Triple
T18762291
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Churchill Downs Incorporated |
E458800
|
entity |
| Predicate | hasMainFacility |
P24002
|
FINISHED |
| Object | Churchill Downs racetrack |
—
|
NE NERFINISHED |
How this triple was built (2 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 racetrack | Statement: [Churchill Downs Incorporated, hasMainFacility, Churchill Downs racetrack]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Churchill Downs racetrack Context triple: [Churchill Downs Incorporated, hasMainFacility, Churchill Downs racetrack]
-
A.
Churchill Downs
chosen
Churchill Downs is a historic thoroughbred racetrack in Louisville best known as the longtime home of the Kentucky Derby.
-
B.
Pimlico Race Course
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.
-
C.
Arlington International Racecourse
Arlington International Racecourse was a renowned thoroughbred horse racing track and entertainment venue located in Arlington Heights, Illinois.
-
D.
Monmouth Park Racetrack
Monmouth Park Racetrack is a historic thoroughbred horse racing venue located in Oceanport, New Jersey, known for hosting major summer racing events.
-
E.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d8d395dba0819087568404508590cb |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e58d7fd5008190823bc7e37fdd6669 |
completed | April 20, 2026, 2:20 a.m. |
Created at: April 10, 2026, 11:52 a.m.