Triple
T9769120
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Garreg Ddu Reservoir |
E237073
|
entity |
| Predicate | near |
P350
|
FINISHED |
| Object | Pen-y-Garreg Reservoir |
E239821
|
NE FINISHED |
Disambiguation candidates (1 decision)
The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pen-y-Garreg Reservoir Context triple: [Garreg Ddu Reservoir, near, Pen-y-Garreg Reservoir]
-
A.
Pen-y-garreg Reservoir
chosen
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.
-
B.
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.
-
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.
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.
-
E.
Cantref Reservoir
Cantref Reservoir is a man-made lake in the Brecon Beacons of South Wales that forms part of the water supply system for the city of Cardiff.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 batches)
| Stage | Batch ID | Job type | Status |
|---|---|---|---|
| creating | batch_69ca84d831b8819090322686b47887ce |
elicitation | completed |
| NER | batch_69cda0f0c64c81908f3435dd49c0218b |
ner | completed |
| NED1 | batch_69d1cc46f170819081ecc5e85a0514c3 |
ned_source_triple | completed |
Created at: March 30, 2026, 8:26 p.m.