Triple

T9718503
Position Surface form Disambiguated ID Type / Status
Subject Heysel Plateau E235402 entity
Predicate hasFacility P105 FINISHED
Object Palais du Heysel
Palais du Heysel is a large exhibition and convention center in Brussels, Belgium, known for hosting trade fairs, conferences, and major public events.
 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: Palais du Heysel | Statement: [Heysel Plateau, hasFacility, Palais du Heysel]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Palais du Heysel
Context triple: [Heysel Plateau, hasFacility, Palais du Heysel]
  • A. 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.
  • B. Olympisch Stadion Antwerp
    Olympisch Stadion Antwerp is a historic sports stadium in Antwerp, Belgium, best known for hosting the main events of the 1920 Summer Olympics.
  • C. Delphi stadium
    Delphi stadium is an ancient Greek athletic arena at the sanctuary of Delphi, known for hosting athletic contests associated with the Pythian Games.
  • D. King Baudouin Stadium
    King Baudouin Stadium is Belgium’s national stadium in Brussels, primarily used for football matches and major sporting and cultural events.
  • E. Danube Arena
    Danube Arena is a modern indoor swimming and diving complex in Budapest, Hungary, known for hosting major international aquatic competitions.
  • 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: Palais du Heysel
Triple: [Heysel Plateau, hasFacility, Palais du Heysel]
Generated description
Palais du Heysel is a large exhibition and convention center in Brussels, Belgium, known for hosting trade fairs, conferences, and major public events.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Palais du Heysel
Target entity description: Palais du Heysel is a large exhibition and convention center in Brussels, Belgium, known for hosting trade fairs, conferences, and major public events.
  • A. Heysel Stadium chosen
    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.
  • B. Olympisch Stadion Antwerp
    Olympisch Stadion Antwerp is a historic sports stadium in Antwerp, Belgium, best known for hosting the main events of the 1920 Summer Olympics.
  • C. Delphi stadium
    Delphi stadium is an ancient Greek athletic arena at the sanctuary of Delphi, known for hosting athletic contests associated with the Pythian Games.
  • D. King Baudouin Stadium
    King Baudouin Stadium is Belgium’s national stadium in Brussels, primarily used for football matches and major sporting and cultural events.
  • E. Danube Arena
    Danube Arena is a modern indoor swimming and diving complex in Budapest, Hungary, known for hosting major international aquatic competitions.
  • F. None of above.

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_69ca84d0123c819096f9dc3b6abb0881 completed March 30, 2026, 2:12 p.m.
NER Named-entity recognition batch_69cd9e3ea61081908a5671fc5be9a738 completed April 1, 2026, 10:37 p.m.
NED1 Entity disambiguation (via context triple) batch_69d19f986f48819090376fb5aafb3da2 completed April 4, 2026, 11:32 p.m.
NEDg Description generation batch_69d1a3aaa5cc819086f560eded288070 completed April 4, 2026, 11:50 p.m.
NED2 Entity disambiguation (via description) batch_69d1a44ab2a48190a17d13906ab08129 completed April 4, 2026, 11:52 p.m.
Created at: March 30, 2026, 8:20 p.m.