Irkutsk Reservoir
E1025395
Irkutsk Reservoir is a large artificial lake in Siberia created by the Irkutsk Hydroelectric Power Station on the Angara River, serving as a key source of hydroelectric power and water regulation for the region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Irkutsk Reservoir canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13013734 — 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: Irkutsk Reservoir Context triple: [Angara River, formsReservoir, Irkutsk Reservoir]
-
A.
Novosibirsk Reservoir
Novosibirsk Reservoir is a large artificial lake in southwestern Siberia, Russia, created by damming the Ob River and serving as a major source of hydroelectric power, water supply, and recreation for the Novosibirsk region.
-
B.
Krasnoyarsk Reservoir
The Krasnoyarsk Reservoir is a large artificial lake on the Yenisei River in Siberia, created by the Krasnoyarsk Dam and used for hydroelectric power generation, navigation, and regional water management.
-
C.
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.
-
D.
Istrinskoye Reservoir
Istrinskoye Reservoir is a large artificial lake in Moscow Oblast, Russia, serving as an important source of water supply and a popular recreation area.
-
E.
Klyazminskoye Reservoir
Klyazminskoye Reservoir is a large artificial lake in Moscow Oblast, Russia, used primarily for water supply, recreation, and regulating river flow.
- 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: Irkutsk Reservoir Target entity description: Irkutsk Reservoir is a large artificial lake in Siberia created by the Irkutsk Hydroelectric Power Station on the Angara River, serving as a key source of hydroelectric power and water regulation for the region.
-
A.
Novosibirsk Reservoir
Novosibirsk Reservoir is a large artificial lake in southwestern Siberia, Russia, created by damming the Ob River and serving as a major source of hydroelectric power, water supply, and recreation for the Novosibirsk region.
-
B.
Krasnoyarsk Reservoir
The Krasnoyarsk Reservoir is a large artificial lake on the Yenisei River in Siberia, created by the Krasnoyarsk Dam and used for hydroelectric power generation, navigation, and regional water management.
-
C.
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.
-
D.
Istrinskoye Reservoir
Istrinskoye Reservoir is a large artificial lake in Moscow Oblast, Russia, serving as an important source of water supply and a popular recreation area.
-
E.
Klyazminskoye Reservoir
Klyazminskoye Reservoir is a large artificial lake in Moscow Oblast, Russia, used primarily for water supply, recreation, and regulating river flow.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
artificial lake
ⓘ
hydroelectric reservoir ⓘ reservoir ⓘ |
| associatedPowerStation | Irkutsk Hydroelectric Power Station NERFINISHED ⓘ |
| basinCountry | Russia ⓘ |
| cityOnShore |
Angarsk
NERFINISHED
ⓘ
Irkutsk NERFINISHED ⓘ |
| constructionStartOfDam | 1949 ⓘ |
| continent | Asia ⓘ |
| country | Russia ⓘ |
| createdBy | Irkutsk Hydroelectric Power Station NERFINISHED ⓘ |
| creationPeriod | 1950s ⓘ |
| damCompletionYear | 1956 ⓘ |
| energySourceType | renewable energy ⓘ |
| formedByDam | Irkutsk Dam NERFINISHED ⓘ |
| hasFunction |
regulation of Angara River flow
ⓘ
support of regional power grid ⓘ |
| hasImpact |
change of Angara River hydrology
ⓘ
local climate moderation near Irkutsk ⓘ |
| hasUse |
fisheries
ⓘ
recreation ⓘ transportation ⓘ |
| inflow | Angara River NERFINISHED ⓘ |
| isImpoundedBy | concrete gravity dam ⓘ |
| locatedIn |
Eastern Siberia
NERFINISHED
ⓘ
Siberia ⓘ |
| locatedInRegion | Irkutsk Oblast NERFINISHED ⓘ |
| locatedNear | Irkutsk NERFINISHED ⓘ |
| locatedOnRiver | Angara River NERFINISHED ⓘ |
| nearbyWaterbody | Lake Baikal NERFINISHED ⓘ |
| operator | Irkutsk Hydroelectric Power Station NERFINISHED ⓘ |
| outflow | Angara River NERFINISHED ⓘ |
| partOf |
Angara River cascade
NERFINISHED
ⓘ
hydropower system of Angara and Yenisei basin ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ navigation improvement ⓘ water regulation ⓘ water supply ⓘ |
| region | Siberian Federal District NERFINISHED ⓘ |
| upstreamFrom | Bratsk Reservoir NERFINISHED ⓘ |
| waterbodyType | reservoir on river ⓘ |
| watercourse | Angara River NERFINISHED ⓘ |
| waterLevelRegulationFor |
Angara River
NERFINISHED
ⓘ
Irkutsk NERFINISHED ⓘ |
| waterManagementRole |
ice regime regulation on Angara River
ⓘ
seasonal flow regulation ⓘ |
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: Irkutsk Reservoir Description of subject: Irkutsk Reservoir is a large artificial lake in Siberia created by the Irkutsk Hydroelectric Power Station on the Angara River, serving as a key source of hydroelectric power and water regulation for the region.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.