Triple

T7943942
Position Surface form Disambiguated ID Type / Status
Subject 1978 UEFA European Under-21 Championship E184452 entity
Predicate firstSeasonOf P79953 FINISHED
Object UEFA European Under-21 Championship era E35057 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: UEFA European Under-21 Championship era | Statement: [1978 UEFA European Under-21 Championship, firstSeasonOf, UEFA European Under-21 Championship era]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: UEFA European Under-21 Championship era
Context triple: [1978 UEFA European Under-21 Championship, firstSeasonOf, UEFA European Under-21 Championship era]
  • A. UEFA European Under-21 Championship chosen
    The UEFA European Under-21 Championship is a major international football tournament for European national teams composed of players under the age of 21.
  • B. UEFA European Under-17 Championship
    The UEFA European Under-17 Championship is a premier annual youth football tournament in Europe that showcases national teams composed of players under the age of 17.
  • C. UEFA European Under-19 Championship
    The UEFA European Under-19 Championship is an annual international youth football tournament for European national teams featuring players under the age of 19.
  • D. UEFA European Under-18 Championship
    The UEFA European Under-18 Championship was a former European youth football tournament organized by UEFA for national teams composed of players under the age of 18.
  • E. UEFA youth competitions
    UEFA youth competitions are a series of European football tournaments organized by UEFA for national teams and clubs in various youth age categories, serving as key platforms for developing young talent.
  • 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: firstSeasonOf
Context triple: [1978 UEFA European Under-21 Championship, firstSeasonOf, UEFA European Under-21 Championship era]
  • A. firstEditionSeason
    Indicates the season or time period during which something (such as a work or product) was first published, released, or issued in its original edition.
  • B. firstSeasonBasedOn
    Indicates that the first season of a series is based on, adapted from, or derived from another work or source.
  • C. firstAiredInSeason
    Indicates the specific season of a series in which an episode or content item was originally first broadcast or released.
  • D. firstEpisode
    Indicates that one entity is the initial or earliest episode in the series or sequence associated with another entity.
  • E. firstSeasonDetermined
    Indicates that the initial season associated with an entity has been identified or established.
  • 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_69ca8291c2008190b1b8832c87814bcf completed March 30, 2026, 2:02 p.m.
NER Named-entity recognition batch_69cb3b0e84448190a7e8e0749776a592 completed March 31, 2026, 3:10 a.m.
NED1 Entity disambiguation (via context triple) batch_69cb5c175bd88190bdc0303bc0df90d8 completed March 31, 2026, 5:31 a.m.
PD Predicate disambiguation batch_69cae93526d081909303265bf60419fd completed March 30, 2026, 9:20 p.m.
PDg Predicate description generation batch_69caf788db1c8190839523e7777961d6 completed March 30, 2026, 10:22 p.m.
Created at: March 30, 2026, 5:09 p.m.