Lake Nasser
E47614
Lake Nasser is a vast artificial reservoir in southern Egypt and northern Sudan, created by the construction of the Aswan High Dam and known for its role in water storage, hydroelectric power, and flood control along the Nile.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Lake Nasser canonical | 36 |
| Lake Nubia | 2 |
| Lake Nubia in Sudan | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T373906 — 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 Nasser Context triple: [Nile, hasMajorReservoir, Lake Nasser]
-
A.
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.
-
B.
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.
-
C.
Sea of Galilee
The Sea of Galilee is a large freshwater lake in northeastern Israel, historically and religiously significant in Judaism and Christianity and a key site in the New Testament.
-
D.
Lake Assal
Lake Assal is a hypersaline crater lake in Djibouti renowned as the lowest point on the African continent and one of the saltiest bodies of water in the world.
-
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 Nasser Target entity description: Lake Nasser is a vast artificial reservoir in southern Egypt and northern Sudan, created by the construction of the Aswan High Dam and known for its role in water storage, hydroelectric power, and flood control along the Nile.
-
A.
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.
-
B.
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.
-
C.
Sea of Galilee
The Sea of Galilee is a large freshwater lake in northeastern Israel, historically and religiously significant in Judaism and Christianity and a key site in the New Testament.
-
D.
Lake Assal
Lake Assal is a hypersaline crater lake in Djibouti renowned as the lowest point on the African continent and one of the saltiest bodies of water in the world.
-
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 ⓘ |
| area | approximately 5,250 square kilometers ⓘ |
| averageDepth | approximately 25 meters ⓘ |
| basinCountry |
Egypt
ⓘ
Sudan ⓘ |
| borderCrosses | Egypt–Sudan border ⓘ |
| completionDate | 1970 ⓘ |
| country |
Egypt
ⓘ
Sudan ⓘ |
| createdBy | flooding of Nile Valley ⓘ |
| fishSpecies |
Nile perch
ⓘ
catfish ⓘ tilapia ⓘ |
| formedBy | Aswan High Dam ⓘ |
| hasDam | Aswan High Dam ⓘ |
| hasShorelineCountry |
Egypt
ⓘ
Sudan ⓘ |
| inception | 1960s ⓘ |
| knownAs |
Lake Nasser
ⓘ
surface form:
Lake Nubia in Sudan
|
| length | approximately 500 kilometers ⓘ |
| locatedIn |
northern Sudan
ⓘ
Upper Egypt ⓘ
surface form:
southern Egypt
|
| locatedInContinent | Africa ⓘ |
| locatedInDesert | Sahara Desert ⓘ |
| locatedInGovernorate | Aswan Governorate ⓘ |
| locatedOnRiver | Nile ⓘ |
| manages | seasonal Nile floods ⓘ |
| maximumDepth | approximately 180 meters ⓘ |
| namedAfter | Gamal Abdel Nasser ⓘ |
| near |
Abu Simbel temples
ⓘ
Aswan ⓘ |
| partlyLocatedIn | Nubia ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ irrigation support ⓘ water storage ⓘ |
| regulatesFlowOf |
Nile
ⓘ
surface form:
Nile River
|
| sectionNameInSudan |
Lake Nasser
self-linksurface differs
ⓘ
surface form:
Lake Nubia
|
| startOfConstruction | 1960 ⓘ |
| submerged |
Nubian villages
ⓘ
archaeological sites ⓘ |
| supportsActivity |
fishing
ⓘ
tourism ⓘ |
| typeOfDamReservoir | impoundment reservoir ⓘ |
| waterSource |
Nile
ⓘ
surface form:
Nile River
|
| waterVolume | approximately 132 cubic kilometers ⓘ |
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 Nasser Description of subject: Lake Nasser is a vast artificial reservoir in southern Egypt and northern Sudan, created by the construction of the Aswan High Dam and known for its role in water storage, hydroelectric power, and flood control along the Nile.
Referenced by (39)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Lake Nubia
this entity surface form:
Lake Nubia in Sudan
this entity surface form:
Lake Nubia