Triple

T10441671
Position Surface form Disambiguated ID Type / Status
Subject Ruhr reservoir system E246184 entity
Predicate hasPart P35 FINISHED
Object Möhne Reservoir E44569 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Möhne Reservoir | Statement: [Ruhr reservoir system, hasPart, Möhne Reservoir]

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: Möhne Reservoir
Context triple: [Ruhr reservoir system, hasPart, Möhne Reservoir]
  • A. Möhne Dam chosen
    Möhne Dam is a major German gravity dam in North Rhine-Westphalia, historically known for being breached by the RAF’s “Dambusters” raid during World War II.
  • B. Ruhr reservoir system
    The Ruhr reservoir system is an interconnected network of dams and reservoirs in Germany’s Ruhr region that regulates water supply, flood control, and power generation for one of the country’s most industrialized areas.
  • C. Schwelm Dam
    Schwelm Dam is a German reservoir dam that was one of the targets attacked during the World War II Dambusters Raid.
  • D. Edersee Dam
    The Edersee Dam is a large gravity dam in Germany’s Eder Valley, historically known for being one of the key German dams attacked by the RAF’s “Dambusters” using bouncing bombs during World War II.
  • E. Edersee
    Edersee is a large artificial reservoir in northern Hesse, Germany, created by the Eder Dam and known for recreation, water sports, and its scenic surroundings.
  • 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_69d381c04fe08190957c26c526a3b05a elicitation completed
NER batch_69d4fb9ebf488190ae776bd65e94cb00 ner completed
NED1 batch_69d87ed6edd88190afd5063daba58a46 ned_source_triple completed
Created at: April 6, 2026, 12:15 p.m.