Lake Volta
E132468
Lake Volta is one of the world’s largest artificial reservoirs by surface area, created by the Akosombo Dam on the Volta River in Ghana.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lake Volta canonical | 24 |
How this entity was disambiguated
This entity first appeared as the object of triple T1154943 — 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: Lake Volta Context triple: [Ghana, notableLake, Lake Volta]
-
A.
Lake Victoria
Lake Victoria is a vast freshwater lake in East Africa, bordered by Tanzania, Uganda, and Kenya, and is renowned as the world’s largest tropical lake and a vital regional resource.
-
B.
Lake Turkana
Lake Turkana is a large, saline lake in Kenya’s arid north, renowned for its striking turquoise waters, rich biodiversity, and significant archaeological sites along its shores.
-
C.
Lake Tana
Lake Tana is Ethiopia’s largest lake and the primary source of the Blue Nile, renowned for its island monasteries and ecological importance in the Ethiopian Highlands.
-
D.
Lake Albert
Lake Albert is one of Africa’s Great Lakes, lying on the border between Uganda and the Democratic Republic of the Congo within the western branch of the East African Rift.
-
E.
Lake Tanganyika
Lake Tanganyika is one of the African Great Lakes, renowned as one of the world’s deepest and oldest freshwater lakes, spanning several countries in East and Central Africa.
- 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: Lake Volta Target entity description: Lake Volta is one of the world’s largest artificial reservoirs by surface area, created by the Akosombo Dam on the Volta River in Ghana.
-
A.
Lake Victoria
Lake Victoria is a vast freshwater lake in East Africa, bordered by Tanzania, Uganda, and Kenya, and is renowned as the world’s largest tropical lake and a vital regional resource.
-
B.
Lake Turkana
Lake Turkana is a large, saline lake in Kenya’s arid north, renowned for its striking turquoise waters, rich biodiversity, and significant archaeological sites along its shores.
-
C.
Lake Tana
Lake Tana is Ethiopia’s largest lake and the primary source of the Blue Nile, renowned for its island monasteries and ecological importance in the Ethiopian Highlands.
-
D.
Lake Albert
Lake Albert is one of Africa’s Great Lakes, lying on the border between Uganda and the Democratic Republic of the Congo within the western branch of the East African Rift.
-
E.
Lake Tanganyika
Lake Tanganyika is one of the African Great Lakes, renowned as one of the world’s deepest and oldest freshwater lakes, spanning several countries in East and Central Africa.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
artificial lake
ⓘ
body of water ⓘ reservoir ⓘ |
| basinCountry | Ghana ⓘ |
| continent | Africa ⓘ |
| country | Ghana ⓘ |
| createdBy | construction of Akosombo Dam ⓘ |
| createdFor |
fisheries
ⓘ
flood control ⓘ hydroelectric power generation ⓘ irrigation ⓘ transportation ⓘ |
| creationPeriod | 1960s ⓘ |
| formedBy | Akosombo Dam ⓘ |
| formedOn | Volta River ⓘ |
| hasCityOnShore |
Ada Foah
ⓘ
Akosombo ⓘ Kete Krachi ⓘ Yeji ⓘ |
| hasDam |
Akosombo Dam
ⓘ
Kpong Dam ⓘ |
| inflow |
Black Volta
ⓘ
Oti River ⓘ
linked to:
Oti River basin
Volta River ⓘ White Volta ⓘ |
| length |
about 250 miles
ⓘ
about 400 kilometres ⓘ |
| locatedIn |
Volta River basin
ⓘ
West Africa ⓘ |
| locatedInAdministrativeRegion |
Eastern Region of Ghana
ⓘ
Northern Region of Ghana ⓘ Oti Region ⓘ Savannah Region ⓘ Volta Region ⓘ |
| maximumDepth |
about 246 feet
ⓘ
about 75 metres ⓘ |
| outflow | Volta River ⓘ |
| partOf |
Volta River system
ⓘ
linked to:
Volta River basin
|
| rankedAmong | world’s largest artificial reservoirs by surface area ⓘ |
| surfaceArea |
about 3278 square miles
ⓘ
about 8500 square kilometres ⓘ |
| usedFor |
aquaculture
ⓘ
commercial fishing ⓘ inland water transport ⓘ tourism ⓘ |
| volume |
about 148 cubic kilometres
ⓘ
about 35.5 cubic miles ⓘ |
| yearOfCompletion | 1965 ⓘ |
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: Lake Volta Description of subject: Lake Volta is one of the world’s largest artificial reservoirs by surface area, created by the Akosombo Dam on the Volta River in Ghana.
Referenced by (24)
Full triples — surface form annotated when it differs from this entity's canonical label.