Saratov Reservoir
E55085
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Saratov Reservoir canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T407091 — 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: Saratov Reservoir Context triple: [Volga River, majorReservoir, Saratov Reservoir]
-
A.
Gorky Reservoir
Gorky Reservoir is a large artificial lake on the Volga River in central Russia, created by the Gorky Hydroelectric Station and used for hydroelectric power, navigation, and water supply.
-
B.
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.
-
C.
Ivankovo Reservoir
Ivankovo Reservoir is a large artificial lake in Russia that serves as the uppermost reservoir on the Volga River, playing a key role in water supply, navigation, and hydroelectric power generation for the Moscow region.
-
D.
Ligeia Mare
Ligeia Mare is one of the largest known hydrocarbon seas on Saturn’s moon Titan, composed primarily of liquid methane and ethane.
-
E.
Lake Velence
Lake Velence is one of Hungary’s largest natural lakes, known as a popular resort and recreation area in the Transdanubian region.
- 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: Saratov Reservoir Target entity description: 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.
-
A.
Gorky Reservoir
Gorky Reservoir is a large artificial lake on the Volga River in central Russia, created by the Gorky Hydroelectric Station and used for hydroelectric power, navigation, and water supply.
-
B.
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.
-
C.
Ivankovo Reservoir
Ivankovo Reservoir is a large artificial lake in Russia that serves as the uppermost reservoir on the Volga River, playing a key role in water supply, navigation, and hydroelectric power generation for the Moscow region.
-
D.
Ligeia Mare
Ligeia Mare is one of the largest known hydrocarbon seas on Saturn’s moon Titan, composed primarily of liquid methane and ethane.
-
E.
Lake Velence
Lake Velence is one of Hungary’s largest natural lakes, known as a popular resort and recreation area in the Transdanubian region.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
artificial lake
ⓘ
hydroelectric reservoir ⓘ reservoir ⓘ |
| basinCountry | Russia ⓘ |
| constructionBegan | 1950s ⓘ |
| continent |
Asia
ⓘ
Europe ⓘ |
| country | Russia ⓘ |
| createdBy | Saratov Hydroelectric Station ⓘ |
| hasDam |
Saratov Hydroelectric Station
ⓘ
surface form:
Saratov Hydroelectric Dam
|
| inflow | Volga River ⓘ |
| locatedDownstreamOf |
Gorky Reservoir
ⓘ
surface form:
Kuybyshev Reservoir
|
| locatedIn |
Balakovo
ⓘ
Saratov Oblast ⓘ |
| locatedNear |
Engels
ⓘ
Saratov ⓘ |
| locatedOnRiver | Volga River ⓘ |
| locatedUpstreamOf | Volgograd Reservoir ⓘ |
| opened | 1960s ⓘ |
| operator | Saratov Hydroelectric Station ⓘ |
| outflow | Volga River ⓘ |
| partOf | Volga–Kama cascade of reservoirs ⓘ |
| purpose |
hydroelectric power generation
ⓘ
navigation ⓘ water regulation ⓘ |
| riverSystem |
Volga River
ⓘ
surface form:
Volga River basin
|
| usedFor |
fisheries
ⓘ
irrigation ⓘ recreation ⓘ |
| watercourse | Volga River ⓘ |
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: Saratov Reservoir Description of subject: 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.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.