Upper Volga Reservoir
E287333
The Upper Volga Reservoir is a large artificial lake on the upper Volga River in central Russia, created by damming to support hydroelectric power generation, water supply, and navigation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Upper Volga Reservoir canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2581696 — 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: Upper Volga Reservoir Context triple: [Tver Oblast, contains, Upper Volga Reservoir]
-
A.
Volgograd Reservoir
Volgograd Reservoir is a large artificial lake in southwestern Russia formed by damming the Volga River, serving as a key source of hydroelectric power, water supply, and navigation.
-
B.
Saratov Reservoir
The Saratov Reservoir is a large artificial lake on the Volga River in Russia, created by the Saratov Hydroelectric Station for power generation, navigation, and water regulation.
-
C.
Tsimlyansk Reservoir
Tsimlyansk Reservoir is a large artificial lake on the Don River in southwestern Russia, created for hydroelectric power, irrigation, and navigation.
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D.
Rybinsk Reservoir
Rybinsk Reservoir is a large artificial lake in Russia, created by damming the Volga and several tributaries, and is one of the country’s largest and historically most significant reservoirs.
-
E.
Votkinsk Reservoir
Votkinsk Reservoir is a large artificial lake in Russia formed by damming the Kama River, primarily used for hydroelectric power generation, navigation, and water regulation.
- 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: Upper Volga Reservoir Target entity description: The Upper Volga Reservoir is a large artificial lake on the upper Volga River in central Russia, created by damming to support hydroelectric power generation, water supply, and navigation.
-
A.
Volgograd Reservoir
Volgograd Reservoir is a large artificial lake in southwestern Russia formed by damming the Volga River, serving as a key source of hydroelectric power, water supply, and navigation.
-
B.
Saratov Reservoir
The Saratov Reservoir is a large artificial lake on the Volga River in Russia, created by the Saratov Hydroelectric Station for power generation, navigation, and water regulation.
-
C.
Tsimlyansk Reservoir
Tsimlyansk Reservoir is a large artificial lake on the Don River in southwestern Russia, created for hydroelectric power, irrigation, and navigation.
-
D.
Rybinsk Reservoir
Rybinsk Reservoir is a large artificial lake in Russia, created by damming the Volga and several tributaries, and is one of the country’s largest and historically most significant reservoirs.
-
E.
Votkinsk Reservoir
Votkinsk Reservoir is a large artificial lake in Russia formed by damming the Kama River, primarily used for hydroelectric power generation, navigation, and water regulation.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
artificial lake
ⓘ
hydroelectric reservoir ⓘ reservoir ⓘ |
| basinCountry | Russia ⓘ |
| continent | Europe ⓘ |
| country | Russia ⓘ |
| formedBy | damming of the Volga River ⓘ |
| hasFunction |
electricity production
ⓘ
regional water storage ⓘ regulation of river flow ⓘ support of inland navigation ⓘ |
| hasType | freshwater reservoir ⓘ |
| isArtificial | true ⓘ |
| isPartOf |
Volga–Kama cascade of reservoirs
ⓘ
surface form:
Volga cascade of reservoirs
|
| locatedIn |
European Russia
ⓘ
Russia ⓘ
surface form:
Russian Federation
central Russia ⓘ |
| locatedOn |
Upper Volga
ⓘ
surface form:
upper Volga River
|
| locatedOnRiver | Volga River ⓘ |
| partOf | Volga River basin ⓘ |
| use |
hydroelectric power generation
ⓘ
navigation ⓘ water supply ⓘ |
| watercourse | Volga River ⓘ |
| waterSystem | Volga waterway system ⓘ |
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: Upper Volga Reservoir Description of subject: The Upper Volga Reservoir is a large artificial lake on the upper Volga River in central Russia, created by damming to support hydroelectric power generation, water supply, and navigation.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.