Llyn Brianne Reservoir
E1152812
UNEXPLORED
Llyn Brianne Reservoir is a large man-made lake in mid Wales, created by a dam in the upper Tywi valley and known for its scenic surroundings and role in water supply and flood control.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Llyn Brianne reservoir | 3 |
| Llyn Brianne Reservoir canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T15379138 — 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: Llyn Brianne Reservoir Context triple: [River Towy, hasStructure, Llyn Brianne Reservoir]
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A.
Garreg Ddu Reservoir
Garreg Ddu Reservoir is a scenic man-made lake in the Elan Valley of mid-Wales, known for its distinctive submerged dam and role in supplying water to the city of Birmingham.
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B.
Claerwen Reservoir
Claerwen Reservoir is a large upland water reservoir in mid Wales, known for its impressive dam and scenic surroundings within the Elan Valley.
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C.
Clywedog Reservoir
Clywedog Reservoir is a large man-made lake in mid-Wales, created for water regulation and recreation amid scenic upland surroundings.
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D.
Pen-y-garreg Reservoir
Pen-y-garreg Reservoir is a scenic man-made lake in the Elan Valley of mid Wales, known for its historic stone dam and role in the region’s water supply system.
-
E.
Tryweryn Reservoir
Tryweryn Reservoir is an artificial lake in North Wales created in the 1960s to supply water to Liverpool, whose flooding of the village of Capel Celyn made it a lasting symbol of Welsh nationalist protest.
- 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: Llyn Brianne Reservoir Target entity description: Llyn Brianne Reservoir is a large man-made lake in mid Wales, created by a dam in the upper Tywi valley and known for its scenic surroundings and role in water supply and flood control.
-
A.
Garreg Ddu Reservoir
Garreg Ddu Reservoir is a scenic man-made lake in the Elan Valley of mid-Wales, known for its distinctive submerged dam and role in supplying water to the city of Birmingham.
-
B.
Claerwen Reservoir
Claerwen Reservoir is a large upland water reservoir in mid Wales, known for its impressive dam and scenic surroundings within the Elan Valley.
-
C.
Clywedog Reservoir
Clywedog Reservoir is a large man-made lake in mid-Wales, created for water regulation and recreation amid scenic upland surroundings.
-
D.
Pen-y-garreg Reservoir
Pen-y-garreg Reservoir is a scenic man-made lake in the Elan Valley of mid Wales, known for its historic stone dam and role in the region’s water supply system.
-
E.
Tryweryn Reservoir
Tryweryn Reservoir is an artificial lake in North Wales created in the 1960s to supply water to Liverpool, whose flooding of the village of Capel Celyn made it a lasting symbol of Welsh nationalist protest.
- F. None of above. chosen
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Llyn Brianne Reservoir
linked to: Llyn Brianne Reservoir
linked to: Llyn Brianne Reservoir