Triple
T2302053
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pollsmoor Prison |
E51754
|
entity |
| Predicate | notableInmate |
P22
|
FINISHED |
| Object |
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.
|
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: Henri van Breda | Statement: [Pollsmoor Prison, notableInmate, Henri van Breda]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Henri van Breda Context triple: [Pollsmoor Prison, notableInmate, Henri van Breda]
-
A.
Koos de la Rey
Koos de la Rey was a prominent Boer general and military leader renowned for his tactical skill and guerrilla warfare during the Anglo-Boer conflicts in South Africa.
-
B.
Piet Joubert
Piet Joubert was a prominent Boer military leader and politician who served as Commandant-General of the South African Republic and played a key role in conflicts against British rule in the late 19th century.
-
C.
Quartus de Wet
Quartus de Wet was the South African judge who presided over the landmark Rivonia Trial that led to the imprisonment of Nelson Mandela and other anti-apartheid leaders.
-
D.
Christiaan de Wet
Christiaan de Wet was a prominent Boer general and guerrilla leader renowned for his daring and highly effective campaigns against British forces during the Second Boer War.
-
E.
Andries Hendrik Potgieter
Andries Hendrik Potgieter was a prominent Voortrekker leader and Boer pioneer who played a key role in establishing early Boer settlements in the interior of southern Africa during the 19th century.
- 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: Henri van Breda Triple: [Pollsmoor Prison, notableInmate, Henri van Breda]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Henri van Breda Target entity description: 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.
-
A.
Koos de la Rey
Koos de la Rey was a prominent Boer general and military leader renowned for his tactical skill and guerrilla warfare during the Anglo-Boer conflicts in South Africa.
-
B.
Piet Joubert
Piet Joubert was a prominent Boer military leader and politician who served as Commandant-General of the South African Republic and played a key role in conflicts against British rule in the late 19th century.
-
C.
Quartus de Wet
Quartus de Wet was the South African judge who presided over the landmark Rivonia Trial that led to the imprisonment of Nelson Mandela and other anti-apartheid leaders.
-
D.
Christiaan de Wet
Christiaan de Wet was a prominent Boer general and guerrilla leader renowned for his daring and highly effective campaigns against British forces during the Second Boer War.
-
E.
Andries Hendrik Potgieter
Andries Hendrik Potgieter was a prominent Voortrekker leader and Boer pioneer who played a key role in establishing early Boer settlements in the interior of southern Africa during the 19th century.
- 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_69a88b0a9f248190bcff941463d8f65a |
completed | March 4, 2026, 7:42 p.m. |
| NER | Named-entity recognition | batch_69abc5ef51948190ae828d8ee02feb75 |
completed | March 7, 2026, 6:30 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69af2b6475948190816531b026c7930c |
completed | March 9, 2026, 8:19 p.m. |
| NEDg | Description generation | batch_69af50127dd88190842ef229ad74d6e7 |
completed | March 9, 2026, 10:56 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69af508ef3f081909507a1463117366a |
completed | March 9, 2026, 10:58 p.m. |
Created at: March 4, 2026, 7:49 p.m.