Triple

T20176228
Position Surface form Disambiguated ID Type / Status
Subject Upper Derwent Valley E492106 entity
Predicate notableStructure P1544 FINISHED
Object Ladybower Dam NE NERFINISHED

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: Ladybower Dam
Context triple: [Upper Derwent Valley, notableStructure, Ladybower Dam]
  • A. Ladybower Dam chosen
    Ladybower Dam is a large Y-shaped masonry and earth-fill dam in Derbyshire, England, forming Ladybower Reservoir in the Upper Derwent Valley and serving as a major water supply and recreational site.
  • B. Abbeystead Dam
    Abbeystead Dam is a small reservoir dam in Lancashire, England, known for its role in the 1984 Abbeystead disaster explosion.
  • C. Pefferlaw Dam
    Pefferlaw Dam is a small historic dam and local landmark on the Pefferlaw River in Ontario, Canada, known for its scenic views and fishing opportunities.
  • D. 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.
  • E. Thirlmere Dam
    Thirlmere Dam is a Victorian-era reservoir dam in England’s Lake District, built in the late 19th century to supply water to Manchester and now a key feature of the surrounding scenic landscape.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69da6266c6888190bc1a3ecf24814d34 elicitation completed
NER batch_69e668eb50a48190af7de53680ca2f5d ner completed
Created at: April 11, 2026, 11:36 p.m.