Triple
T21133625
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pretoria Pit disaster (1910) |
E520752
|
entity |
| Predicate | relatedTo |
P37
|
FINISHED |
| Object | Senghenydd colliery disaster |
—
|
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: Senghenydd colliery disaster | Statement: [Pretoria Pit disaster (1910), relatedTo, Senghenydd colliery disaster]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Senghenydd colliery disaster Context triple: [Pretoria Pit disaster (1910), relatedTo, Senghenydd colliery disaster]
-
A.
Cambrian Colliery
Cambrian Colliery was a major coal mine in the Rhondda Valley of South Wales, historically significant as a focal point of early 20th-century industrial conflict and labor unrest.
-
B.
Aberfan
Aberfan is a village in South Wales best known for the 1966 coal tip disaster that tragically killed 144 people, most of them children.
-
C.
Brora Colliery
Brora Colliery was a coal mine that historically served as a key industrial employer and energy source for the village of Brora in the Scottish Highlands.
-
D.
Shakespeare Colliery
Shakespeare Colliery was a coal mine in the Kent coalfield near Dover, England, notable as one of the early and more prominent pits in the region’s short-lived coal-mining industry.
-
E.
Agecroft Colliery
Agecroft Colliery was a major coal mine in Pendlebury, near Manchester, England, that operated from the 19th century until its closure in the early 1990s and played a significant role in the region’s industrial history.
- 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: Senghenydd colliery disaster Target entity description: The Senghenydd colliery disaster was a catastrophic coal mine explosion in Wales in 1913 that remains the worst mining accident in British history, killing over 400 miners.
-
A.
Cambrian Colliery
Cambrian Colliery was a major coal mine in the Rhondda Valley of South Wales, historically significant as a focal point of early 20th-century industrial conflict and labor unrest.
-
B.
Aberfan
Aberfan is a village in South Wales best known for the 1966 coal tip disaster that tragically killed 144 people, most of them children.
-
C.
Brora Colliery
Brora Colliery was a coal mine that historically served as a key industrial employer and energy source for the village of Brora in the Scottish Highlands.
-
D.
Shakespeare Colliery
Shakespeare Colliery was a coal mine in the Kent coalfield near Dover, England, notable as one of the early and more prominent pits in the region’s short-lived coal-mining industry.
-
E.
Agecroft Colliery
Agecroft Colliery was a major coal mine in Pendlebury, near Manchester, England, that operated from the 19th century until its closure in the early 1990s and played a significant role in the region’s industrial history.
- 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.