Triple

T2625292
Position Surface form Disambiguated ID Type / Status
Subject Heysel Stadium disaster E59103 entity
Predicate location P40 FINISHED
Object 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.
E284382 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 | Statement: [Heysel Stadium disaster, location, Heysel Stadium]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Heysel Stadium
Context triple: [Heysel Stadium disaster, location, Heysel Stadium]
  • A. 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.
  • B. Hillsborough Stadium
    Hillsborough Stadium is a historic football ground in Sheffield, England, best known as the home of Sheffield Wednesday F.C. and as the site of the 1989 Hillsborough disaster.
  • C. Soevereinstadion
    Soevereinstadion is a football stadium in Lommel, Belgium, primarily used for hosting the home matches of Lommel SK.
  • D. Olympia Stadium
    Olympia Stadium was a historic indoor arena in Detroit, Michigan, best known as the longtime home of the NHL’s Detroit Red Wings and a major venue for sports and entertainment events in the mid-20th century.
  • E. Millerntor-Stadion
    Millerntor-Stadion is a football stadium in Hamburg, Germany, known for its passionate atmosphere and association with the left-leaning, cult club FC St. Pauli.
  • 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
Triple: [Heysel Stadium disaster, location, Heysel Stadium]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Heysel Stadium
Target entity description: 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.
  • A. 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.
  • B. Hillsborough Stadium
    Hillsborough Stadium is a historic football ground in Sheffield, England, best known as the home of Sheffield Wednesday F.C. and as the site of the 1989 Hillsborough disaster.
  • C. Soevereinstadion
    Soevereinstadion is a football stadium in Lommel, Belgium, primarily used for hosting the home matches of Lommel SK.
  • D. Olympia Stadium
    Olympia Stadium was a historic indoor arena in Detroit, Michigan, best known as the longtime home of the NHL’s Detroit Red Wings and a major venue for sports and entertainment events in the mid-20th century.
  • E. Millerntor-Stadion
    Millerntor-Stadion is a football stadium in Hamburg, Germany, known for its passionate atmosphere and association with the left-leaning, cult club FC St. Pauli.
  • 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_69ab4ac558388190962492cd2e1b0ce6 completed March 6, 2026, 9:44 p.m.
NER Named-entity recognition batch_69abd8b061a08190b7a8459851abaae2 completed March 7, 2026, 7:50 a.m.
NED1 Entity disambiguation (via context triple) batch_69af909e02d0819082377681f4376531 completed March 10, 2026, 3:31 a.m.
NEDg Description generation batch_69af9359975c8190b76029f4555039f9 completed March 10, 2026, 3:43 a.m.
NED2 Entity disambiguation (via description) batch_69af941e2d588190a9754df030d25301 completed March 10, 2026, 3:46 a.m.
Created at: March 6, 2026, 9:50 p.m.