Triple

T11327480
Position Surface form Disambiguated ID Type / Status
Subject Thembuland E268258 entity
Predicate birthRegionOf P1 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: [Thembuland, birthRegionOf, Nelson Mandela]

Disambiguation candidates (2 decisions)

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: [Thembuland, birthRegionOf, 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. Madiba Thembekile Mandela
    Madiba Thembekile Mandela was one of Nelson Mandela’s sons, who died tragically in a car accident in 1969.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: birthRegionOf
Context triple: [Thembuland, birthRegionOf, Nelson Mandela]
  • A. allegedBirthRegion
    Indicates the region where an entity is claimed or reported to have been born, without asserting that this birthplace is verified as fact.
  • B. homeCountryRegion
    Indicates the country or broader geographic region that is considered the primary home or origin of an entity.
  • C. calendarRegionOfOrigin
    Indicates the geographic or cultural region from which a particular calendar system originates.
  • D. traditionalRegionOfResidence
    Indicates the customary or historically established geographic region where an entity (typically a person or group) resides or is considered to be from.
  • E. placeOfBirth chosen
    Indicates the location where a person or other entity was born.
  • F. None of above.

Provenance (4 batches)

Stage Batch ID Job type Status
creating batch_69d6aacb1f0881908c84a349fd1be047 elicitation completed
NER batch_69d7e9e2253881909518cad0f12ef612 ner completed
NED1 batch_69e54318be088190b57de40a2091447d ned_source_triple completed
PD batch_69d787afe5a48190b8af1a3e19529641 pd completed
Created at: April 8, 2026, 9:32 p.m.