Triple

T19917630
Position Surface form Disambiguated ID Type / Status
Subject U.S. Triple Crown E478704 entity
Predicate preaknessStakesLocation P137808 FINISHED
Object Pimlico Race Course, Baltimore, Maryland — NE NERFINISHED

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: Pimlico Race Course, Baltimore, Maryland | Statement: [U.S. Triple Crown, preaknessStakesLocation, Pimlico Race Course, Baltimore, Maryland]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Pimlico Race Course, Baltimore, Maryland
Context triple: [U.S. Triple Crown, preaknessStakesLocation, Pimlico Race Course, Baltimore, Maryland]
  • A. Pimlico Race Course chosen
    Pimlico Race Course is a historic thoroughbred horse racing track in Baltimore, Maryland, best known as the longtime home of the Preakness Stakes, the second jewel of the U.S. Triple Crown.
  • B. Keeneland Race Course
    Keeneland Race Course is a historic Thoroughbred horse racing track and auction house in Lexington, Kentucky, renowned for its prestigious meets and world-class horse sales.
  • C. Laurel Park race track
    Laurel Park race track is a prominent thoroughbred horse racing venue in Maryland known for hosting major regional races and events.
  • D. Pimlico
    Pimlico is a central London residential district in the City of Westminster, known for its Regency architecture, garden squares, and proximity to the River Thames.
  • E. Arlington International Racecourse
    Arlington International Racecourse was a renowned thoroughbred horse racing track and entertainment venue located in Arlington Heights, Illinois.
  • 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: preaknessStakesLocation
Context triple: [U.S. Triple Crown, preaknessStakesLocation, Pimlico Race Course, Baltimore, Maryland]
  • A. breedersCupVenue
    Indicates the venue or location where a particular Breeders' Cup event is held.
  • B. BelmontStakesTime
    Indicates the time at which the Belmont Stakes event takes place.
  • C. notableRaceTrackDepicted
    Indicates that a work or representation depicts a race track that is considered notable or significant.
  • D. KentuckyDerbyTime
    Indicates that a specified time value corresponds to when the Kentucky Derby race takes place or took place.
  • E. Indianapolis500Location
    Indicates the location where the Indianapolis 500 event takes place.
  • F. None of above. chosen

Provenance (4 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_69d8e521855c8190b41871700afc8d6a completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e65995bd60819097cfad003dd29731 completed April 20, 2026, 4:51 p.m.
PD Predicate disambiguation batch_69e537f070b481908958e0e5911dcdc1 completed April 19, 2026, 8:15 p.m.
PDg Predicate description generation batch_69e543c136b081909cab9394b958390a completed April 19, 2026, 9:06 p.m.
Created at: April 10, 2026, 1:53 p.m.