Tennis courts at Hearst Castle
E474023
The tennis courts at Hearst Castle are historic recreational facilities atop the estate’s hilltop complex, famously built above the ornate indoor Roman Pool and used by William Randolph Hearst’s guests for leisure and sport.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tennis courts at Hearst Castle canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4844530 — 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: Tennis courts at Hearst Castle Context triple: [Roman Pool, locatedBelow, Tennis courts at Hearst Castle]
-
A.
Riverside Clay Tennis Courts
Riverside Clay Tennis Courts is a public tennis facility in Manhattan’s Riverside Park known for its rare red clay courts and scenic Hudson River views.
-
B.
Yamate Museum of Tennis
The Yamate Museum of Tennis is a specialized museum in Yokohama, Japan, dedicated to the history and culture of tennis, particularly its early development in the country.
-
C.
Tennis Center
The Tennis Center in Central Park is a public recreational facility offering multiple tennis courts and related amenities within New York City's iconic urban park.
-
D.
Hellman Tennis Complex
Hellman Tennis Complex is an outdoor collegiate tennis facility on the University of California, Berkeley campus that hosts the school's varsity tennis competitions and training.
-
E.
Atkins Tennis Center
Atkins Tennis Center is a major collegiate tennis complex at the University of Illinois at Urbana-Champaign, serving as the home venue for the Fighting Illini tennis programs and hosting numerous regional and national tournaments.
- 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: Tennis courts at Hearst Castle Target entity description: The tennis courts at Hearst Castle are historic recreational facilities atop the estate’s hilltop complex, famously built above the ornate indoor Roman Pool and used by William Randolph Hearst’s guests for leisure and sport.
-
A.
Riverside Clay Tennis Courts
Riverside Clay Tennis Courts is a public tennis facility in Manhattan’s Riverside Park known for its rare red clay courts and scenic Hudson River views.
-
B.
Yamate Museum of Tennis
The Yamate Museum of Tennis is a specialized museum in Yokohama, Japan, dedicated to the history and culture of tennis, particularly its early development in the country.
-
C.
Tennis Center
The Tennis Center in Central Park is a public recreational facility offering multiple tennis courts and related amenities within New York City's iconic urban park.
-
D.
Hellman Tennis Complex
Hellman Tennis Complex is an outdoor collegiate tennis facility on the University of California, Berkeley campus that hosts the school's varsity tennis competitions and training.
-
E.
Atkins Tennis Center
Atkins Tennis Center is a major collegiate tennis complex at the University of Illinois at Urbana-Champaign, serving as the home venue for the Fighting Illini tennis programs and hosting numerous regional and national tournaments.
- F. None of above. chosen
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf |
historic site
ⓘ
sports venue ⓘ tennis facility ⓘ |
| access | guided tour only ⓘ |
| architecturalStyle | Mediterranean Revival context ⓘ |
| associatedWith |
Hearst Castle hilltop estate
ⓘ
Roman Pool at Hearst Castle NERFINISHED ⓘ |
| category |
Hearst Castle
NERFINISHED
ⓘ
Historic sports facilities in the United States ⓘ Sports venues in San Luis Obispo County, California ⓘ Tennis venues in California ⓘ |
| commissionedBy | William Randolph Hearst NERFINISHED ⓘ |
| constructionPeriod | early 20th century ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| currentUse | historic feature within a museum estate ⓘ |
| designedBy | Julia Morgan NERFINISHED ⓘ |
| heritageDesignation |
part of California Historical Landmark Hearst Castle
ⓘ
part of Hearst Castle National Historic Landmark ⓘ |
| historicalUse | private recreation for Hearst’s guests ⓘ |
| locatedAtElevation | hilltop complex of Hearst Castle ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
San Luis Obispo County, California NERFINISHED ⓘ San Simeon, California NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| locatedOnTopOf | Roman Pool at Hearst Castle NERFINISHED ⓘ |
| notableFeature |
panoramic views of the surrounding landscape
ⓘ
positioned directly above the indoor Roman Pool ⓘ |
| operator | California State Parks NERFINISHED ⓘ |
| owner | State of California NERFINISHED ⓘ |
| partOf | Hearst Castle NERFINISHED ⓘ |
| surfaceType | hard court ⓘ |
| tourism | popular attraction for Hearst Castle visitors ⓘ |
| usedBy | guests of William Randolph Hearst ⓘ |
| usedFor |
leisure
ⓘ
recreation ⓘ sport ⓘ tennis ⓘ |
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: Tennis courts at Hearst Castle Description of subject: The tennis courts at Hearst Castle are historic recreational facilities atop the estate’s hilltop complex, famously built above the ornate indoor Roman Pool and used by William Randolph Hearst’s guests for leisure and sport.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.