a major water body in Karnataka, India, formed on the Krishna River and used for irrigation, power generation, and regional water supply.
-
D.
Shaori Reservoir
Shaori Reservoir is a scenic artificial lake in Georgia’s Racha region, known for its mountainous surroundings and popularity as a recreational and tourist destination.
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E.
Koka Reservoir
Koka Reservoir is a major artificial lake in Ethiopia formed by the Koka Dam on the Awash River, serving as an important source of hydroelectric power, irrigation, and fisheries.
- 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: Lagdo Reservoir Target entity description: Lagdo Reservoir is a large artificial lake in northern Cameroon created by the Lagdo Dam on the Benue River, serving as a key source of hydroelectric power, irrigation, and fisheries for the region.
-
A.
Ruza Reservoir
Ruza Reservoir is a large artificial lake in the Moscow region of Russia, created by damming the Ruza River to serve as a key source of water supply and recreation.
-
B.
Benya Lagoon
Benya Lagoon is a coastal lagoon in Elmina, Ghana, known for its fishing activities and proximity to the historic Elmina Castle.
-
C.
Almatti Reservoir
Almatti Reservoir is a major water body in Karnataka, India, formed on the Krishna River and used for irrigation, power generation, and regional water supply.
-
D.
Shaori Reservoir
Shaori Reservoir is a scenic artificial lake in Georgia’s Racha region, known for its mountainous surroundings and popularity as a recreational and tourist destination.
-
E.
Koka Reservoir
Koka Reservoir is a major artificial lake in Ethiopia formed by the Koka Dam on the Awash River, serving as an important source of hydroelectric power, irrigation, and fisheries.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf | reservoir ⓘ |
| affects | downstream flow of Benue River ⓘ |
| basinCountry | Cameroon NERFINISHED ⓘ |
| constructedFor |
hydropower production on Benue River
ⓘ
regional development in northern Cameroon ⓘ |
| continent | Africa ⓘ |
| country | Cameroon NERFINISHED ⓘ |
| createdBy | Lagdo Dam NERFINISHED ⓘ |
| ecosystemType | freshwater lake ⓘ |
| formedByStructureType | embankment dam ⓘ |
| hasEconomicImportanceFor |
fishing communities in North Cameroon
ⓘ
hydropower users in Cameroon ⓘ irrigated farmers in North Cameroon ⓘ |
| hasFunction |
agricultural water supply
ⓘ
electricity supply ⓘ inland fisheries support ⓘ |
| hasRisk | flooding downstream in case of high releases ⓘ |
| influences |
flood regime of Benue River downstream of Lagdo Dam
ⓘ
local microclimate ⓘ |
| isPartOf | Lagdo Dam hydroelectric scheme NERFINISHED ⓘ |
| locatedIn |
Benue River basin
NERFINISHED
ⓘ
North Region, Cameroon NERFINISHED ⓘ Northern Cameroon NERFINISHED ⓘ Sahelian zone of Cameroon ⓘ |
| locatedNear | Lagdo NERFINISHED ⓘ |
| locatedOnRiver | Benue River NERFINISHED ⓘ |
| nearbySettlement |
Garoua (regional center)
NERFINISHED
ⓘ
Lagdo town NERFINISHED ⓘ |
| primaryUse |
fisheries
ⓘ
hydroelectric power generation ⓘ irrigation ⓘ |
| regionServed |
North Region, Cameroon
NERFINISHED
ⓘ
Northern Cameroon NERFINISHED ⓘ |
| subjectTo | seasonal water level fluctuations ⓘ |
| usedFor |
domestic water supply
ⓘ
livestock watering ⓘ local navigation ⓘ |
| waterBodyType | reservoir ⓘ |
| watercourse | Benue 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: Lagdo Reservoir Description of subject: Lagdo Reservoir is a large artificial lake in northern Cameroon created by the Lagdo Dam on the Benue River, serving as a key source of hydroelectric power, irrigation, and fisheries for the region.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
North Region (Cameroon)