Triple

T21975590
Position Surface form Disambiguated ID Type / Status
Subject Neuadd Valley E542696 entity
Predicate hasReservoir P1025 FINISHED
Object Upper Neuadd Reservoir — NE NERFINISHED

How this triple was built (3 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Upper Neuadd Reservoir | Statement: [Neuadd Valley, hasReservoir, Upper Neuadd Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Upper Neuadd Reservoir
Context triple: [Neuadd Valley, hasReservoir, Upper Neuadd Reservoir]
  • A. 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.
  • 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. 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.
  • D. 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.
  • E. Clywedog Reservoir
    Clywedog Reservoir is a large man-made lake in mid-Wales, created for water regulation and recreation amid scenic upland surroundings.
  • 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: Upper Neuadd Reservoir
Target entity description: Upper Neuadd Reservoir is a scenic upland water reservoir in the Brecon Beacons of South Wales, popular for hiking views and outdoor recreation.
  • A. 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.
  • 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. 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.
  • D. Cantref Reservoir chosen
    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.
  • E. Clywedog Reservoir
    Clywedog Reservoir is a large man-made lake in mid-Wales, created for water regulation and recreation amid scenic upland surroundings.
  • F. None of above.

Provenance (2 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69e0c48070988190909db97667b9a0ac completed April 16, 2026, 11:14 a.m.
NER Named-entity recognition batch_69f124886418819091daed0988432350 completed April 28, 2026, 9:20 p.m.
Created at: April 16, 2026, 8:03 p.m.