Blue Grass Stakes
E824294
The Blue Grass Stakes is a prominent American Grade I Thoroughbred horse race for three-year-olds, traditionally serving as a key prep race for the Kentucky Derby.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Blue Grass Stakes canonical | 2 |
| 1997 Blue Grass Stakes (G1) | 1 |
| 2021 Blue Grass Stakes | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9856433 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Blue Grass Stakes Context triple: [Keeneland Race Course, hasRace, Blue Grass Stakes]
-
A.
Remsen Stakes
The Remsen Stakes is a prominent American Grade II thoroughbred horse race for two-year-olds, traditionally serving as an early stepping stone on the road to the Kentucky Derby.
-
B.
Lecomte Stakes
The Lecomte Stakes is a graded American Thoroughbred horse race for three-year-olds run annually at Fair Grounds Race Course in New Orleans, often serving as an early prep for the Kentucky Derby.
-
C.
Wood Memorial Stakes
The Wood Memorial Stakes is a prominent American Grade II Thoroughbred horse race for three-year-olds held annually in early spring as a key prep race for the Kentucky Derby.
-
D.
Secretariat Stakes
The Secretariat Stakes is a prominent American Thoroughbred horse race for three-year-olds, named in honor of the legendary racehorse Secretariat.
-
E.
Risen Star Stakes
The Risen Star Stakes is a prominent American Thoroughbred horse race for three-year-olds that serves as an important prep race on the road to the Kentucky Derby.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Blue Grass Stakes Target entity description: The Blue Grass Stakes is a prominent American Grade I Thoroughbred horse race for three-year-olds, traditionally serving as a key prep race for the Kentucky Derby.
-
A.
Remsen Stakes
The Remsen Stakes is a prominent American Grade II thoroughbred horse race for two-year-olds, traditionally serving as an early stepping stone on the road to the Kentucky Derby.
-
B.
Lecomte Stakes
The Lecomte Stakes is a graded American Thoroughbred horse race for three-year-olds run annually at Fair Grounds Race Course in New Orleans, often serving as an early prep for the Kentucky Derby.
-
C.
Wood Memorial Stakes
The Wood Memorial Stakes is a prominent American Grade II Thoroughbred horse race for three-year-olds held annually in early spring as a key prep race for the Kentucky Derby.
-
D.
Secretariat Stakes
The Secretariat Stakes is a prominent American Thoroughbred horse race for three-year-olds, named in honor of the legendary racehorse Secretariat.
-
E.
Risen Star Stakes
The Risen Star Stakes is a prominent American Thoroughbred horse race for three-year-olds that serves as an important prep race on the road to the Kentucky Derby.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf | Thoroughbred horse race ⓘ |
| ageRestriction | 3 years old ⓘ |
| approximatePurse | $1,000,000 (recent years) ⓘ |
| breed | Thoroughbred ⓘ |
| city | Lexington, Kentucky ⓘ |
| class | Grade I ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| distance |
1⅛ miles
ⓘ
9 furlongs ⓘ |
| eligibilityCondition | Assigned weights ⓘ |
| hasAssociationWith | Road to the Kentucky Derby points system ⓘ |
| hasAudienceType | Horse racing fans ⓘ |
| hasHistoricalSignificance | Produced multiple Kentucky Derby winners ⓘ |
| hasMinimumAgeOfHorses | 3 ⓘ |
| hasRaceClass | Stakes race ⓘ |
| hasRacingSurfaceHistory |
Dirt (current)
ⓘ
Polytrack (historical) ⓘ
linked to:
Polytrack
|
| hasRegionType |
Bluegrass region
ⓘ
linked to:
Kentucky Bluegrass region
|
| hasVenueType | Racecourse ⓘ |
| inaugurated | 1911 ⓘ |
| isAnnual | true ⓘ |
| isHeldAt |
Keeneland spring meet
ⓘ
linked to:
Keeneland Race Course
|
| isImportantFor | Kentucky Derby betting markets ⓘ |
| isMajorPrepFor | Kentucky Derby ⓘ |
| isOpenTo | Registered Thoroughbreds ⓘ |
| languageOfOfficialInformation | English ⓘ |
| location | Keeneland Race Course ⓘ |
| namedAfter |
Bluegrass region of Kentucky
ⓘ
linked to:
Kentucky Bluegrass region
|
| notableRole | Key indicator of Kentucky Derby contenders ⓘ |
| organizer |
Keeneland Association
ⓘ
linked to:
Keeneland Race Course
|
| partOf |
American Triple Crown prep season
ⓘ
linked to:
U.S. Triple Crown
|
| qualification | Three-year-olds ⓘ |
| raceCategory | North American Grade I race ⓘ |
| raceClassificationBody | American Graded Stakes Committee ⓘ |
| raceGrade | Grade I ⓘ |
| raceType | Flat racing ⓘ |
| region | North America ⓘ |
| sexRestriction | Open to colts, geldings, and fillies ⓘ |
| sport | Horse racing ⓘ |
| state | Kentucky ⓘ |
| surface | Dirt ⓘ |
| timingRelativeToDerby | Held weeks before Kentucky Derby ⓘ |
| trackDirection | Left-handed ⓘ |
| typicalMonthHeld | April ⓘ |
| typicalTrack | Oval track ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Blue Grass Stakes Description of subject: The Blue Grass Stakes is a prominent American Grade I Thoroughbred horse race for three-year-olds, traditionally serving as a key prep race for the Kentucky Derby.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Blue Grass Stakes
linked to: Blue Grass Stakes