Triple

T9904262
Position Surface form Disambiguated ID Type / Status
Subject Convention for a Democratic South Africa E182364 entity
Predicate coChairperson P20567 FINISHED
Object Roelf Meyer
Roelf Meyer is a South African politician best known as a chief negotiator in the country’s transition from apartheid to democracy and for his role in drafting the post-apartheid constitution.
E827273 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
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: Roelf Meyer | Statement: [Convention for a Democratic South Africa, coChairperson, Roelf Meyer]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Roelf Meyer
Context triple: [Convention for a Democratic South Africa, coChairperson, Roelf Meyer]
  • A. Hendrik Louw
    Hendrik Louw is a person notable enough to be recognized as a significant bearer of the surname Louw.
  • B. Piet Pretorius
    Piet Pretorius is a notable member of the Pretorius family, a prominent South African family historically influential in the country’s political and social spheres.
  • C. Cecil Skotnes
    Cecil Skotnes was a prominent South African artist known for his innovative woodcut prints and contributions to modern African art.
  • D. Adriaan Vorster
    Adriaan Vorster is an individual notable enough to be recognized as a significant bearer of the surname Vorster.
  • E. Ben Viljoen
    Ben Viljoen was a prominent Boer general and political figure who played a key leadership role in the Second Boer War against the British.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Roelf Meyer
Triple: [Convention for a Democratic South Africa, coChairperson, Roelf Meyer]
Generated description
Roelf Meyer is a South African politician best known as a chief negotiator in the country’s transition from apartheid to democracy and for his role in drafting the post-apartheid constitution.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Roelf Meyer
Target entity description: Roelf Meyer is a South African politician best known as a chief negotiator in the country’s transition from apartheid to democracy and for his role in drafting the post-apartheid constitution.
  • A. Hendrik Louw
    Hendrik Louw is a person notable enough to be recognized as a significant bearer of the surname Louw.
  • B. Piet Pretorius
    Piet Pretorius is a notable member of the Pretorius family, a prominent South African family historically influential in the country’s political and social spheres.
  • C. Cecil Skotnes
    Cecil Skotnes was a prominent South African artist known for his innovative woodcut prints and contributions to modern African art.
  • D. Adriaan Vorster
    Adriaan Vorster is an individual notable enough to be recognized as a significant bearer of the surname Vorster.
  • E. Ben Viljoen
    Ben Viljoen was a prominent Boer general and political figure who played a key leadership role in the Second Boer War against the British.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69ca82876f8081909cf75df0f99bb13f completed March 30, 2026, 2:02 p.m.
NER Named-entity recognition batch_69cdb4e4f92c81908e38509416f19c78 completed April 2, 2026, 12:14 a.m.
NED1 Entity disambiguation (via context triple) batch_69d1eb2c1d5c8190b6f1c43254487893 completed April 5, 2026, 4:55 a.m.
NEDg Description generation batch_69d1ebbd5b708190869e9b72ef872be4 completed April 5, 2026, 4:57 a.m.
NED2 Entity disambiguation (via description) batch_69d1ec25192081908b384cefb5c325f1 completed April 5, 2026, 4:59 a.m.
Created at: March 30, 2026, 8:40 p.m.