Triple

T21133625
Position Surface form Disambiguated ID Type / Status
Subject Pretoria Pit disaster (1910) E520752 entity
Predicate relatedTo P37 FINISHED
Object Senghenydd colliery disaster
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.
E1468363 NE FINISHED

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: 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.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Senghenydd colliery disaster
Triple: [Pretoria Pit disaster (1910), relatedTo, Senghenydd colliery disaster]
Generated 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.
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 (5 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.
NED1 Entity disambiguation (via context triple) batch_6a0965f1fb2c8190b66ee5e64cc98aa4 completed May 17, 2026, 6:53 a.m.
NEDg Description generation batch_6a0966f894d48190b6841c35a9aab417 completed May 17, 2026, 6:58 a.m.
NED2 Entity disambiguation (via description) batch_6a096adfd4248190a26c513278e7b334 completed May 17, 2026, 7:14 a.m.
Created at: April 16, 2026, 2:56 p.m.