Triple

T7219817
Position Surface form Disambiguated ID Type / Status
Subject Pitt (biography of William Pitt the Younger) E150227 entity
Predicate biographer P17033 FINISHED
Object Archibald Primrose, 5th Earl of Rosebery E27999 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: Archibald Primrose, 5th Earl of Rosebery | Statement: [Pitt (biography of William Pitt the Younger), biographer, Archibald Primrose, 5th Earl of Rosebery]

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: Archibald Primrose, 5th Earl of Rosebery
Context triple: [Pitt (biography of William Pitt the Younger), biographer, Archibald Primrose, 5th Earl of Rosebery]
  • A. Archibald Primrose, 5th Earl of Rosebery chosen
    Archibald Primrose, 5th Earl of Rosebery, was a British Liberal statesman who served briefly as Prime Minister of the United Kingdom from 1894 to 1895.
  • B. John Russell, 1st Earl Russell
    John Russell, 1st Earl Russell was a prominent 19th-century British Whig statesman who served twice as Prime Minister of the United Kingdom and played a key role in advancing parliamentary reform.
  • C. The Marquess of Salisbury
    The Marquess of Salisbury is a hereditary title in the British peerage most famously associated with Robert Gascoyne-Cecil, a Conservative statesman who served multiple terms as Prime Minister of the United Kingdom in the late 19th and early 20th centuries.
  • D. John Russell, 4th Earl Russell
    John Russell, 4th Earl Russell was a British peer and politician, notable as the grandson of Prime Minister John Russell and the son of philosopher Bertrand Russell.
  • E. Herbert Gladstone
    Herbert Gladstone was a British Liberal politician and son of Prime Minister William Ewart Gladstone, best known for his influential role in early 20th-century domestic policy and party organization.
  • 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_69c687effb44819092b95d07d0368c9f elicitation completed
NER batch_69c6e9b1a7908190bd215ffb84592e32 ner completed
NED1 batch_69c8fa20137081909a21ac366c19407f ned_source_triple completed
Created at: March 27, 2026, 2:53 p.m.