Los Alamitos Race Course
E785378
Los Alamitos Race Course is a prominent horse racing track in Southern California known especially for its Quarter Horse racing events.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Los Alamitos Race Course canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T9211607 — 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: Los Alamitos Race Course Context triple: [Cypress, California, hasFacility, Los Alamitos Race Course]
-
A.
Santa Anita Park
Santa Anita Park is a historic thoroughbred racetrack in Arcadia, California, renowned for hosting major horse racing events such as the Santa Anita Derby and multiple Breeders’ Cup championships.
-
B.
Santa Anita
Santa Anita is a Mexico City Metro station that serves as a transfer point between Line 4 and Line 8 in the southeastern part of the city.
-
C.
Arlington International Racecourse
Arlington International Racecourse was a renowned thoroughbred horse racing track and entertainment venue located in Arlington Heights, Illinois.
-
D.
Roosevelt Raceway
Roosevelt Raceway was a prominent harness racing track on Long Island, New York, known for hosting major standardbred events and pioneering innovations in night racing.
-
E.
Los Angeles Stadium at Hollywood Park
Los Angeles Stadium at Hollywood Park was the original proposed name for what became SoFi Stadium, the large multi-purpose sports and entertainment venue in Inglewood, California.
- 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: Los Alamitos Race Course Target entity description: Los Alamitos Race Course is a prominent horse racing track in Southern California known especially for its Quarter Horse racing events.
-
A.
Santa Anita Park
Santa Anita Park is a historic thoroughbred racetrack in Arcadia, California, renowned for hosting major horse racing events such as the Santa Anita Derby and multiple Breeders’ Cup championships.
-
B.
Santa Anita
Santa Anita is a Mexico City Metro station that serves as a transfer point between Line 4 and Line 8 in the southeastern part of the city.
-
C.
Arlington International Racecourse
Arlington International Racecourse was a renowned thoroughbred horse racing track and entertainment venue located in Arlington Heights, Illinois.
-
D.
Roosevelt Raceway
Roosevelt Raceway was a prominent harness racing track on Long Island, New York, known for hosting major standardbred events and pioneering innovations in night racing.
-
E.
Los Angeles Stadium at Hollywood Park
Los Angeles Stadium at Hollywood Park was the original proposed name for what became SoFi Stadium, the large multi-purpose sports and entertainment venue in Inglewood, California.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
horse racing track
ⓘ
sports venue ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| hasAbbreviation | Los Al NERFINISHED ⓘ |
| hasBetting | pari-mutuel wagering ⓘ |
| hasFeature |
clubhouse
ⓘ
grandstand seating ⓘ infield tote board ⓘ stable area ⓘ trackside dining ⓘ training track ⓘ |
| hasGrandstand | yes ⓘ |
| hasNightRacing | yes ⓘ |
| hasNotableDistance |
350 yards
ⓘ
400 yards ⓘ 440 yards ⓘ |
| hasSimulcastWagering | yes ⓘ |
| hasStablingCapacity | over 1000 horses ⓘ |
| hasSurface | dirt track ⓘ |
| hasTrackType | oval track ⓘ |
| hasWebsite | https://www.losalamitos.com/ ⓘ |
| hosts |
live race meets
ⓘ
simulcast race events ⓘ |
| hostsRace |
Champion of Champions
NERFINISHED
ⓘ
Golden State Million Futurity NERFINISHED ⓘ Los Alamitos Derby (Thoroughbred) NERFINISHED ⓘ Los Alamitos Futurity (Thoroughbred) NERFINISHED ⓘ Los Alamitos Super Derby NERFINISHED ⓘ Los Alamitos Two Million Futurity NERFINISHED ⓘ Los Alamitos Winter Championship NERFINISHED ⓘ Los Alamitos Winter Derby NERFINISHED ⓘ |
| knownFor |
Quarter Horse racing
ⓘ
Thoroughbred racing ⓘ |
| languageOfWorkOrName | English ⓘ |
| locatedIn |
Cypress, California
NERFINISHED
ⓘ
Orange County, California ⓘ Southern California ⓘ |
| locatedInTimeZone | Pacific Time Zone ⓘ |
| near | Los Alamitos, California NERFINISHED ⓘ |
| opened | 1951 ⓘ |
| operator | Los Alamitos Racing Association NERFINISHED ⓘ |
| owner | Edward J. “Doc” Allred NERFINISHED ⓘ |
| partOf | California horse racing circuit ⓘ |
| regulatingBody | California Horse Racing Board NERFINISHED ⓘ |
| servesAs | major center for Quarter Horse racing in the United States ⓘ |
| specializesIn | Quarter Horse sprint 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: Los Alamitos Race Course Description of subject: Los Alamitos Race Course is a prominent horse racing track in Southern California known especially for its Quarter Horse racing events.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.