US Open (tennis)
E45029
The US Open (tennis) is one of the four Grand Slam tournaments, a major annual hard-court championship that attracts the world’s top professional players.
All labels observed (26)
How this entity was disambiguated
This entity first appeared as the object of triple T352702 — 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: US Open (tennis) Context triple: [Queens, hostsEvent, US Open (tennis)]
-
A.
U.S. Open
The U.S. Open is one of golf’s four major championships, organized annually by the United States Golf Association and known for its challenging course setups and elite international field.
-
B.
Australian Open
The Australian Open is one of tennis's four Grand Slam tournaments, held annually in Melbourne and known for its hard courts and intense summer conditions.
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C.
Women’s Tennis Association
The Women’s Tennis Association is the principal organizing body and global tour for professional women’s tennis, overseeing rankings, tournaments, and player representation worldwide.
-
D.
Billie Jean King National Tennis Center
The Billie Jean King National Tennis Center is a major tennis complex in New York City best known as the home of the US Open Grand Slam tournament.
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E.
International Tennis Hall of Fame
The International Tennis Hall of Fame is a museum and honorific institution in Newport, Rhode Island, dedicated to preserving the history of tennis and celebrating the sport’s greatest players and contributors.
- 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: US Open (tennis) Target entity description: The US Open (tennis) is one of the four Grand Slam tournaments, a major annual hard-court championship that attracts the world’s top professional players.
-
A.
U.S. Open
The U.S. Open is one of golf’s four major championships, organized annually by the United States Golf Association and known for its challenging course setups and elite international field.
-
B.
Australian Open
The Australian Open is one of tennis's four Grand Slam tournaments, held annually in Melbourne and known for its hard courts and intense summer conditions.
-
C.
Women’s Tennis Association
The Women’s Tennis Association is the principal organizing body and global tour for professional women’s tennis, overseeing rankings, tournaments, and player representation worldwide.
-
D.
Billie Jean King National Tennis Center
The Billie Jean King National Tennis Center is a major tennis complex in New York City best known as the home of the US Open Grand Slam tournament.
-
E.
International Tennis Hall of Fame
The International Tennis Hall of Fame is a museum and honorific institution in Newport, Rhode Island, dedicated to preserving the history of tennis and celebrating the sport’s greatest players and contributors.
- F. None of above. chosen
Statements (63)
| Predicate | Object |
|---|---|
| instanceOf |
Grand Slam tournament
ⓘ
tennis tournament ⓘ |
| abbreviation |
United States Lawn Tennis Association
ⓘ
surface form:
USTA
|
| alsoKnownAs |
US Open (tennis)
ⓘ
surface form:
US Open
US Open (tennis) ⓘ
surface form:
United States Open Tennis Championships
|
| broadcasterFormerUS | CBS Sports ⓘ |
| broadcasterUS | ESPN ⓘ |
| broadcastInCountry |
United States of America
ⓘ
surface form:
United States
|
| category | professional tennis ⓘ |
| cityBorough | Queens ⓘ |
| country | United States of America ⓘ |
| courtMaterial | acrylic hard court ⓘ |
| currentVenueSince | 1978 ⓘ |
| drawSizeMenDoubles | 64 ⓘ |
| drawSizeMenSingles | 128 ⓘ |
| drawSizeMixedDoubles | 32 ⓘ |
| drawSizeWomenDoubles | 64 ⓘ |
| drawSizeWomenSingles | 128 ⓘ |
| endTime | early September ⓘ |
| equalPrizeMoneySince | 1973 ⓘ |
| feature |
night sessions under lights
ⓘ
tiebreak in final set ⓘ |
| firstLocation |
Newport Casino complex
ⓘ
surface form:
Newport Casino, Newport, Rhode Island
|
| followedBy |
Australian Open
