Triple

T6722724
Position Surface form Disambiguated ID Type / Status
Subject Ibrox Stadium E153434 entity
Predicate notableEvent P259 FINISHED
Object 1902 Ibrox disaster
The 1902 Ibrox disaster was a tragic stadium collapse during a Scotland vs. England football match in Glasgow that killed 25 spectators and led to major reforms in stadium safety and construction.
E612894 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: 1902 Ibrox disaster | Statement: [Ibrox Stadium, notableEvent, 1902 Ibrox disaster]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: 1902 Ibrox disaster
Context triple: [Ibrox Stadium, notableEvent, 1902 Ibrox disaster]
  • A. 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.
  • B. Bradford City stadium fire
    The Bradford City stadium fire was a 1985 disaster at Valley Parade in Bradford, England, where a rapidly spreading blaze in the main stand killed 56 spectators and led to major reforms in football ground safety.
  • C. Heysel Stadium disaster
    The Heysel Stadium disaster was a 1985 football tragedy in Brussels, where crowd violence and a stadium wall collapse before the European Cup final led to 39 deaths and prompted a long ban on English clubs from European competitions.
  • D. Hillsborough disaster
    The Hillsborough disaster was a 1989 human crush tragedy at an FA Cup semi-final in Sheffield that killed 97 Liverpool supporters and led to major reforms in English football stadium safety and policing.
  • E. Ladbroke Grove rail crash
    The Ladbroke Grove rail crash was a major 1999 train collision near Paddington Station in London that resulted in 31 deaths, over 500 injuries, and significant scrutiny of UK rail safety and signaling practices.
  • 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: 1902 Ibrox disaster
Triple: [Ibrox Stadium, notableEvent, 1902 Ibrox disaster]
Generated description
The 1902 Ibrox disaster was a tragic stadium collapse during a Scotland vs. England football match in Glasgow that killed 25 spectators and led to major reforms in stadium safety and construction.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: 1902 Ibrox disaster
Target entity description: The 1902 Ibrox disaster was a tragic stadium collapse during a Scotland vs. England football match in Glasgow that killed 25 spectators and led to major reforms in stadium safety and construction.
  • A. 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.
  • B. Bradford City stadium fire
    The Bradford City stadium fire was a 1985 disaster at Valley Parade in Bradford, England, where a rapidly spreading blaze in the main stand killed 56 spectators and led to major reforms in football ground safety.
  • C. Heysel Stadium disaster
    The Heysel Stadium disaster was a 1985 football tragedy in Brussels, where crowd violence and a stadium wall collapse before the European Cup final led to 39 deaths and prompted a long ban on English clubs from European competitions.
  • D. Hillsborough disaster
    The Hillsborough disaster was a 1989 human crush tragedy at an FA Cup semi-final in Sheffield that killed 97 Liverpool supporters and led to major reforms in English football stadium safety and policing.
  • E. Ladbroke Grove rail crash
    The Ladbroke Grove rail crash was a major 1999 train collision near Paddington Station in London that resulted in 31 deaths, over 500 injuries, and significant scrutiny of UK rail safety and signaling practices.
  • 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_69c6880afb988190ad88011b48ecfcba completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6d139d50c81908b19120f139deaa5 completed March 27, 2026, 6:49 p.m.
NED1 Entity disambiguation (via context triple) batch_69c700a14ebc819092cc40f522540f1a completed March 27, 2026, 10:11 p.m.
NEDg Description generation batch_69c7023cc3d08190810fc8482326e7b9 completed March 27, 2026, 10:18 p.m.
NED2 Entity disambiguation (via description) batch_69c703d67ff481908476b97fee97959a completed March 27, 2026, 10:25 p.m.
Created at: March 27, 2026, 2:08 p.m.