Bratsk Dam
E1021938
Bratsk Dam is a massive Soviet-era hydroelectric power station in Siberia, Russia, known for once being one of the world’s largest dams and reservoirs.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Bratsk Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13013731 — 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: Bratsk Dam Context triple: [Angara River, hasHydroelectricDam, Bratsk Dam]
-
A.
Krasnoyarsk Dam
The Krasnoyarsk Dam is a massive Soviet-era hydroelectric power station in Siberia, Russia, known for its large reservoir and significant role in regional power generation and river navigation.
-
B.
Irkutsk Dam
Irkutsk Dam is a major Soviet-era hydroelectric dam and power station on the Angara River in Irkutsk, Russia, known for forming the Irkutsk Reservoir and contributing significantly to regional power supply.
-
C.
Tsimlyansk Dam
Tsimlyansk Dam is a major hydroengineering structure on the Don River in Russia, built to provide hydroelectric power, irrigation, and navigation through the creation of the Tsimlyansk Reservoir.
-
D.
Votkinsk Dam
Votkinsk Dam is a major hydroelectric dam on the Kama River in Russia, integral to regional power generation and water management.
-
E.
Mozhaysk Dam
Mozhaysk Dam is a hydraulic structure in Russia that impounds the Mozhaysk Reservoir, serving regional water supply, flood control, and related purposes.
- 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: Bratsk Dam Target entity description: Bratsk Dam is a massive Soviet-era hydroelectric power station in Siberia, Russia, known for once being one of the world’s largest dams and reservoirs.
-
A.
Krasnoyarsk Dam
The Krasnoyarsk Dam is a massive Soviet-era hydroelectric power station in Siberia, Russia, known for its large reservoir and significant role in regional power generation and river navigation.
-
B.
Irkutsk Dam
Irkutsk Dam is a major Soviet-era hydroelectric dam and power station on the Angara River in Irkutsk, Russia, known for forming the Irkutsk Reservoir and contributing significantly to regional power supply.
-
C.
Tsimlyansk Dam
Tsimlyansk Dam is a major hydroengineering structure on the Don River in Russia, built to provide hydroelectric power, irrigation, and navigation through the creation of the Tsimlyansk Reservoir.
-
D.
Votkinsk Dam
Votkinsk Dam is a major hydroelectric dam on the Kama River in Russia, integral to regional power generation and water management.
-
E.
Mozhaysk Dam
Mozhaysk Dam is a hydraulic structure in Russia that impounds the Mozhaysk Reservoir, serving regional water supply, flood control, and related purposes.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
gravity dam
ⓘ
hydroelectric dam ⓘ |
| associatedCity | Bratsk NERFINISHED ⓘ |
| commissioningPeriod | 1961–1967 ⓘ |
| constructedBy | Soviet Union NERFINISHED ⓘ |
| constructionMaterial | concrete ⓘ |
| constructionMethod | concrete gravity dam ⓘ |
| constructionStartDate | 1954 ⓘ |
| continent | Asia ⓘ |
| country | Russia ⓘ |
| designedFor | base-load power generation ⓘ |
| electricityUse |
aluminum industry supply
ⓘ
regional power supply ⓘ |
| era | Soviet era ⓘ |
| gridConnection | Unified Energy System of Russia NERFINISHED ⓘ |
| hasReservoir | Bratsk Reservoir NERFINISHED ⓘ |
| hasSpillway | yes ⓘ |
| height | 125 m ⓘ |
| historicalSignificance |
one of the world’s largest hydroelectric power stations at the time of completion
ⓘ
symbol of Soviet industrialization in Siberia ⓘ |
| installedCapacity | 4,500 MW ⓘ |
| length | 4,417 m ⓘ |
| locatedIn | Siberia ⓘ |
| locatedInCountry | Russia NERFINISHED ⓘ |
| locatedInTimeZone | Irkutsk Time NERFINISHED ⓘ |
| locatedNear | Bratsk NERFINISHED ⓘ |
| locatedOnRiver | Angara River NERFINISHED ⓘ |
| notableFor |
large reservoir volume
ⓘ
major hydroelectric capacity in Russia ⓘ |
| numberOfTurbines | 18 ⓘ |
| openingDate | 1967 ⓘ |
| operator | Irkutskenergo NERFINISHED ⓘ |
| owner | Irkutskenergo NERFINISHED ⓘ |
| partOf | Angara River cascade NERFINISHED ⓘ |
| primaryPurpose | power generation ⓘ |
| region | Irkutsk Oblast NERFINISHED ⓘ |
| reservoirName | Bratsk Reservoir NERFINISHED ⓘ |
| reservoirSurfaceArea | 5,470 km² ⓘ |
| reservoirTotalCapacity | 169.3 km³ ⓘ |
| reservoirType | artificial lake ⓘ |
| riverBasin | Yenisei–Angara basin NERFINISHED ⓘ |
| secondaryPurpose |
navigation
ⓘ
water storage ⓘ |
| spillwayType | gated overflow ⓘ |
| status | operational ⓘ |
| turbineType | Francis turbine ⓘ |
| watercourse | Angara River NERFINISHED ⓘ |
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: Bratsk Dam Description of subject: Bratsk Dam is a massive Soviet-era hydroelectric power station in Siberia, Russia, known for once being one of the world’s largest dams and reservoirs.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.