Triple
T21133608
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pretoria Pit disaster (1910) |
E520752
|
entity |
| Predicate | mineName |
P116333
|
FINISHED |
| Object | Pretoria Pit |
—
|
NE NERFINISHED |
How this triple was built (3 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: Pretoria Pit | Statement: [Pretoria Pit disaster (1910), mineName, Pretoria Pit]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pretoria Pit Context triple: [Pretoria Pit disaster (1910), mineName, Pretoria Pit]
-
A.
Magoebaskloof
Magoebaskloof is a scenic mountainous region in South Africa’s Limpopo Province, known for its lush indigenous forests, misty passes, waterfalls, and outdoor recreation.
-
B.
Hartebeesfontein
Hartebeesfontein is a small mining town in South Africa’s North West Province, historically associated with gold and uranium extraction.
-
C.
Gatsrand
Gatsrand is a rural area in South Africa historically noted as the site where Boer war hero Danie Theron was killed during the Second Anglo-Boer War.
-
D.
Kraaifontein
Kraaifontein is a residential suburb in the northern outskirts of Cape Town, South Africa, known for its mixed urban and semi-rural character.
-
E.
Witpoortjie
Witpoortjie is a residential suburb in Roodepoort, South Africa, known for its proximity to the Witpoortjie Falls and the Walter Sisulu National Botanical Garden.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Pretoria Pit Target entity description: Pretoria Pit was a coal mine in Westhoughton, Lancashire, England, best known as the site of one of Britain’s worst mining disasters in 1910.
-
A.
Magoebaskloof
Magoebaskloof is a scenic mountainous region in South Africa’s Limpopo Province, known for its lush indigenous forests, misty passes, waterfalls, and outdoor recreation.
-
B.
Hartebeesfontein
Hartebeesfontein is a small mining town in South Africa’s North West Province, historically associated with gold and uranium extraction.
-
C.
Gatsrand
Gatsrand is a rural area in South Africa historically noted as the site where Boer war hero Danie Theron was killed during the Second Anglo-Boer War.
-
D.
Kraaifontein
Kraaifontein is a residential suburb in the northern outskirts of Cape Town, South Africa, known for its mixed urban and semi-rural character.
-
E.
Witpoortjie
Witpoortjie is a residential suburb in Roodepoort, South Africa, known for its proximity to the Witpoortjie Falls and the Walter Sisulu National Botanical Garden.
- F. None of above. chosen
Provenance (2 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_69e0b50b53048190ae34e8abbe3c5ada |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e7235847948190984c7009ca7f6189 |
completed | April 21, 2026, 7:12 a.m. |
Created at: April 16, 2026, 2:56 p.m.