Mill Reef
E448384
Mill Reef was a legendary American-bred, British-trained Thoroughbred racehorse famed for his dominant performances in major European middle-distance races in the early 1970s.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mill Reef canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T4509594 — 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: Mill Reef Context triple: [Coronation Cup, notableWinner, Mill Reef]
-
A.
Rum Point
Rum Point is a laid-back beach area on Grand Cayman known for its clear shallow waters, beach bars, and relaxed island atmosphere.
-
B.
Bean Rock
Bean Rock is a small rocky islet in New Zealand’s Hauraki Gulf, best known as the site of the historic Bean Rock Lighthouse near Auckland.
-
C.
Eight Mile Rock
Eight Mile Rock is a coastal settlement on the southwestern shore of Grand Bahama Island in The Bahamas, known as one of the island’s largest communities outside Freeport.
-
D.
Robbins Reef
Robbins Reef is a small rocky shoal in Upper New York Bay best known as the site of the historic Robbins Reef Lighthouse, which has long guided ships entering New York Harbor.
-
E.
Yellow Hook
Yellow Hook was the former name of the Brooklyn neighborhood now known as Bay Ridge, reflecting its early history before the area was renamed in the 19th century.
- 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: Mill Reef Target entity description: Mill Reef was a legendary American-bred, British-trained Thoroughbred racehorse famed for his dominant performances in major European middle-distance races in the early 1970s.
-
A.
Rum Point
Rum Point is a laid-back beach area on Grand Cayman known for its clear shallow waters, beach bars, and relaxed island atmosphere.
-
B.
Bean Rock
Bean Rock is a small rocky islet in New Zealand’s Hauraki Gulf, best known as the site of the historic Bean Rock Lighthouse near Auckland.
-
C.
Eight Mile Rock
Eight Mile Rock is a coastal settlement on the southwestern shore of Grand Bahama Island in The Bahamas, known as one of the island’s largest communities outside Freeport.
-
D.
Robbins Reef
Robbins Reef is a small rocky shoal in Upper New York Bay best known as the site of the historic Robbins Reef Lighthouse, which has long guided ships entering New York Harbor.
-
E.
Yellow Hook
Yellow Hook was the former name of the Brooklyn neighborhood now known as Bay Ridge, reflecting its early history before the area was renamed in the 19th century.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
Thoroughbred racehorse
ⓘ
racehorse ⓘ |
| awarded | British Horse of the Year NERFINISHED ⓘ |
| breeder | Paul Mellon NERFINISHED ⓘ |
| colour | bay ⓘ |
| countryOfDeath | United Kingdom ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| dam | Milan Mill ⓘ |
| damsire | Princequillo NERFINISHED ⓘ |
| dateOfBirth | 1968-02-23 ⓘ |
| dateOfDeath | 1986-02-02 ⓘ |
| died | 1986 ⓘ |
| earnings | over £300000 ⓘ |
| foaled | 1968 ⓘ |
| grandsire | Nasrullah NERFINISHED ⓘ |
| injuryOccurred | 1972 ⓘ |
| legacy | considered one of the greatest European racehorses of the 20th century ⓘ |
| namedAfter | Mill Reef Club, Antigua NERFINISHED ⓘ |
| notableProgeny |
Acamas
NERFINISHED
ⓘ
Doyoun NERFINISHED ⓘ Reference Point NERFINISHED ⓘ Shirley Heights NERFINISHED ⓘ |
| notableRaceWin |
Coronation Cup
NERFINISHED
ⓘ
Dewhurst Stakes NERFINISHED ⓘ Epsom Derby NERFINISHED ⓘ Gimcrack Stakes NERFINISHED ⓘ King George VI and Queen Elizabeth Stakes NERFINISHED ⓘ Prix de l’Arc de Triomphe NERFINISHED ⓘ Sandown Eclipse Stakes NERFINISHED ⓘ |
| owner | Paul Mellon NERFINISHED ⓘ |
| placeOfBirth |
United States of America
ⓘ
surface form:
United States
|
| racedIn |
France
NERFINISHED
ⓘ
United Kingdom NERFINISHED ⓘ |
| raceRecord | 14 starts, 12 wins, 2 seconds ⓘ |
| racingDistanceSpecialty | middle-distance ⓘ |
| retiredToStud | 1973 ⓘ |
| seconds | 2 ⓘ |
| sex |
male
ⓘ
stallion ⓘ |
| sire | Never Bend NERFINISHED ⓘ |
| studLocation | National Stud, Newmarket NERFINISHED ⓘ |
| sufferedInjury | leg fracture ⓘ |
| totalStarts | 14 ⓘ |
| trainedAt | Kingsclere NERFINISHED ⓘ |
| trainedIn | United Kingdom NERFINISHED ⓘ |
| trainer | Ian Balding NERFINISHED ⓘ |
| wins | 12 ⓘ |
| wonClassic | Epsom Derby NERFINISHED ⓘ |
| wonGroupOne |
King George VI and Queen Elizabeth Stakes
NERFINISHED
ⓘ
Prix de l’Arc de Triomphe NERFINISHED ⓘ |
| yearOfAward | 1971 ⓘ |
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: Mill Reef Description of subject: Mill Reef was a legendary American-bred, British-trained Thoroughbred racehorse famed for his dominant performances in major European middle-distance races in the early 1970s.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Brigadier Gerard