San Mateo County Fairgrounds
E808852
San Mateo County Fairgrounds is a large multi-use event complex in San Mateo, California, best known for hosting the annual San Mateo County Fair along with trade shows, festivals, and community events.
All labels observed (1)
| Label | Occurrences |
|---|---|
| San Mateo County Fairgrounds canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9569138 — 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: San Mateo County Fairgrounds Context triple: [San Mateo County Event Center, hasAlternativeName, San Mateo County Fairgrounds]
-
A.
Alameda County Fairgrounds
Alameda County Fairgrounds is a large multi-purpose event venue in Pleasanton, California, known for hosting the annual Alameda County Fair and a wide variety of festivals, exhibitions, and community events.
-
B.
Monterey County Fairgrounds
Monterey County Fairgrounds is a historic event and entertainment venue in Monterey, California, best known for hosting iconic music festivals and community fairs.
-
C.
Los Angeles County Fairgrounds
Los Angeles County Fairgrounds is a large multi-purpose event complex in Pomona, California, best known for hosting the annual Los Angeles County Fair along with year-round exhibitions, concerts, and community events.
-
D.
Tehama District Fairgrounds
Tehama District Fairgrounds is a regional fair and event venue in Red Bluff, California, hosting agricultural fairs, rodeos, exhibitions, and community gatherings.
-
E.
San Mateo County Fair
The San Mateo County Fair is an annual community fair in San Mateo County, California, featuring carnival rides, live entertainment, agricultural exhibits, and family-oriented activities.
- 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: San Mateo County Fairgrounds Target entity description: San Mateo County Fairgrounds is a large multi-use event complex in San Mateo, California, best known for hosting the annual San Mateo County Fair along with trade shows, festivals, and community events.
-
A.
Alameda County Fairgrounds
Alameda County Fairgrounds is a large multi-purpose event venue in Pleasanton, California, known for hosting the annual Alameda County Fair and a wide variety of festivals, exhibitions, and community events.
-
B.
Monterey County Fairgrounds
Monterey County Fairgrounds is a historic event and entertainment venue in Monterey, California, best known for hosting iconic music festivals and community fairs.
-
C.
Los Angeles County Fairgrounds
Los Angeles County Fairgrounds is a large multi-purpose event complex in Pomona, California, best known for hosting the annual Los Angeles County Fair along with year-round exhibitions, concerts, and community events.
-
D.
Tehama District Fairgrounds
Tehama District Fairgrounds is a regional fair and event venue in Red Bluff, California, hosting agricultural fairs, rodeos, exhibitions, and community gatherings.
-
E.
San Mateo County Fair
The San Mateo County Fair is an annual community fair in San Mateo County, California, featuring carnival rides, live entertainment, agricultural exhibits, and family-oriented activities.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
event venue
ⓘ
fairground ⓘ multi-use event complex ⓘ |
| bestKnownFor | San Mateo County Fair ⓘ |
| category |
Fairgrounds in the United States
ⓘ
Tourist attractions in San Mateo County, California ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| hasPart |
exhibition halls
ⓘ
grandstand or arena ⓘ livestock areas ⓘ outdoor event spaces ⓘ parking lots ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
San Mateo County, California ⓘ San Mateo, California ⓘ
linked to:
San Mateo
|
| operatedBy | San Mateo County Event Center ⓘ |
| ownedBy |
County of San Mateo
ⓘ
linked to:
San Mateo County, California
|
| publicAccess | yes ⓘ |
| regionServed |
San Francisco Bay Area
ⓘ
San Mateo County ⓘ
linked to:
San Mateo County, California
|
| significantEvent | annual San Mateo County Fair ⓘ |
| usedFor |
community events
ⓘ
concerts ⓘ conventions ⓘ county fair ⓘ cultural events ⓘ exhibitions ⓘ festivals ⓘ sporting events ⓘ trade shows ⓘ |
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: San Mateo County Fairgrounds Description of subject: San Mateo County Fairgrounds is a large multi-use event complex in San Mateo, California, best known for hosting the annual San Mateo County Fair along with trade shows, festivals, and community events.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.