Triple
T21133609
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pretoria Pit disaster (1910) |
E520752
|
entity |
| Predicate | mineComplex |
P116333
|
FINISHED |
| Object | Hulton Colliery |
—
|
NE NERFINISHED |
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: Hulton Colliery | Statement: [Pretoria Pit disaster (1910), mineComplex, Hulton Colliery]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hulton Colliery Context triple: [Pretoria Pit disaster (1910), mineComplex, Hulton Colliery]
-
A.
Hetton Colliery
Hetton Colliery was a historically significant coal mine in Hetton-le-Hole, England, notable as one of the earliest large-scale deep coal mines and for its pioneering use of steam-powered railway transport.
-
B.
Milner Colliery
Milner Colliery was a coal mine located within England’s Kent coalfield, part of the region’s early- to mid-20th-century coal mining industry.
-
C.
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.
-
D.
Shotton Colliery
Shotton Colliery is a former coal mining village in County Durham, England, known for its historical ties to the Durham coalfield.
-
E.
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.
- 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 Target entity description: Hulton Colliery was a large coal mining complex in Lancashire, England, historically notable as the site of the 1910 Pretoria Pit disaster, one of Britain’s worst mining tragedies.
-
A.
Hetton Colliery
Hetton Colliery was a historically significant coal mine in Hetton-le-Hole, England, notable as one of the earliest large-scale deep coal mines and for its pioneering use of steam-powered railway transport.
-
B.
Milner Colliery
Milner Colliery was a coal mine located within England’s Kent coalfield, part of the region’s early- to mid-20th-century coal mining industry.
-
C.
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.
-
D.
Shotton Colliery
Shotton Colliery is a former coal mining village in County Durham, England, known for its historical ties to the Durham coalfield.
-
E.
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.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: mineComplex Context triple: [Pretoria Pit disaster (1910), mineComplex, Hulton Colliery]
-
A.
mineLevel
Indicates the depth or richness of mining activity or resources associated with an entity.
-
B.
mineLayer
Indicates that an entity is responsible for placing or deploying mines in an area or along a route.
-
C.
mineName
chosen
Indicates that an entity has or is associated with a specific mine identified by a given name.
-
D.
mines
Indicates that an agent extracts or removes natural resources or minerals from the ground.
-
E.
majorMine
Indicates that a mine is classified as a major or primary mining site, typically based on its scale, output, or importance.
- F. None of above.
Provenance (3 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. |
| PD | Predicate disambiguation | batch_69e5f5ed6c8c8190b31092a5d4c3de5d |
completed | April 20, 2026, 9:46 a.m. |
Created at: April 16, 2026, 2:56 p.m.