Triple

T21142227
Position Surface form Disambiguated ID Type / Status
Subject Urft Reservoir E520960 entity
Predicate hasDam P8736 FINISHED
Object Urft Dam — 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: Urft Dam | Statement: [Urft Reservoir, hasDam, Urft Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Urft Dam
Context triple: [Urft Reservoir, hasDam, Urft Dam]
  • A. 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.
  • B. Claerwen Dam
    Claerwen Dam is a large concrete gravity dam in mid-Wales, forming part of the Elan Valley reservoir system that supplies water to Birmingham.
  • C. Rhodhiss Dam
    Rhodhiss Dam is a hydroelectric dam on the Catawba River in North Carolina that forms Lake Rhodhiss and helps provide power and water supply to the surrounding region.
  • D. Hengstey dam
    Hengstey dam is a hydroelectric and flood-control dam on the Ruhr River in North Rhine-Westphalia, Germany, forming the Hengsteysee reservoir near the cities of Hagen and Dortmund.
  • E. Eildon Dam
    Eildon Dam is a major Australian reservoir and hydroelectric structure in Victoria that forms Lake Eildon and supports irrigation, water supply, and power generation.
  • 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: Urft Dam
Target entity description: Urft Dam is a historic masonry gravity dam in North Rhine-Westphalia, Germany, built in the early 20th century to create the Urft Reservoir for water supply, flood control, and hydroelectric power generation.
  • A. 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.
  • B. Claerwen Dam
    Claerwen Dam is a large concrete gravity dam in mid-Wales, forming part of the Elan Valley reservoir system that supplies water to Birmingham.
  • C. Rhodhiss Dam
    Rhodhiss Dam is a hydroelectric dam on the Catawba River in North Carolina that forms Lake Rhodhiss and helps provide power and water supply to the surrounding region.
  • D. Hengstey dam
    Hengstey dam is a hydroelectric and flood-control dam on the Ruhr River in North Rhine-Westphalia, Germany, forming the Hengsteysee reservoir near the cities of Hagen and Dortmund.
  • E. Eildon Dam
    Eildon Dam is a major Australian reservoir and hydroelectric structure in Victoria that forms Lake Eildon and supports irrigation, water supply, and power generation.
  • F. None of above. chosen

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_69e0b50c6a848190a4e525a77a319b8a completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e723f96cf081909d10309e08aeca93 completed April 21, 2026, 7:15 a.m.
Created at: April 16, 2026, 2:57 p.m.