Triple
T21133626
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pretoria Pit disaster (1910) |
E520752
|
entity |
| Predicate | relatedTo |
P37
|
FINISHED |
| Object | Gresford disaster |
—
|
NE NERFINISHED |
How this triple was built (2 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: Gresford disaster | Statement: [Pretoria Pit disaster (1910), relatedTo, Gresford disaster]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Gresford disaster Context triple: [Pretoria Pit disaster (1910), relatedTo, Gresford disaster]
-
A.
Charfield rail disaster
The Charfield rail disaster was a 1928 railway accident in Gloucestershire, England, in which an express train collided with a freight train and caught fire, killing 16 people and leaving two child victims famously unidentified.
-
B.
Senghenydd colliery disaster
chosen
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.
-
C.
Tay Bridge disaster
The Tay Bridge disaster was a catastrophic 1879 railway bridge collapse in Scotland during a violent storm, killing dozens of passengers and prompting major changes in bridge engineering and safety standards.
-
D.
Morecambe Bay cockling disaster
The Morecambe Bay cockling disaster was a 2004 tragedy in which at least 21 undocumented Chinese migrant workers drowned while harvesting cockles off the coast of northwest England, exposing severe exploitation and safety failures in the shellfish industry.
-
E.
Dolgarrog dam disaster
The Dolgarrog dam disaster was a catastrophic 1925 dam failure in the village of Dolgarrog, Wales, that caused a deadly flood and led to major changes in British dam safety regulations.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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.