Triple

T5453614
Position Surface form Disambiguated ID Type / Status
Subject Westhoughton E122425 entity
Predicate notableEvent P259 FINISHED
Object Pretoria Pit disaster (1910)
The Pretoria Pit disaster (1910) was a catastrophic coal mining explosion in Lancashire, England, that killed over 300 miners and became one of Britain’s worst mining tragedies.
E520752 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: Pretoria Pit disaster (1910) | Statement: [Westhoughton, notableEvent, Pretoria Pit disaster (1910)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Pretoria Pit disaster (1910)
Context triple: [Westhoughton, notableEvent, Pretoria Pit disaster (1910)]
  • A. Bois du Cazier mining disaster of 1956
    The Bois du Cazier mining disaster of 1956 was a catastrophic coal mine fire in Marcinelle, Belgium, that killed 262 miners—many of them Italian migrant workers—and became a landmark tragedy in European industrial and labor history.
  • B. New York Mining Disaster 1941
    "New York Mining Disaster 1941" is an early Bee Gees pop song, released in 1967, known for its haunting narrative about trapped miners and for helping launch the group's international career.
  • C. 2010 Copiapó mining accident
    The 2010 Copiapó mining accident was a Chilean mine collapse in which 33 miners were trapped underground for 69 days before being dramatically rescued in a globally televised operation.
  • D. 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.
  • E. Murder of Piet Retief
    The Murder of Piet Retief was a pivotal 1838 killing of the Voortrekker leader and his delegation by Zulu King Dingane, an event that dramatically escalated conflict during the Great Trek in South Africa.
  • 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: Pretoria Pit disaster (1910)
Triple: [Westhoughton, notableEvent, Pretoria Pit disaster (1910)]
Generated description
The Pretoria Pit disaster (1910) was a catastrophic coal mining explosion in Lancashire, England, that killed over 300 miners and became one of Britain’s worst mining tragedies.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Pretoria Pit disaster (1910)
Target entity description: The Pretoria Pit disaster (1910) was a catastrophic coal mining explosion in Lancashire, England, that killed over 300 miners and became one of Britain’s worst mining tragedies.
  • A. Bois du Cazier mining disaster of 1956
    The Bois du Cazier mining disaster of 1956 was a catastrophic coal mine fire in Marcinelle, Belgium, that killed 262 miners—many of them Italian migrant workers—and became a landmark tragedy in European industrial and labor history.
  • B. New York Mining Disaster 1941
    "New York Mining Disaster 1941" is an early Bee Gees pop song, released in 1967, known for its haunting narrative about trapped miners and for helping launch the group's international career.
  • C. 2010 Copiapó mining accident
    The 2010 Copiapó mining accident was a Chilean mine collapse in which 33 miners were trapped underground for 69 days before being dramatically rescued in a globally televised operation.
  • D. 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.
  • E. Murder of Piet Retief
    The Murder of Piet Retief was a pivotal 1838 killing of the Voortrekker leader and his delegation by Zulu King Dingane, an event that dramatically escalated conflict during the Great Trek in South Africa.
  • 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_69bd46424248819085282ddf50a565f3 completed March 20, 2026, 1:06 p.m.
NER Named-entity recognition batch_69bd91e170f48190b47419b5e2ff71a4 completed March 20, 2026, 6:28 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf4140248081908c7f42b91579a837 completed March 22, 2026, 1:09 a.m.
NEDg Description generation batch_69bf41dd96448190973b7241df5dbb24 completed March 22, 2026, 1:11 a.m.
NED2 Entity disambiguation (via description) batch_69bf42b97d40819087a98c1cc58bb964 completed March 22, 2026, 1:15 a.m.
Created at: March 20, 2026, 2:08 p.m.