Triple

T11417550
Position Surface form Disambiguated ID Type / Status
Subject Stafford House E270531 entity
Predicate laterOwner P12936 FINISHED
Object Duke of Lancaster E20513 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: Duke of Lancaster | Statement: [Stafford House, laterOwner, Duke of Lancaster]

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: Duke of Lancaster
Context triple: [Stafford House, laterOwner, Duke of Lancaster]
  • A. Duke of Lancaster chosen
    The Duke of Lancaster is a royal title traditionally held by the reigning British monarch in connection with the historic Duchy of Lancaster, a significant landed estate and source of private income for the sovereign.
  • B. Duke of St Albans
    The Duke of St Albans is a hereditary title in the Peerage of England, traditionally associated with descendants of King Charles II and recognized as one of the historic English dukedoms.
  • C. Duke of Cleveland
    The Duke of Cleveland was a noble title in the Peerage of England, historically held by members of the aristocracy connected to the English royal court and political life.
  • D. Duke of Bedford
    The Duke of Bedford is a hereditary British peerage title historically associated with the Russell family, prominent landowners and political figures in England.
  • E. Duke of Manchester
    The Duke of Manchester is a hereditary title in the Peerage of Great Britain historically associated with the Montagu family and centered on Kimbolton Castle in Cambridgeshire.
  • 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_69d6aaddeaa8819088b30ef7b50598c9 elicitation completed
NER batch_69d801b0236c81908122ce3fc7b4fde7 ner completed
NED1 batch_69e603e6614c8190b61691bd933fa529 ned_source_triple completed
Created at: April 8, 2026, 9:34 p.m.