Triple

T846719
Position Surface form Disambiguated ID Type / Status
Subject Kentucky E18292 entity
Predicate eventHeldAt P373 FINISHED
Object Churchill Downs
Churchill Downs is a historic thoroughbred racetrack in Louisville best known as the longtime home of the Kentucky Derby.
E101692 NE FINISHED

How this triple was built (5 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: Churchill Downs | Statement: [Kentucky, eventHeldAt, Churchill Downs]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Churchill Downs
Context triple: [Kentucky, eventHeldAt, Churchill Downs]
  • A. Saratoga Race Course
    Saratoga Race Course is a historic thoroughbred horse racing track in Saratoga Springs, New York, renowned as one of the oldest and most prestigious racetracks in the United States.
  • B. Yonkers Raceway
    Yonkers Raceway is a historic harness racing track and casino complex located in Yonkers, just north of New York City.
  • C. Delaware Park
    Delaware Park is a major historic urban park in Buffalo, New York, designed by Frederick Law Olmsted as part of the city's renowned park and parkway system.
  • D. Kentucky Derby Festival
    The Kentucky Derby Festival is a multi-week celebration featuring parades, fireworks, races, and community events leading up to the annual Kentucky Derby horse race.
  • E. Kentucky Derby
    The Kentucky Derby is a famous annual American Thoroughbred horse race held in Louisville that serves as the first leg of the Triple Crown.
  • 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: Churchill Downs
Triple: [Kentucky, eventHeldAt, Churchill Downs]
Generated description
Churchill Downs is a historic thoroughbred racetrack in Louisville best known as the longtime home of the Kentucky Derby.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Churchill Downs
Target entity description: Churchill Downs is a historic thoroughbred racetrack in Louisville best known as the longtime home of the Kentucky Derby.
  • A. Saratoga Race Course
    Saratoga Race Course is a historic thoroughbred horse racing track in Saratoga Springs, New York, renowned as one of the oldest and most prestigious racetracks in the United States.
  • B. Yonkers Raceway
    Yonkers Raceway is a historic harness racing track and casino complex located in Yonkers, just north of New York City.
  • C. Delaware Park
    Delaware Park is a major historic urban park in Buffalo, New York, designed by Frederick Law Olmsted as part of the city's renowned park and parkway system.
  • D. Kentucky Derby Festival
    The Kentucky Derby Festival is a multi-week celebration featuring parades, fireworks, races, and community events leading up to the annual Kentucky Derby horse race.
  • E. Kentucky Derby
    The Kentucky Derby is a famous annual American Thoroughbred horse race held in Louisville that serves as the first leg of the Triple Crown.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: eventHeldAt
Context triple: [Kentucky, eventHeldAt, Churchill Downs]
  • A. typicallyHeldIn
    Indicates that an event, activity, or process most commonly or usually takes place within a particular location, venue, or context.
  • B. eventIn
    Indicates that an event occurs within, or is situated in, a specific location, context, or larger event.
  • C. sportsEventHosted
    Indicates that a particular sports event was organized, arranged, or held by a specified host entity (such as a venue, organization, or city).
  • D. event
    Indicates that there exists an occurrence or happening involving one or more entities, typically situated in time and possibly space.
  • E. venue chosen
    Indicates the place or location where an event, activity, or interaction takes place.
  • 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_69a4938b04208190b82e1df6b572c548 completed March 1, 2026, 7:29 p.m.
NER Named-entity recognition batch_69a4ac0ba6b4819089c15ed7e1765502 completed March 1, 2026, 9:13 p.m.
NED1 Entity disambiguation (via context triple) batch_69a7a3bb2fa08190b1e8f26ceb04b08c completed March 4, 2026, 3:15 a.m.
NEDg Description generation batch_69a7a5929de48190b01f45fbf19c72dc completed March 4, 2026, 3:22 a.m.
NED2 Entity disambiguation (via description) batch_69a7a63205308190b55b76116c0d5e7c completed March 4, 2026, 3:25 a.m.
PD Predicate disambiguation batch_69a4aa807adc8190ad808a573cf8e923 completed March 1, 2026, 9:07 p.m.
Created at: March 1, 2026, 7:38 p.m.