ⓘ
surface form:
Australian Open in next calendar year
|
| founded | 1881 ⓘ |
| frequency | annual ⓘ |
| genderEquality | equal prize money for men and women ⓘ |
| governingBody | International Tennis Federation ⓘ |
| grandSlamOrder | fourth of the year ⓘ |
| hasEvent |
junior events
ⓘ
men's doubles ⓘ men's singles ⓘ mixed doubles ⓘ qualifying tournaments ⓘ wheelchair events ⓘ women's doubles ⓘ women's singles ⓘ |
| location | New York City ⓘ |
| mainStadium |
Billie Jean King National Tennis Center
ⓘ
surface form:
Arthur Ashe Stadium
|
| movedTo |
Flushing Meadows–Corona Park
ⓘ
surface form:
Flushing Meadows–Corona Park, Queens, New York City
Forest Hills, Queens ⓘ
surface form:
Forest Hills, Queens, New York City
|
| notableChampion |
Novak Djokovic
ⓘ
Rafael Nadal ⓘ Roger Federer ⓘ Serena Williams ⓘ |
| organizer |
United States Lawn Tennis Association
ⓘ
surface form:
United States Tennis Association
|
| originalName | U.S. National Championships ⓘ |
| partOf |
Grand Slam tennis tournaments
ⓘ
surface form:
Grand Slam
|
| precededBy |
Wimbledon
ⓘ
surface form:
Wimbledon Championships
|
| prizeMoney | record high among tennis tournaments in many recent years ⓘ |
| secondaryStadium | Louis Armstrong Stadium ⓘ |
| showCourt | Grandstand ⓘ |
| sport | tennis ⓘ |
| startTime | late August ⓘ |
| surface | hard court ⓘ |
| surfaceChange |
clay to hard court in 1978
ⓘ
grass to clay in 1975 ⓘ |
| surfaceType | outdoor hard court ⓘ |
| timeZone | UTC−04:00 ⓘ |
| tourLevel |
ATP Tour Grand Slam
ⓘ
WTA Grand Slam ⓘ |
| venue |
Billie Jean King National Tennis Center
ⓘ
surface form:
USTA Billie Jean King National Tennis Center
|
| website | https://www.usopen.org/ ⓘ |
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: US Open (tennis) Description of subject: The US Open (tennis) is one of the four Grand Slam tournaments, a major annual hard-court championship that attracts the world’s top professional players.
Referenced by (60)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
US Open
subject surface form:
Billie Jean King
this entity surface form:
US Open – Women’s Singles
this entity surface form:
US Championships – men’s singles
this entity surface form:
US Open
this entity surface form:
US Open
this entity surface form:
US Open – singles
this entity surface form:
US Open Tennis Championships
this entity surface form:
US Open
this entity surface form:
United States Open Tennis Championships
this entity surface form:
US Open
this entity surface form:
US Open
this entity surface form:
U.S. Open tennis broadcasts
this entity surface form:
US Open 1974
this entity surface form:
US Open 1976
this entity surface form:
US Open 1978
this entity surface form:
US Open 1982
this entity surface form:
US Open 1983
subject surface form:
Queens
this entity surface form:
US Open
this entity surface form:
US Open 1969
this entity surface form:
US Open
this entity surface form:
US Open men's singles
this entity surface form:
US Open women's singles
this entity surface form:
US Open men's doubles
this entity surface form:
US Open women's doubles
this entity surface form:
US Open tennis championships
this entity surface form:
US Open
this entity surface form:
US Open
this entity surface form:
US Open (tennis) venues
this entity surface form:
US Open
this entity surface form:
US Open Tennis Championships
this entity surface form:
US Open
this entity surface form:
US Open
this entity surface form:
US Open Tennis Championships
this entity surface form:
US Open men's singles 1968
this entity surface form:
US Open
this entity surface form:
US Open
this entity surface form:
US Open began in 1968
this entity surface form:
US Open
this entity surface form:
US Open
this entity surface form:
US Open
subject surface form:
ESPN
this entity surface form:
US Open (tennis) in the United States
this entity surface form:
2019 US Open women’s singles
this entity surface form:
US Open
this entity surface form:
US Open