September Stakes
E536394
September Stakes is a prominent flat horse race in Great Britain, run annually at Kempton Park Racecourse and typically attracting high-caliber middle-distance runners.
All labels observed (1)
| Label | Occurrences |
|---|---|
| September Stakes canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5588244 — 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: September Stakes Context triple: [Kempton Park Racecourse, hasNotableRace, September Stakes]
-
A.
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.
-
B.
Nassau Stakes
The Nassau Stakes is a prestigious Group 1 flat horse race in Great Britain for fillies and mares, run annually at Goodwood Racecourse over a middle distance.
-
C.
Travers Stakes
The Travers Stakes is one of the oldest and most prestigious Grade I thoroughbred horse races in the United States, often called the "Mid-Summer Derby" for three-year-olds.
-
D.
Whitney Stakes
Whitney Stakes is a prestigious Grade I American Thoroughbred horse race held annually at Saratoga Race Course in New York.
-
E.
Derby Stakes
The Derby Stakes, commonly known as the Epsom Derby, is one of the most prestigious flat horse races in the world and a cornerstone of British thoroughbred racing.
- 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: September Stakes Target entity description: September Stakes is a prominent flat horse race in Great Britain, run annually at Kempton Park Racecourse and typically attracting high-caliber middle-distance runners.
-
A.
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.
-
B.
Nassau Stakes
The Nassau Stakes is a prestigious Group 1 flat horse race in Great Britain for fillies and mares, run annually at Goodwood Racecourse over a middle distance.
-
C.
Travers Stakes
The Travers Stakes is one of the oldest and most prestigious Grade I thoroughbred horse races in the United States, often called the "Mid-Summer Derby" for three-year-olds.
-
D.
Whitney Stakes
Whitney Stakes is a prestigious Grade I American Thoroughbred horse race held annually at Saratoga Race Course in New York.
-
E.
Derby Stakes
The Derby Stakes, commonly known as the Epsom Derby, is one of the most prestigious flat horse races in the world and a cornerstone of British thoroughbred racing.
- F. None of above. chosen
Statements (28)
| Predicate | Object |
|---|---|
| instanceOf |
Thoroughbred horse race
ⓘ
flat horse race ⓘ |
| approximateInaugurationPeriod | 20th century ⓘ |
| attracts | middle-distance runners ⓘ |
| country | Great Britain NERFINISHED ⓘ |
| distance |
about 1 mile 4 furlongs
ⓘ
approximately 2,400 metres ⓘ |
| frequency | annual ⓘ |
| genderEligibility | open to colts, fillies, and mares ⓘ |
| hasRaceTypeRestriction | Thoroughbred ⓘ |
| heldOn | all-weather track ⓘ |
| location | Sunbury-on-Thames NERFINISHED ⓘ |
| notableWinner |
Enable
NERFINISHED
ⓘ
Postponed NERFINISHED ⓘ Prince Bishop NERFINISHED ⓘ |
| organisedBy | Kempton Park Racecourse NERFINISHED ⓘ |
| partOf | British flat racing calendar ⓘ |
| qualification | three-years-old and up ⓘ |
| raceCategory | middle-distance race ⓘ |
| racecourse | Kempton Park Racecourse NERFINISHED ⓘ |
| raceType | Flat racing ⓘ |
| region | England ⓘ |
| status | Listed race ⓘ |
| surface | Polytrack NERFINISHED ⓘ |
| timingWithinSeason | late flat season ⓘ |
| trackConfiguration | right-handed ⓘ |
| typicalMonthRun | September ⓘ |
| usedAs | trial for other middle-distance races ⓘ |
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: September Stakes Description of subject: September Stakes is a prominent flat horse race in Great Britain, run annually at Kempton Park Racecourse and typically attracting high-caliber middle-distance runners.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.