Triple

T25673801
Position Surface form Disambiguated ID Type / Status
Subject 2018 NCAA Division I men's basketball tournament E643749 entity
Predicate notableUpsetDetail P92801 FINISHED
Object UMBC became the first No. 16 seed to defeat a No. 1 seed in the men's tournament
This entity refers to the historic upset in which the University of Maryland, Baltimore County (UMBC) men's basketball team defeated top-seeded Virginia in the 2018 NCAA Tournament, marking the first-ever victory by a No. 16 seed over a No. 1 seed in men's March Madness history.
 E1689210 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: UMBC became the first No. 16 seed to defeat a No. 1 seed in the men's tournament | Statement: [2018 NCAA Division I men's basketball tournament, notableUpsetDetail, UMBC became the first No. 16 seed to defeat a No. 1 seed in the men's tournament]
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: UMBC became the first No. 16 seed to defeat a No. 1 seed in the men's tournament
Triple: [2018 NCAA Division I men's basketball tournament, notableUpsetDetail, UMBC became the first No. 16 seed to defeat a No. 1 seed in the men's tournament]
Generated description
This entity refers to the historic upset in which the University of Maryland, Baltimore County (UMBC) men's basketball team defeated top-seeded Virginia in the 2018 NCAA Tournament, marking the first-ever victory by a No. 16 seed over a No. 1 seed in men's March Madness history.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: notableUpsetDetail
Context triple: [2018 NCAA Division I men's basketball tournament, notableUpsetDetail, UMBC became the first No. 16 seed to defeat a No. 1 seed in the men's tournament]
  • A. hasNotableUpsets
    Indicates that one entity has achieved surprising or unexpected victories over another entity or entities.
  • B. notableUpsetYear
    Indicates the year in which a notable upset (an unexpected or surprising victory or outcome) occurred.
  • C. notableMatch
    Indicates that there exists a particularly significant or noteworthy match or pairing between the related entities.
  • D. notableRound
    Indicates that an entity is a particularly significant or noteworthy round (e.g., in a competition, tournament, or sequence of events).
  • E. notableGameEvent chosen
    Indicates that a specific game is associated with a significant or noteworthy event in its history or context.
  • F. None of above.

Provenance (6 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_69e77e7f69808190ad27df1006f6037a completed April 21, 2026, 1:41 p.m.
NER Named-entity recognition batch_69fd592e48cc81909d754cc6c4bd99ae completed May 8, 2026, 3:31 a.m.
NED1 Entity disambiguation (via context triple) batch_6a10c15b0a548190b7c365c636bb5e3c completed May 22, 2026, 8:49 p.m.
NEDg Description generation batch_6a10c2489ee48190a35add76cdf94b8b completed May 22, 2026, 8:53 p.m.
NED2 Entity disambiguation (via description) batch_6a10c30975b08190b22c052dab147afe completed May 22, 2026, 8:56 p.m.
PD Predicate disambiguation batch_69fd58b7f9b881909dc099b28d567784 completed May 8, 2026, 3:30 a.m.
Created at: April 21, 2026, 7:33 p.m.