Triple
T18762272
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Churchill Downs Incorporated |
E458800
|
entity |
| Predicate | hasSubsidiary |
P254
|
FINISHED |
| Object |
TwinSpires
TwinSpires is an online wagering platform best known for offering legal horse race betting and related gaming services in the United States.
|
E1342145
|
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: TwinSpires | Statement: [Churchill Downs Incorporated, hasSubsidiary, TwinSpires]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: TwinSpires Context triple: [Churchill Downs Incorporated, hasSubsidiary, TwinSpires]
-
A.
Churchill Downs
Churchill Downs is a historic thoroughbred racetrack in Louisville best known as the longtime home of the Kentucky Derby.
-
B.
Oaklawn Racing Casino Resort
Oaklawn Racing Casino Resort is a historic thoroughbred racetrack and casino complex in Hot Springs, Arkansas, known for its premier horse racing events and gaming entertainment.
-
C.
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.
-
D.
Springdale Race Course
Springdale Race Course is a prominent American steeplechase horse racing venue located in Camden, South Carolina.
-
E.
BetRivers
BetRivers is an online sports betting and casino brand operated by Rush Street Interactive and linked to the Rivers Casino properties in the United States.
- 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: TwinSpires Triple: [Churchill Downs Incorporated, hasSubsidiary, TwinSpires]
Generated description
TwinSpires is an online wagering platform best known for offering legal horse race betting and related gaming services in the United States.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: TwinSpires Target entity description: TwinSpires is an online wagering platform best known for offering legal horse race betting and related gaming services in the United States.
-
A.
Churchill Downs
Churchill Downs is a historic thoroughbred racetrack in Louisville best known as the longtime home of the Kentucky Derby.
-
B.
Oaklawn Racing Casino Resort
Oaklawn Racing Casino Resort is a historic thoroughbred racetrack and casino complex in Hot Springs, Arkansas, known for its premier horse racing events and gaming entertainment.
-
C.
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.
-
D.
Springdale Race Course
Springdale Race Course is a prominent American steeplechase horse racing venue located in Camden, South Carolina.
-
E.
BetRivers
BetRivers is an online sports betting and casino brand operated by Rush Street Interactive and linked to the Rivers Casino properties in the United States.
- F. None of above. chosen
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_69d8d395dba0819087568404508590cb |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e58d7fd5008190823bc7e37fdd6669 |
completed | April 20, 2026, 2:20 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a053d3e4f048190b72ec4ed1dec6c55 |
completed | May 14, 2026, 3:10 a.m. |
| NEDg | Description generation | batch_6a053f3c45308190a87170c5d54ff3cd |
completed | May 14, 2026, 3:19 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a053fd358a08190a1cd97c02f0e814e |
completed | May 14, 2026, 3:21 a.m. |
Created at: April 10, 2026, 11:52 a.m.