Triple

T11829217
Position Surface form Disambiguated ID Type / Status
Subject Bütgenbach Dam E281339 entity
Predicate hasNameInLanguage P15 FINISHED
Object Staudamm Bütgenbach E281339 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: Staudamm Bütgenbach | Statement: [Bütgenbach Dam, hasNameInLanguage, Staudamm Bütgenbach]

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: Staudamm Bütgenbach
Context triple: [Bütgenbach Dam, hasNameInLanguage, Staudamm Bütgenbach]
  • A. Bütgenbach Dam chosen
    Bütgenbach Dam is a hydroelectric and flood-control structure in eastern Belgium that creates Lake Bütgenbach, a popular site for recreation and water sports.
  • B. Sorpe Dam
    The Sorpe Dam is a German earth-fill dam in the Ruhr region that was a key target of the RAF’s World War II “Dambusters” raid, Operation Chastise.
  • C. 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.
  • D. Schluchsee Dam
    Schluchsee Dam is a hydroelectric and water regulation dam in Germany’s Black Forest that creates the Schluchsee reservoir, a major regional lake and recreation area.
  • E. Diemel Dam
    Diemel Dam is a German reservoir dam that was one of the targets attacked during the World War II Dambusters Raid.
  • 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_69d6ab276f8c8190b1966a0ef11349ac elicitation completed
NER batch_69d8a62b75dc8190b27d24e46a262a11 ner completed
NED1 batch_69f1672e736481909ba5f867cb840039 ned_source_triple completed
Created at: April 8, 2026, 9:43 p.m.