Triple

T6280799
Position Surface form Disambiguated ID Type / Status
Subject anti-apartheid movement E140775 entity
Predicate supportedLeader P33755 FINISHED
Object Nelson Mandela E9390 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: Nelson Mandela | Statement: [anti-apartheid movement, supportedLeader, Nelson Mandela]

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: Nelson Mandela
Context triple: [anti-apartheid movement, supportedLeader, Nelson Mandela]
  • A. Nelson Mandela chosen
    Nelson Mandela was a South African anti-apartheid revolutionary, political leader, and Nobel Peace Prize laureate who became the country’s first Black president and a global symbol of reconciliation and justice.
  • B. Mandela
    Mandela is a prominent South African surname most famously associated with Nelson Mandela and his influential family in the struggle against apartheid.
  • C. Mandla Mandela
    Mandla Mandela is a South African traditional leader and politician, best known as the grandson of Nelson Mandela and chief of the Mvezo Traditional Council.
  • D. Kekewich Mandela
    Kekewich Mandela is a member of the Thembu royal family, a Xhosa-speaking dynasty in South Africa historically associated with leadership and chieftaincy.
  • E. Oliver Tambo
    Oliver Tambo was a prominent South African anti-apartheid activist and long-serving president of the African National Congress who played a key role in building its international support and guiding the liberation struggle in exile.
  • 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_69c008cc158881908df6ec94a911c736 elicitation completed
NER batch_69c063ddb3a4819083455f6da854f8a9 ner completed
NED1 batch_69c5e411332481908ffff37cad062cce ned_source_triple completed
Created at: March 22, 2026, 4:26 p.m.