Triple
T21133610
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pretoria Pit disaster (1910) |
E520752
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Hulton Colliery Company |
—
|
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: Hulton Colliery Company | Statement: [Pretoria Pit disaster (1910), operator, Hulton Colliery Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hulton Colliery Company Context triple: [Pretoria Pit disaster (1910), operator, Hulton Colliery Company]
-
A.
Boldon Colliery
Boldon Colliery is a former coal mining village in South Tyneside, England, now a residential community with local amenities and transport links to nearby urban centers.
-
B.
Kiveton Park Colliery
Kiveton Park Colliery was a coal mine in Kiveton Park, South Yorkshire, England, that operated from the 19th century until its closure in the late 20th century and played a central role in the local mining community.
-
C.
Seven Sisters Colliery
Seven Sisters Colliery was a coal mine in Wales that served as the industrial hub and primary employer around which the village of Seven Sisters grew.
-
D.
Woodhorn Colliery
Woodhorn Colliery was a former coal mine in Northumberland, England, that played a significant role in the region’s industrial and mining heritage.
-
E.
Wingham Colliery
Wingham Colliery was a coal mine in Kent, England, that formed part of the early 20th-century development of the Kent coalfield.
- 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: Hulton Colliery Company Target entity description: Hulton Colliery Company was a British coal mining firm based in Lancashire, best known for operating the Pretoria Pit where one of the UK’s worst mining disasters occurred in 1910.
-
A.
Boldon Colliery
Boldon Colliery is a former coal mining village in South Tyneside, England, now a residential community with local amenities and transport links to nearby urban centers.
-
B.
Kiveton Park Colliery
Kiveton Park Colliery was a coal mine in Kiveton Park, South Yorkshire, England, that operated from the 19th century until its closure in the late 20th century and played a central role in the local mining community.
-
C.
Seven Sisters Colliery
Seven Sisters Colliery was a coal mine in Wales that served as the industrial hub and primary employer around which the village of Seven Sisters grew.
-
D.
Woodhorn Colliery
Woodhorn Colliery was a former coal mine in Northumberland, England, that played a significant role in the region’s industrial and mining heritage.
-
E.
Wingham Colliery
Wingham Colliery was a coal mine in Kent, England, that formed part of the early 20th-century development of the Kent coalfield.
- 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.