Triple

T19585778
Position Surface form Disambiguated ID Type / Status
Subject Warburg Pincus E490101 entity
Predicate foundedBy P104 FINISHED
Object Lionel Pincus — NE NERFINISHED

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: Lionel Pincus | Statement: [Warburg Pincus, foundedBy, Lionel Pincus]

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: Lionel Pincus
Context triple: [Warburg Pincus, foundedBy, Lionel Pincus]
  • A. Lionel Pincus chosen
    Lionel Pincus was an American financier best known as a pioneering private equity investor and co-founder of the investment firm Warburg Pincus.
  • B. John Widener
    John Widener was a member of the prominent Widener family, known as the son of American streetcar magnate and art collector Peter Arrell Browne Widener.
  • C. Henry Pincus
    Henry Pincus is known primarily as the son of prominent American financier and private equity pioneer Lionel Pincus.
  • D. Carl H. Pforzheimer
    Carl H. Pforzheimer was an American financier and philanthropist known for his influential role on Wall Street and his extensive support of cultural and educational institutions.
  • E. Harry Elkins Widener
    Harry Elkins Widener was a wealthy young American book collector and Harvard alumnus who died in the sinking of the Titanic, in whose memory Harvard’s Widener Library was built.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69d8e8dd9374819098e36349b3211663 elicitation completed
NER batch_69e640513134819082cf233fa3dcc911 ner completed
Created at: April 10, 2026, 1:42 p.m.