U.S. Senior Open
E568557
The U.S. Senior Open is one of golf’s major championships for professional and top amateur players aged 50 and over, held annually in the United States.
All labels observed (2)
| Label | Occurrences |
|---|---|
| U.S. Senior Open canonical | 2 |
| 2020 U.S. Senior Open (scheduled, later moved) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6106360 — 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: U.S. Senior Open Context triple: [United States Golf Association, organizes, U.S. Senior Open]
-
A.
The Senior Open Championship
The Senior Open Championship is a major professional golf tournament for senior players, recognized as one of the premier events on the senior golf circuit.
-
B.
PGA Championship
The PGA Championship is one of professional golf’s four major tournaments, organized annually by the PGA of America and contested by many of the world’s top players.
-
C.
The Memorial Tournament
The Memorial Tournament is a prestigious annual professional golf event on the PGA Tour founded by Jack Nicklaus and played at Muirfield Village Golf Club in Ohio.
-
D.
The Players Championship
The Players Championship is one of professional golf’s most prestigious tournaments, often considered the PGA Tour’s flagship event and sometimes dubbed the “fifth major.”
-
E.
Masters Tournament
The Masters Tournament is one of golf’s four major championships, held annually at Augusta National Golf Club in Georgia and renowned for its green jacket tradition and iconic course.
- 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: U.S. Senior Open Target entity description: The U.S. Senior Open is one of golf’s major championships for professional and top amateur players aged 50 and over, held annually in the United States.
-
A.
The Senior Open Championship
The Senior Open Championship is a major professional golf tournament for senior players, recognized as one of the premier events on the senior golf circuit.
-
B.
PGA Championship
The PGA Championship is one of professional golf’s four major tournaments, organized annually by the PGA of America and contested by many of the world’s top players.
-
C.
The Memorial Tournament
The Memorial Tournament is a prestigious annual professional golf event on the PGA Tour founded by Jack Nicklaus and played at Muirfield Village Golf Club in Ohio.
-
D.
The Players Championship
The Players Championship is one of professional golf’s most prestigious tournaments, often considered the PGA Tour’s flagship event and sometimes dubbed the “fifth major.”
-
E.
Masters Tournament
The Masters Tournament is one of golf’s four major championships, held annually at Augusta National Golf Club in Georgia and renowned for its green jacket tradition and iconic course.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
golf tournament
ⓘ
recurring sporting event ⓘ senior major championship ⓘ |
| abbreviation | U.S. Senior Open Championship NERFINISHED ⓘ |
| ageCategory | senior ⓘ |
| ageEligibility | 50 and over ⓘ |
| alsoKnownAs | United States Senior Open Championship NERFINISHED ⓘ |
| broadcastMedium |
digital streaming
ⓘ
television ⓘ |
| category | senior golf major ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| cutFormat | 36-hole cut ⓘ |
| eligibility |
professional golfers
ⓘ
top amateur golfers ⓘ |
| established | 1980 ⓘ |
| fieldComposition | international field ⓘ |
| firstPlayed | 1980 ⓘ |
| format | stroke play ⓘ |
| frequency | annual ⓘ |
| gender | men ⓘ |
| governingBody | United States Golf Association NERFINISHED ⓘ |
| governingRules | Rules of Golf NERFINISHED ⓘ |
| hasAmateurComponent | true ⓘ |
| hasField | professionals and amateurs ⓘ |
| language | English ⓘ |
| location |
United States of America
ⓘ
surface form:
United States
|
| notableFeature |
open to both professionals and top amateurs aged 50 and over
ⓘ
recognized as a senior major championship by the USGA ⓘ |
| organizedIn | United States NERFINISHED ⓘ |
| organizer |
USGA
NERFINISHED
ⓘ
United States Golf Association NERFINISHED ⓘ |
| participantType | senior male golfers ⓘ |
| partOf | senior major championships ⓘ |
| prizeType | money ⓘ |
| region | North America ⓘ |
| rounds | 4 ⓘ |
| selectionCriteria | qualification and exemptions ⓘ |
| sport | golf ⓘ |
| status | major championship ⓘ |
| surface | grass ⓘ |
| tour | senior golf ⓘ |
| typicalDuration | 72 holes ⓘ |
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: U.S. Senior Open Description of subject: The U.S. Senior Open is one of golf’s major championships for professional and top amateur players aged 50 and over, held annually in the United States.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
2020 U.S. Senior Open (scheduled, later moved)