Triple

T11949152
Position Surface form Disambiguated ID Type / Status
Subject Heysel Stadium E284382 entity
Predicate safetyRecordChangedAfter P102423 FINISHED
Object 1985 Heysel disaster E59103 NE FINISHED

How this triple was built (3 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: 1985 Heysel disaster | Statement: [Heysel Stadium, safetyRecordChangedAfter, 1985 Heysel disaster]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: 1985 Heysel disaster
Context triple: [Heysel Stadium, safetyRecordChangedAfter, 1985 Heysel disaster]
  • A. Heysel Stadium disaster chosen
    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.
  • B. Heysel Stadium
    Heysel Stadium was a major sports venue in Brussels, Belgium, best known as the site of the 1985 European Cup Final and the tragic disaster that led to significant reforms in football stadium safety.
  • C. 1971 Ibrox disaster
    The 1971 Ibrox disaster was a tragic crowd crush at a Rangers football match in Glasgow that killed 66 spectators and led to major reforms in stadium safety.
  • D. 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.
  • E. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: safetyRecordChangedAfter
Context triple: [Heysel Stadium, safetyRecordChangedAfter, 1985 Heysel disaster]
  • A. safetyChangesImplemented
    Indicates that specific safety-related modifications or measures have been put into effect.
  • B. safetyRegulationChange
    Indicates a modification, update, or revision to existing safety regulations governing how something must be designed, operated, or managed.
  • C. safetyRegulationsUpdatedAfter
    Indicates that one set of safety regulations was revised or brought into effect at a later time than another set of safety regulations.
  • D. safetyRecordImprovementPeriod
    Indicates the time span over which changes or improvements in a subject’s safety record are measured or evaluated.
  • E. securityChangesAfter
    Indicates that the security status or configuration of one entity is modified as a consequence of a prior event or change in another entity.
  • 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_69d6ab2db38c8190b1f0ed6663ef8ada completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d90346825c8190ab4482a1fc8eed56 completed April 10, 2026, 2:03 p.m.
NED1 Entity disambiguation (via context triple) batch_69f471ba7fd88190909596e6e01e8714 completed May 1, 2026, 9:26 a.m.
PD Predicate disambiguation batch_69d8bb3e48e08190b2fee43af4f57323 completed April 10, 2026, 8:56 a.m.
PDg Predicate description generation batch_69d8dd0ba0f88190b7d5e358c27ca184 completed April 10, 2026, 11:20 a.m.
Created at: April 8, 2026, 9:45 p.m.