Triple

T1622272
Position Surface form Disambiguated ID Type / Status
Subject UEFA European Under-21 Championship E35057 entity
Predicate firstSeason P61 FINISHED
Object 1978 UEFA European Under-21 Championship
The 1978 UEFA European Under-21 Championship was the inaugural edition of UEFA's continental tournament for national teams composed of players under 21 years of age.
E184452 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: 1978 UEFA European Under-21 Championship | Statement: [UEFA European Under-21 Championship, firstSeason, 1978 UEFA European Under-21 Championship]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: 1978 UEFA European Under-21 Championship
Context triple: [UEFA European Under-21 Championship, firstSeason, 1978 UEFA European Under-21 Championship]
  • A. 1984 UEFA European Championship
    The 1984 UEFA European Championship was the seventh edition of Europe's premier national team football tournament, held in France and won by the host nation.
  • B. UEFA Euro 1976
    UEFA Euro 1976 was the fifth edition of the UEFA European Championship, a major international football tournament held in Yugoslavia and famously decided by a penalty shoot-out in the final.
  • C. 1968 UEFA European Championship
    The 1968 UEFA European Championship was the third edition of Europe's premier national team football tournament, held in Italy and won by the host nation.
  • D. 1983 FIFA World Youth Championship
    The 1983 FIFA World Youth Championship was the fourth edition of FIFA’s global under-20 football tournament, bringing together youth national teams from around the world to compete for the junior world title.
  • E. UEFA Euro 1992
    UEFA Euro 1992 was the ninth edition of the UEFA European Championship, a major international football tournament held in Sweden that notably saw Denmark win the title after a late call-up to the competition.
  • 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: 1978 UEFA European Under-21 Championship
Triple: [UEFA European Under-21 Championship, firstSeason, 1978 UEFA European Under-21 Championship]
Generated description
The 1978 UEFA European Under-21 Championship was the inaugural edition of UEFA's continental tournament for national teams composed of players under 21 years of age.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: 1978 UEFA European Under-21 Championship
Target entity description: The 1978 UEFA European Under-21 Championship was the inaugural edition of UEFA's continental tournament for national teams composed of players under 21 years of age.
  • A. 1984 UEFA European Championship
    The 1984 UEFA European Championship was the seventh edition of Europe's premier national team football tournament, held in France and won by the host nation.
  • B. UEFA Euro 1976
    UEFA Euro 1976 was the fifth edition of the UEFA European Championship, a major international football tournament held in Yugoslavia and famously decided by a penalty shoot-out in the final.
  • C. 1968 UEFA European Championship
    The 1968 UEFA European Championship was the third edition of Europe's premier national team football tournament, held in Italy and won by the host nation.
  • D. 1983 FIFA World Youth Championship
    The 1983 FIFA World Youth Championship was the fourth edition of FIFA’s global under-20 football tournament, bringing together youth national teams from around the world to compete for the junior world title.
  • E. UEFA Euro 1992
    UEFA Euro 1992 was the ninth edition of the UEFA European Championship, a major international football tournament held in Sweden that notably saw Denmark win the title after a late call-up to the competition.
  • 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_69a886023194819080a3fccd6e325d0e completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69a909b1fc788190b38c0aa4ccc2e953 completed March 5, 2026, 4:42 a.m.
NED1 Entity disambiguation (via context triple) batch_69ad58c9ed4c8190a546ec4977f60695 completed March 8, 2026, 11:08 a.m.
NEDg Description generation batch_69ad5a0a88ac819096598917c2c9de48 completed March 8, 2026, 11:14 a.m.
NED2 Entity disambiguation (via description) batch_69ad5a85071c8190bab5cefcd918bb8d completed March 8, 2026, 11:16 a.m.
Created at: March 4, 2026, 7:28 p.m.