Plainridge Racecourse
E621506
Plainridge Racecourse is a harness racing track and slot parlor located in Plainville, Massachusetts.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Plainridge Racecourse canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6815758 — 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: Plainridge Racecourse Context triple: [Plainville, Massachusetts, hasRacetrack, Plainridge Racecourse]
-
A.
Fair Grounds Race Course
Fair Grounds Race Course is a historic New Orleans horse racing track that also serves as a major venue for large cultural events and festivals.
-
B.
Ohi Racecourse
Ohi Racecourse is a major horse racing venue in Tokyo known for its nighttime races and events.
-
C.
Meydan Racecourse
Meydan Racecourse is a premier horse racing venue in Dubai, United Arab Emirates, renowned for hosting some of the world's richest and most prestigious thoroughbred racing events.
-
D.
Broadmeadow Racecourse
Broadmeadow Racecourse is a major thoroughbred horse racing venue located in the suburb of Broadmeadow in Newcastle, New South Wales, Australia.
-
E.
Fannie Bay Racecourse
Fannie Bay Racecourse is a prominent thoroughbred horse racing venue in Darwin, Northern Territory, known for hosting major regional racing events such as the Darwin Cup.
- 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: Plainridge Racecourse Target entity description: Plainridge Racecourse is a harness racing track and slot parlor located in Plainville, Massachusetts.
-
A.
Fair Grounds Race Course
Fair Grounds Race Course is a historic New Orleans horse racing track that also serves as a major venue for large cultural events and festivals.
-
B.
Ohi Racecourse
Ohi Racecourse is a major horse racing venue in Tokyo known for its nighttime races and events.
-
C.
Meydan Racecourse
Meydan Racecourse is a premier horse racing venue in Dubai, United Arab Emirates, renowned for hosting some of the world's richest and most prestigious thoroughbred racing events.
-
D.
Broadmeadow Racecourse
Broadmeadow Racecourse is a major thoroughbred horse racing venue located in the suburb of Broadmeadow in Newcastle, New South Wales, Australia.
-
E.
Fannie Bay Racecourse
Fannie Bay Racecourse is a prominent thoroughbred horse racing venue in Darwin, Northern Territory, known for hosting major regional racing events such as the Darwin Cup.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
gambling venue
ⓘ
harness racing track ⓘ racino ⓘ sports venue ⓘ |
| alsoKnownAs | Plainridge Park Casino ⓘ |
| category |
Buildings and structures in Norfolk County, Massachusetts
ⓘ
Casinos in Massachusetts ⓘ Horse racing venues in Massachusetts ⓘ Tourist attractions in Norfolk County, Massachusetts ⓘ |
| city |
Plainville
ⓘ
linked to:
Plainville, Massachusetts
|
| country |
United States
ⓘ
linked to:
United States of America
|
| county | Norfolk County, Massachusetts ⓘ |
| hasFacilityType | slot parlor ⓘ |
| hasFeature |
food and beverage outlets
ⓘ
live harness racing ⓘ parking facilities ⓘ simulcast wagering ⓘ |
| hasGamingType |
electronic table games
ⓘ
slot machines ⓘ |
| hasLicenseType | slots-only casino license ⓘ |
| locatedIn | Plainville, Massachusetts ⓘ |
| nearCity |
Boston, Massachusetts
ⓘ
Providence, Rhode Island ⓘ
linked to:
Providence, Rhode Island, United States
|
| openingDate | 1999 ⓘ |
| operator |
Penn National Gaming
ⓘ
linked to:
PENN Entertainment
|
| owner |
Penn National Gaming
ⓘ
linked to:
PENN Entertainment
|
| postalCode | 02762 ⓘ |
| raceType | harness racing ⓘ |
| regulator | Massachusetts Gaming Commission ⓘ |
| state | Massachusetts ⓘ |
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: Plainridge Racecourse Description of subject: Plainridge Racecourse is a harness racing track and slot parlor located in Plainville, Massachusetts.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.