Triple
T22811176
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Arlington Park |
E564678
|
entity |
| Predicate | ownedBy |
P347
|
FINISHED |
| Object | Churchill Downs Incorporated |
—
|
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 Incorporated | Statement: [Arlington Park, ownedBy, Churchill Downs Incorporated]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Churchill Downs Incorporated Context triple: [Arlington Park, ownedBy, Churchill Downs Incorporated]
-
A.
Churchill Downs Incorporated
chosen
Churchill Downs Incorporated is an American gaming and racing company best known as the owner and operator of the Churchill Downs racetrack, home of the Kentucky Derby.
-
B.
Churchill Downs
Churchill Downs is a historic thoroughbred racetrack in Louisville best known as the longtime home of the Kentucky Derby.
-
C.
Breeders' Cup Limited
Breeders' Cup Limited is the company that oversees and manages the annual Breeders' Cup World Championships, one of the premier international events in Thoroughbred horse racing.
-
D.
Boyd Gaming
Boyd Gaming is a major American gaming and hospitality company that owns and operates numerous casinos, hotels, and entertainment properties across the United States.
-
E.
MGM Resorts International
MGM Resorts International is a major global hospitality and entertainment company known for operating numerous high-profile casino resorts and hotels, particularly on the Las Vegas Strip.
- 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_69e245823f4c8190ade442cdcc2c224a |
completed | April 17, 2026, 2:36 p.m. |
| NER | Named-entity recognition | batch_69f17d60186881908f6cb609c536dc91 |
completed | April 29, 2026, 3:39 a.m. |
Created at: April 17, 2026, 3:32 p.m.