Triple

T4642775
Position Surface form Disambiguated ID Type / Status
Subject Churchill Downs E101692 entity
Predicate hostsEvent P613 FINISHED
Object Stephen Foster Handicap
The Stephen Foster Handicap is a prominent Grade I American Thoroughbred horse race for older horses, traditionally run at Churchill Downs in Louisville, Kentucky.
 E404695 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: Stephen Foster Handicap | Statement: [Churchill Downs, hostsEvent, Stephen Foster Handicap]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Stephen Foster Handicap
Context triple: [Churchill Downs, hostsEvent, Stephen Foster Handicap]
  • A. Florida Derby
    The Florida Derby is a soccer rivalry match between Orlando City SC and their in-state Major League Soccer opponent, highlighting regional bragging rights in Florida.
  • B. Preakness Stakes
    The Preakness Stakes is a prestigious American Thoroughbred horse race held annually at Pimlico Race Course in Baltimore and serves as the second jewel of the Triple Crown.
  • C. Eclipse Stakes
    Eclipse Stakes is a prestigious Group 1 flat horse race in Great Britain for three-year-olds and up, run annually over 1¼ miles at Sandown Park.
  • D. Whitney Stakes
    Whitney Stakes is a prestigious Grade I American Thoroughbred horse race held annually at Saratoga Race Course in New York.
  • E. Texas Derby
    Texas Derby is an intense Major League Soccer rivalry match between FC Dallas and the Houston Dynamo, contested for regional bragging rights in Texas.
  • 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: Stephen Foster Handicap
Triple: [Churchill Downs, hostsEvent, Stephen Foster Handicap]
Generated description
The Stephen Foster Handicap is a prominent Grade I American Thoroughbred horse race for older horses, traditionally run at Churchill Downs in Louisville, Kentucky.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Stephen Foster Handicap
Target entity description: The Stephen Foster Handicap is a prominent Grade I American Thoroughbred horse race for older horses, traditionally run at Churchill Downs in Louisville, Kentucky.
  • A. Florida Derby
    The Florida Derby is a soccer rivalry match between Orlando City SC and their in-state Major League Soccer opponent, highlighting regional bragging rights in Florida.
  • B. Preakness Stakes
    The Preakness Stakes is a prestigious American Thoroughbred horse race held annually at Pimlico Race Course in Baltimore and serves as the second jewel of the Triple Crown.
  • C. Eclipse Stakes
    Eclipse Stakes is a prestigious Group 1 flat horse race in Great Britain for three-year-olds and up, run annually over 1¼ miles at Sandown Park.
  • D. Whitney Stakes chosen
    Whitney Stakes is a prestigious Grade I American Thoroughbred horse race held annually at Saratoga Race Course in New York.
  • E. Texas Derby
    Texas Derby is an intense Major League Soccer rivalry match between FC Dallas and the Houston Dynamo, contested for regional bragging rights in Texas.
  • F. None of above.

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_69bd43d3bc7c81908f81fcf380476b0f completed March 20, 2026, 12:55 p.m.
NER Named-entity recognition batch_69bd5a93047c8190990c94fd5a57c867 completed March 20, 2026, 2:32 p.m.
NED1 Entity disambiguation (via context triple) batch_69bdfad80f14819097e022c9d9da17eb completed March 21, 2026, 1:56 a.m.
NEDg Description generation batch_69bdfdd7d3b881909dd8b362802005d8 completed March 21, 2026, 2:09 a.m.
NED2 Entity disambiguation (via description) batch_69bdfe48ed088190ba1de18bba4e9977 completed March 21, 2026, 2:11 a.m.
Created at: March 20, 2026, 1:14 p.m.