Triple

T10160271
Position Surface form Disambiguated ID Type / Status
Subject Elan Valley reservoirs E233870 entity
Predicate hasPart P35 FINISHED
Object Pen-y-garreg Reservoir E239821 NE FINISHED

How this triple was built (2 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: Pen-y-garreg Reservoir | Statement: [Elan Valley reservoirs, hasPart, Pen-y-garreg Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Pen-y-garreg Reservoir
Context triple: [Elan Valley reservoirs, hasPart, 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. 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. 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. Nant-y-moch Reservoir
    Nant-y-moch Reservoir is a large upland man-made lake in the Cambrian Mountains of mid Wales, known for hydroelectric power generation and its remote, scenic landscape.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69ca848e80748190b91d1e04d35512c7 completed March 30, 2026, 2:11 p.m.
NER Named-entity recognition batch_69cdec5831e481909b48fdfa8f1c670b completed April 2, 2026, 4:11 a.m.
NED1 Entity disambiguation (via context triple) batch_69d7fb26d17c8190848b6b0d4df06fa2 completed April 9, 2026, 7:16 p.m.
Created at: March 30, 2026, 9:09 p.m.