Triple

T5049257
Position Surface form Disambiguated ID Type / Status
Subject Mstislav Rostropovich E113743 entity
Predicate memberOf P10 FINISHED
Object National Symphony Orchestra (as music director) E1366 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: National Symphony Orchestra (as music director) | Statement: [Mstislav Rostropovich, memberOf, National Symphony Orchestra (as music director)]

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: National Symphony Orchestra (as music director)
Context triple: [Mstislav Rostropovich, memberOf, National Symphony Orchestra (as music director)]
  • A. National Symphony Orchestra chosen
    The National Symphony Orchestra is a major American symphony orchestra based in Washington, D.C., known for its performances of classical and contemporary repertoire and its role as a leading cultural institution in the nation’s capital.
  • B. NBC Symphony Orchestra (historical)
    The NBC Symphony Orchestra was a renowned American radio orchestra created by NBC in 1937, most famous for its association with conductor Arturo Toscanini and its influential broadcasts and recordings.
  • C. New Symphony Orchestra
    The New Symphony Orchestra was the original name of the ensemble that later became known as the Toronto Symphony Orchestra, one of Canada's leading professional orchestras.
  • D. National Philharmonic
    The National Philharmonic is a professional orchestra and chorale based in the Washington, D.C. metropolitan area, known for performing classical and symphonic repertoire and for its extensive educational and community outreach programs.
  • E. The CBS Orchestra
    The CBS Orchestra was the longtime house band for David Letterman’s late-night shows, known for its tight musicianship and leadership by bandleader Paul Shaffer.
  • 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_69bd44391fc48190a311ce9c826c209b elicitation completed
NER batch_69bd74249a8c8190952680aee06a9286 ner completed
NED1 batch_69be9c9305bc8190b323e69c17241ffc ned_source_triple completed
Created at: March 20, 2026, 1:37 p.m.