Triple

T11605572
Position Surface form Disambiguated ID Type / Status
Subject Henri van Breda E275248 entity
Predicate victim P870 FINISHED
Object Martin van Breda
Martin van Breda was a member of the South African Van Breda family who was killed in the widely publicized 2015 axe murders in Stellenbosch.
 E275248 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: Martin van Breda | Statement: [Henri van Breda, victim, Martin van Breda]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Martin van Breda
Context triple: [Henri van Breda, victim, Martin van Breda]
  • A. Henri van Breda
    Henri van Breda is a South African man convicted of murdering his parents and brother with an axe in a high-profile 2015 family massacre in Stellenbosch.
  • B. Christiaan Bezuidenhout
    Christiaan Bezuidenhout is a South African professional golfer known for his success on the European Tour and his remarkable rise despite overcoming significant personal health challenges.
  • C. Adriaan van Zyl
    Adriaan van Zyl is an editor known for his work on the publication "The Pact."
  • D. Andries Treurnicht
    Andries Treurnicht was a prominent South African politician and staunch defender of apartheid who led a right-wing breakaway from the ruling National Party.
  • E. Andries Odendaal
    Andries Odendaal is a South African designer best known for creating Zakumi, the official mascot of the 2010 FIFA World Cup.
  • 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: Martin van Breda
Triple: [Henri van Breda, victim, Martin van Breda]
Generated description
Martin van Breda was a member of the South African Van Breda family who was killed in the widely publicized 2015 axe murders in Stellenbosch.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Martin van Breda
Target entity description: Martin van Breda was a member of the South African Van Breda family who was killed in the widely publicized 2015 axe murders in Stellenbosch.
  • A. Henri van Breda chosen
    Henri van Breda is a South African man convicted of murdering his parents and brother with an axe in a high-profile 2015 family massacre in Stellenbosch.
  • B. Christiaan Bezuidenhout
    Christiaan Bezuidenhout is a South African professional golfer known for his success on the European Tour and his remarkable rise despite overcoming significant personal health challenges.
  • C. Adriaan van Zyl
    Adriaan van Zyl is an editor known for his work on the publication "The Pact."
  • D. Andries Treurnicht
    Andries Treurnicht was a prominent South African politician and staunch defender of apartheid who led a right-wing breakaway from the ruling National Party.
  • E. Andries Odendaal
    Andries Odendaal is a South African designer best known for creating Zakumi, the official mascot of the 2010 FIFA World Cup.
  • F. None of above.

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_69d6aaf84b548190ac072e4fb89ae18f completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d895502e0081909ee9c3d45d26cd91 completed April 10, 2026, 6:14 a.m.
NED1 Entity disambiguation (via context triple) batch_69ef131cb534819099f9371c45c717c4 completed April 27, 2026, 7:41 a.m.
NEDg Description generation batch_69ef354b3b3c8190b1c91dbf9c705a7d completed April 27, 2026, 10:07 a.m.
NED2 Entity disambiguation (via description) batch_69ef5170ce9881908f2ecf3d5ada809a completed April 27, 2026, 12:07 p.m.
Created at: April 8, 2026, 9:38 p.m.