International 12-metre rule
E625747
The International 12-metre rule is a yacht measurement formula that defined the design and dimensions of a class of racing sailboats widely used in prestigious competitions such as the America's Cup during much of the 20th century.
All labels observed (2)
| Label | Occurrences |
|---|---|
| International 12-metre rule canonical | 1 |
| International Rule racing yachts | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6889207 — 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: International 12-metre rule Context triple: [America's Cup 1977, rules, International 12-metre rule]
-
A.
America’s Cup Class
America’s Cup Class is a high-performance yacht design rule used to create the cutting-edge racing boats that compete in the prestigious America’s Cup sailing competition.
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B.
World Sailing
World Sailing is the international governing body responsible for overseeing and regulating the sport of sailing worldwide, including its Olympic disciplines.
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C.
Schneider Trophy competition
The Schneider Trophy competition was an early 20th-century international seaplane racing contest that spurred major advances in aircraft speed and aerodynamics.
-
D.
Antigua Sailing Week
Antigua Sailing Week is a premier Caribbean regatta that attracts international yachts and sailors for a week of competitive racing and onshore festivities.
-
E.
ISAF
ISAF was a NATO-led multinational military mission in Afghanistan, established by the United Nations to help maintain security and support reconstruction after the 2001 U.S.-led invasion.
- 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: International 12-metre rule Target entity description: The International 12-metre rule is a yacht measurement formula that defined the design and dimensions of a class of racing sailboats widely used in prestigious competitions such as the America's Cup during much of the 20th century.
-
A.
America’s Cup Class
America’s Cup Class is a high-performance yacht design rule used to create the cutting-edge racing boats that compete in the prestigious America’s Cup sailing competition.
-
B.
World Sailing
World Sailing is the international governing body responsible for overseeing and regulating the sport of sailing worldwide, including its Olympic disciplines.
-
C.
Schneider Trophy competition
The Schneider Trophy competition was an early 20th-century international seaplane racing contest that spurred major advances in aircraft speed and aerodynamics.
-
D.
Antigua Sailing Week
Antigua Sailing Week is a premier Caribbean regatta that attracts international yachts and sailors for a week of competitive racing and onshore festivities.
-
E.
ISAF
ISAF was a NATO-led multinational military mission in Afghanistan, established by the United Nations to help maintain security and support reconstruction after the 2001 U.S.-led invasion.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
handicap rule
ⓘ
sailing class rule ⓘ yacht measurement rule ⓘ |
| aim |
to balance speed and seaworthiness
ⓘ
to create fair competition between yachts of different designs ⓘ to limit extreme design features ⓘ |
| america'sCupDefenderClass | 1958–1987 ⓘ |
| appliesTo |
12-metre class
ⓘ
keel yachts ⓘ monohull yachts ⓘ |
| basedOn | International Rule ⓘ |
| category |
nautical sports regulations
ⓘ
sailing rules ⓘ yacht classes ⓘ |
| classRating | 12 metres ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| defines |
displacement
ⓘ
freeboard ⓘ girth measurements ⓘ hull shape constraints ⓘ length of yacht ⓘ sail area ⓘ |
| governingBody |
International Sailing Federation
ⓘ
linked to:
World Sailing
International Yacht Racing Union ⓘ
linked to:
World Sailing
World Sailing ⓘ |
| influenced | development of ocean racing yacht design ⓘ |
| introduced | 1907 ⓘ |
| measurementUnit | metre ⓘ |
| notableEvent | reintroduction of America's Cup after WWII under 12-metre rule ⓘ |
| notableUse | famous 1983 America's Cup match between Australia II and Liberty ⓘ |
| note | rating of 12 metres does not equal overall hull length ⓘ |
| predecessor | Universal Rule ⓘ |
| stillUsedFor | vintage and classic yacht racing ⓘ |
| successor |
International America's Cup Class
ⓘ
linked to:
America’s Cup Class
|
| typicalCrewSize | 10 to 16 sailors ⓘ |
| typicalLOA | approximately 20 metres ⓘ |
| usedFor |
design of racing yachts
ⓘ
measurement of racing yachts ⓘ |
| usedInCompetition |
Admiral's Cup
ⓘ
America's Cup ⓘ
linked to:
America’s Cup
Olympic sailing ⓘ |
| usedInPeriod |
early 20th century
ⓘ
late 20th century ⓘ mid 20th century ⓘ |
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: International 12-metre rule Description of subject: The International 12-metre rule is a yacht measurement formula that defined the design and dimensions of a class of racing sailboats widely used in prestigious competitions such as the America's Cup during much of the 20th century.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: International 12-metre rule