Triple

T9865487
Position Surface form Disambiguated ID Type / Status
Subject Pen-y-garreg Reservoir E239821 entity
Predicate hasPart P35 FINISHED
Object Pen-y-garreg Dam 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 Dam
Context triple: [Pen-y-garreg Reservoir, hasPart, Pen-y-garreg Dam]
  • A. Abbeystead Dam
    Abbeystead Dam is a small reservoir dam in Lancashire, England, known for its role in the 1984 Abbeystead disaster explosion.
  • B. 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.
  • C. 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.
  • D. Bleiloch Dam
    Bleiloch Dam is a large hydroelectric and flood-control dam in Thuringia, Germany, forming the country’s biggest reservoir on the upper Saale River.
  • E. Derwent Dam
    Derwent Dam is a large historic masonry dam in Derbyshire, England, best known for its role in World War II RAF "Dambusters" training and as a prominent feature of the Upper Derwent Valley.
  • 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_69ca84e7506c819095cbde4ff16512bb elicitation completed
NER batch_69cdb3ba7f288190a15ebec2cc3112c4 ner completed
NED1 batch_69d20d511e348190aab23a45048ea7b3 ned_source_triple completed
Created at: March 30, 2026, 8:36 p.m.