Triple

T22109876
Position Surface form Disambiguated ID Type / Status
Subject Minister in the Presidency of South Africa E546384 entity
Predicate seat P75 FINISHED
Object Union Buildings, Pretoria — 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: Union Buildings, Pretoria | Statement: [Minister in the Presidency of South Africa, seat, Union Buildings, Pretoria]

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: Union Buildings, Pretoria
Context triple: [Minister in the Presidency of South Africa, seat, Union Buildings, Pretoria]
  • A. Union buildings, Pretoria chosen
    The Union Buildings in Pretoria are a grand sandstone government complex that serves as the official seat of the South African government and the offices of the President.
  • B. Pretoria City Hall
    Pretoria City Hall is a historic civic building and landmark in Pretoria, South Africa, known for its distinctive architecture and role as a center for municipal and cultural events.
  • C. Johannesburg City Hall
    Johannesburg City Hall is a historic civic building and architectural landmark in central Johannesburg that houses the city’s municipal chambers and hosts official events.
  • D. Government House, Pretoria
    Government House, Pretoria was the official residence and administrative headquarters of the British-appointed Governor-General during the Union of South Africa era.
  • E. Palace of Justice, Pretoria
    The Palace of Justice in Pretoria is a historic courthouse best known as the site of the Rivonia Trial, where Nelson Mandela and other anti-apartheid leaders were prosecuted.
  • 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_69e11e378dc08190896d6a51597afd5a elicitation completed
NER batch_69f12948c2ec819083340787b2062649 ner completed
Created at: April 16, 2026, 8:30 p.m.