Machiko Yamada
E771065
Machiko Yamada is a prominent Japanese figure skating coach known for mentoring world champion skater Midori Ito and developing numerous elite athletes.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Machiko Yamada canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T8391898 — 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: Machiko Yamada Context triple: [Midori Ito, coach, Machiko Yamada]
-
A.
Nobuko Kan
Nobuko Kan is a Japanese political figure and activist best known as the wife of former Prime Minister Naoto Kan and for her own involvement in social and civic causes.
-
B.
Yoshiko Morita
Yoshiko Morita is best known as the wife of Akio Morita, the co-founder of Sony Corporation.
-
C.
Ohira Chikako
Ohira Chikako was the wife of Masayoshi Ōhira, the 68th Prime Minister of Japan, and served as a Japanese political spouse active in social and public life.
-
D.
Tanaka Kinuyo
Tanaka Kinuyo was a pioneering Japanese actress and one of Japan’s first prominent female film directors, renowned for her work in classic mid-20th-century cinema.
-
E.
Shizuka Arakawa
Shizuka Arakawa is a Japanese figure skater best known for winning the gold medal at the 2006 Winter Olympics in Turin.
- 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: Machiko Yamada Target entity description: Machiko Yamada is a prominent Japanese figure skating coach known for mentoring world champion skater Midori Ito and developing numerous elite athletes.
-
A.
Nobuko Kan
Nobuko Kan is a Japanese political figure and activist best known as the wife of former Prime Minister Naoto Kan and for her own involvement in social and civic causes.
-
B.
Yoshiko Morita
Yoshiko Morita is best known as the wife of Akio Morita, the co-founder of Sony Corporation.
-
C.
Ohira Chikako
Ohira Chikako was the wife of Masayoshi Ōhira, the 68th Prime Minister of Japan, and served as a Japanese political spouse active in social and public life.
-
D.
Tanaka Kinuyo
Tanaka Kinuyo was a pioneering Japanese actress and one of Japan’s first prominent female film directors, renowned for her work in classic mid-20th-century cinema.
-
E.
Shizuka Arakawa
Shizuka Arakawa is a Japanese figure skater best known for winning the gold medal at the 2006 Winter Olympics in Turin.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese person
ⓘ
figure skating coach ⓘ |
| activeIn |
20th-century figure skating
ⓘ
21st-century figure skating ⓘ |
| countryOfCitizenship | Japan ⓘ |
| fieldOfWork |
athlete coaching
ⓘ
figure skating coaching ⓘ |
| gender | female ⓘ |
| genre | single skating coaching ⓘ |
| hasNotableTraineeLevel |
elite competitive skaters
ⓘ
world champion level athletes ⓘ |
| hasOccupation | sports coach ⓘ |
| hasStudent | Midori Ito ⓘ |
| influenced | Japanese figure skating ⓘ |
| knownFor |
developing elite Japanese figure skaters
ⓘ
mentoring world champion figure skater Midori Ito ⓘ |
| languageOfWorkOrName | Japanese ⓘ |
| nationality | Japanese ⓘ |
| notableAchievement | coaching a world champion figure skater ⓘ |
| notableRole | coach of Midori Ito ⓘ |
| notableStudent | Midori Ito ⓘ |
| notableWork | coaching Midori Ito ⓘ |
| occupation | figure skating coach ⓘ |
| partOf | Japanese figure skating community ⓘ |
| placeOfActivity | Japan ⓘ |
| residence | Japan ⓘ |
| sport | figure skating ⓘ |
| workFocus |
developing technical skills in figure skating
ⓘ
training competitive figure skaters ⓘ |
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: Machiko Yamada Description of subject: Machiko Yamada is a prominent Japanese figure skating coach known for mentoring world champion skater Midori Ito and developing numerous elite athletes.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.