Keban Lake
E398991
Keban Lake is a large artificial reservoir in eastern Turkey formed by the Keban Dam on the Euphrates River, serving hydroelectric, irrigation, and flood-control purposes.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Keban Dam Lake | 1 |
| Keban Lake canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3909061 — 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: Keban Lake Context triple: [Keban Dam, reservoirName, Keban Lake]
-
A.
Ebinur Lake
Ebinur Lake is a saline endorheic lake in northwest China known for its fluctuating water levels, high salinity, and importance as a habitat for migratory birds.
-
B.
Lake Çıldır
Lake Çıldır is a large high-altitude freshwater lake in northeastern Turkey, known for its scenic beauty, fishing, and winter ice activities.
-
C.
Lake Tuz
Lake Tuz is a large, shallow hypersaline lake in central Turkey known for its extensive salt flats and ecological importance as a habitat for migratory birds.
-
D.
Lake Orta
Lake Orta is a picturesque glacial lake in northern Italy, renowned for its tranquil atmosphere, historic lakeside villages, and the island of San Giulio.
-
E.
Kalamalka Lake
Kalamalka Lake is a strikingly clear, turquoise-colored glacial lake in British Columbia, Canada, renowned for its unique color changes and recreational opportunities.
- 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: Keban Lake Target entity description: Keban Lake is a large artificial reservoir in eastern Turkey formed by the Keban Dam on the Euphrates River, serving hydroelectric, irrigation, and flood-control purposes.
-
A.
Ebinur Lake
Ebinur Lake is a saline endorheic lake in northwest China known for its fluctuating water levels, high salinity, and importance as a habitat for migratory birds.
-
B.
Lake Çıldır
Lake Çıldır is a large high-altitude freshwater lake in northeastern Turkey, known for its scenic beauty, fishing, and winter ice activities.
-
C.
Lake Tuz
Lake Tuz is a large, shallow hypersaline lake in central Turkey known for its extensive salt flats and ecological importance as a habitat for migratory birds.
-
D.
Lake Orta
Lake Orta is a picturesque glacial lake in northern Italy, renowned for its tranquil atmosphere, historic lakeside villages, and the island of San Giulio.
-
E.
Kalamalka Lake
Kalamalka Lake is a strikingly clear, turquoise-colored glacial lake in British Columbia, Canada, renowned for its unique color changes and recreational opportunities.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
artificial lake
ⓘ
hydroelectric reservoir ⓘ reservoir ⓘ |
| basinCountry | Turkey ⓘ |
| constructionBeganWithDam | 1960s ⓘ |
| country | Turkey ⓘ |
| createdByProject |
Keban Dam project
ⓘ
linked to:
Keban Dam
|
| formedAfterDamCompletion | 1970s ⓘ |
| formedBy | Keban Dam ⓘ |
| hasEconomicImportance | regional development in eastern Turkey ⓘ |
| hasEnvironmentalImpact |
altered Euphrates flow regime
ⓘ
created new aquatic habitats ⓘ |
| hasFunction |
peak-load power support
ⓘ
water storage ⓘ |
| hasIsland | various small islands ⓘ |
| hasShorelineUse | settlements relocation area ⓘ |
| hasTourismActivity |
angling
ⓘ
boat tours ⓘ waterside recreation ⓘ |
| hasUse |
fisheries
ⓘ
navigation (local) ⓘ recreation ⓘ |
| isReservoirOf | Keban Dam ⓘ |
| isUpstreamOf |
Atatürk Dam reservoir
ⓘ
linked to:
Atatürk Dam
Karakaya Dam reservoir ⓘ |
| locatedIn |
Eastern Anatolia Region
ⓘ
linked to:
Eastern Anatolia
eastern Turkey ⓘ |
| locatedInProvince |
Bingöl Province
NERFINISHED
ⓘ
Elazığ Province NERFINISHED ⓘ Erzincan Province NERFINISHED ⓘ Tunceli Province NERFINISHED ⓘ |
| locatedNear |
Elazığ city
ⓘ
linked to:
Elazığ
Keban town ⓘ
linked to:
Keban
|
| locatedOnRiver |
Euphrates River
ⓘ
linked to:
Euphrates
|
| operator | State Hydraulic Works of Turkey ⓘ |
| outflow |
Euphrates River
ⓘ
linked to:
Euphrates
|
| partOf |
Euphrates basin
ⓘ
linked to:
Euphrates
Turkey’s national hydropower system ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ irrigation ⓘ |
| region |
Upper Euphrates
ⓘ
linked to:
Euphrates
|
| watercourse |
Euphrates River
ⓘ
linked to:
Euphrates
|
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: Keban Lake Description of subject: Keban Lake is a large artificial reservoir in eastern Turkey formed by the Keban Dam on the Euphrates River, serving hydroelectric, irrigation, and flood-control purposes.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Keban Lake