Cal Expo racetrack
E1031276
Cal Expo racetrack is a horse racing venue in Sacramento, California, best known for hosting harness racing events and the annual California State Fair races.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cal Expo racetrack canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13267460 — 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: Cal Expo racetrack Context triple: [Cal Expo grounds, hasFacility, Cal Expo racetrack]
-
A.
Atco Raceway
Atco Raceway is a historic drag racing track in Atco, New Jersey, known for hosting NHRA-sanctioned events and regional motorsports competitions.
-
B.
Aqueduct Racetrack
Aqueduct Racetrack is a historic thoroughbred horse racing track in South Ozone Park, Queens, New York City, known for hosting major races including the Wood Memorial.
-
C.
Los Alamitos Race Course
Los Alamitos Race Course is a prominent horse racing track in Southern California known especially for its Quarter Horse racing events.
-
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.
Route 66 Raceway
Route 66 Raceway is a motorsports complex in Joliet, Illinois, best known for its NHRA-sanctioned drag strip and major racing events.
- 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: Cal Expo racetrack Target entity description: Cal Expo racetrack is a horse racing venue in Sacramento, California, best known for hosting harness racing events and the annual California State Fair races.
-
A.
Atco Raceway
Atco Raceway is a historic drag racing track in Atco, New Jersey, known for hosting NHRA-sanctioned events and regional motorsports competitions.
-
B.
Aqueduct Racetrack
Aqueduct Racetrack is a historic thoroughbred horse racing track in South Ozone Park, Queens, New York City, known for hosting major races including the Wood Memorial.
-
C.
Los Alamitos Race Course
Los Alamitos Race Course is a prominent horse racing track in Southern California known especially for its Quarter Horse racing events.
-
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.
Route 66 Raceway
Route 66 Raceway is a motorsports complex in Joliet, Illinois, best known for its NHRA-sanctioned drag strip and major racing events.
- F. None of above. chosen
Statements (33)
| Predicate | Object |
|---|---|
| instanceOf |
harness racing track
ⓘ
horse racing track ⓘ sports venue ⓘ |
| adjacentTo | Cal Expo fairgrounds NERFINISHED ⓘ |
| alsoKnownAs | Cal Expo Harness NERFINISHED ⓘ |
| category |
Harness racing venues in the United States
ⓘ
Horse racing venues in California ⓘ Sports venues in Sacramento, California ⓘ |
| city | Sacramento NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| hasBettingFacilities | yes ⓘ |
| hasGrandstand | yes ⓘ |
| hasSurface | dirt ⓘ |
| hosts | California State Fair horse races ⓘ |
| knownFor |
California State Fair horse races
NERFINISHED
ⓘ
harness racing ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Sacramento, California NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| openedForRacing | 20th century ⓘ |
| operatedBy | California Exposition and State Fair NERFINISHED ⓘ |
| owner | California Exposition and State Fair NERFINISHED ⓘ |
| partOf | California Exposition and State Fair grounds NERFINISHED ⓘ |
| primaryRacingSeason | winter-spring GENERATED ⓘ |
| regionServed | Northern California ⓘ |
| sport |
harness racing
ⓘ
horse racing ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
| trackType | oval ⓘ |
| transportationAccess |
near Capital City Freeway
NERFINISHED
ⓘ
near Interstate 80 ⓘ |
| usedFor |
pari-mutuel wagering
ⓘ
standardbred racing ⓘ |
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: Cal Expo racetrack Description of subject: Cal Expo racetrack is a horse racing venue in Sacramento, California, best known for hosting harness racing events and the annual California State Fair races.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.