Triple

T468199
Position Surface form Disambiguated ID Type / Status
Subject Liverpool F.C. E8494 entity
Predicate hasDisaster P15089 FINISHED
Object 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.
E59103 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: Heysel Stadium disaster | Statement: [Liverpool F.C., hasDisaster, Heysel Stadium disaster]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Heysel Stadium disaster
Context triple: [Liverpool F.C., hasDisaster, Heysel Stadium disaster]
  • A. Munich air disaster
    The Munich air disaster was a 1958 plane crash involving Manchester United’s “Busby Babes” that killed 23 people and became one of the most tragic and defining events in football history.
  • B. 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.
  • C. Munich massacre
    The Munich massacre was a terrorist attack during the 1972 Olympic Games in which members of the Palestinian group Black September took Israeli athletes hostage, resulting in the deaths of eleven Israeli team members and a German police officer.
  • D. Birmingham pub bombings
    The Birmingham pub bombings were a 1974 IRA terrorist attack in Birmingham, England, in which bombs exploded in two pubs, killing 21 people and injuring many others, becoming one of the deadliest incidents of The Troubles on the British mainland.
  • E. Hamburg massacre
    The Hamburg massacre was an 1876 white supremacist attack in Hamburg, South Carolina, in which armed Democrats killed and terrorized Black militiamen and citizens to help overthrow Reconstruction-era Republican rule.
  • 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: Heysel Stadium disaster
Triple: [Liverpool F.C., hasDisaster, Heysel Stadium disaster]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Heysel Stadium disaster
Target entity description: 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.
  • A. Munich air disaster
    The Munich air disaster was a 1958 plane crash involving Manchester United’s “Busby Babes” that killed 23 people and became one of the most tragic and defining events in football history.
  • B. 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.
  • C. Munich massacre
    The Munich massacre was a terrorist attack during the 1972 Olympic Games in which members of the Palestinian group Black September took Israeli athletes hostage, resulting in the deaths of eleven Israeli team members and a German police officer.
  • D. Birmingham pub bombings
    The Birmingham pub bombings were a 1974 IRA terrorist attack in Birmingham, England, in which bombs exploded in two pubs, killing 21 people and injuring many others, becoming one of the deadliest incidents of The Troubles on the British mainland.
  • E. Hamburg massacre
    The Hamburg massacre was an 1876 white supremacist attack in Hamburg, South Carolina, in which armed Democrats killed and terrorized Black militiamen and citizens to help overthrow Reconstruction-era Republican rule.
  • 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_69a2e7f3aeb48190a19453e3a043f486 completed Feb. 28, 2026, 1:04 p.m.
NER Named-entity recognition batch_69a2f01ec5148190b74e1727712f1163 completed Feb. 28, 2026, 1:39 p.m.
NED1 Entity disambiguation (via context triple) batch_69a462f7c7b0819097c799a7c53b0e5f completed March 1, 2026, 4:01 p.m.
NEDg Description generation batch_69a46537688c81909321f461e9d7ebc2 completed March 1, 2026, 4:11 p.m.
NED2 Entity disambiguation (via description) batch_69a46589fe548190989b2beb40807005 completed March 1, 2026, 4:12 p.m.
Created at: Feb. 28, 2026, 1:12 p.m.