Masako Owada
E18180
Masako Owada, now Empress Masako of Japan, is a Harvard- and Oxford-educated former diplomat who became the consort of Emperor Naruhito and a prominent member of the Japanese imperial family.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Masako Owada canonical | 16 |
| Yumiko Owada | 2 |
| Masako | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T51507 — 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: Masako Owada Context triple: [Naruhito, spouse, Masako Owada]
-
A.
Minoru Ōta
Minoru Ōta was an Imperial Japanese Navy rear admiral who led the defense of the Oroku Peninsula during the Battle of Okinawa in World War II and became known for his final message praising the Okinawan people.
-
B.
Rinko Kikuchi
Rinko Kikuchi is a Japanese actress acclaimed for her roles in international films such as "Babel" and "Pacific Rim," and for being one of the few Japanese actresses nominated for an Academy Award.
-
C.
Tomoyuki Yamashita
Tomoyuki Yamashita was a prominent Imperial Japanese Army general during World War II, best known for his rapid conquest of Malaya and Singapore and later defense of the Philippines.
-
D.
Nobutake Kondō
Nobutake Kondō was a senior Imperial Japanese Navy admiral who played major command roles in key Pacific War engagements, including the Guadalcanal campaign and other operations alongside the main carrier forces.
-
E.
Hirofumi Yoshimura
Hirofumi Yoshimura is a Japanese politician who serves as the governor of Osaka Prefecture and is a prominent figure in regional reform politics.
- 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: Masako Owada Target entity description: Masako Owada, now Empress Masako of Japan, is a Harvard- and Oxford-educated former diplomat who became the consort of Emperor Naruhito and a prominent member of the Japanese imperial family.
-
A.
Minoru Ōta
Minoru Ōta was an Imperial Japanese Navy rear admiral who led the defense of the Oroku Peninsula during the Battle of Okinawa in World War II and became known for his final message praising the Okinawan people.
-
B.
Rinko Kikuchi
Rinko Kikuchi is a Japanese actress acclaimed for her roles in international films such as "Babel" and "Pacific Rim," and for being one of the few Japanese actresses nominated for an Academy Award.
-
C.
Tomoyuki Yamashita
Tomoyuki Yamashita was a prominent Imperial Japanese Army general during World War II, best known for his rapid conquest of Malaya and Singapore and later defense of the Philippines.
-
D.
Nobutake Kondō
Nobutake Kondō was a senior Imperial Japanese Navy admiral who played major command roles in key Pacific War engagements, including the Guadalcanal campaign and other operations alongside the main carrier forces.
-
E.
Hirofumi Yoshimura
Hirofumi Yoshimura is a Japanese politician who serves as the governor of Osaka Prefecture and is a prominent figure in regional reform politics.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Empress consort
ⓘ
human ⓘ member of the Japanese imperial family ⓘ |
| birthDate | 1963-12-09 ⓘ |
| birthPlace | Minato, Tokyo, Japan ⓘ |
| child | Aiko, Princess Toshi ⓘ |
| countryOfCitizenship | Japan ⓘ |
| educatedAt |
Balliol College, Oxford
ⓘ
Harvard University ⓘ Radcliffe Institute for Advanced Study ⓘ
surface form:
Radcliffe College
University of Tokyo ⓘ |
| employer | Ministry of Foreign Affairs of Japan ⓘ |
| father | Hisashi Owada ⓘ |
| fieldOfStudy |
economics
ⓘ
law ⓘ |
| gender | female ⓘ |
| hasRole | patron of various cultural and charitable organizations in Japan ⓘ |
| honorificPrefix | Her Majesty ⓘ |
| house | House of Yamato ⓘ |
| languageSpoken |
English
ⓘ
French ⓘ German ⓘ Japanese ⓘ |
| marriageDate | 1993-06-09 ⓘ |
| memberOf | Imperial House of Japan ⓘ |
| mother | Yumiko Owada ⓘ |
| name |
Empress Masako
ⓘ
surface form:
Empress Masako of Japan
Masako Owada self-link ⓘ |
| nativeName | 小和田雅子 ⓘ |
| nobleTitle |
Empress Masako
ⓘ
surface form:
Crown Princess of Japan
Empress of Japan ⓘ |
| notableEvent |
enthronement as Empress consort of Japan in 2019
ⓘ
marriage to Crown Prince Naruhito ⓘ |
| notableWork | diplomatic activities as a Japanese foreign ministry official ⓘ |
| occupation |
diplomat
ⓘ
empress consort ⓘ |
| positionHeld |
Empress Masako
ⓘ
surface form:
Crown Princess of Japan
Empress consort of Japan ⓘ |
| precededBy | Empress Michiko ⓘ |
| religion | Shinto ⓘ |
| residence |
Akasaka Estate, Tokyo
ⓘ
surface form:
Akasaka Estate
Tokyo Imperial Palace ⓘ
surface form:
Imperial Palace, Tokyo
Tokyo ⓘ
surface form:
Tokyo, Japan
|
| spouse | Naruhito ⓘ |
| succeededBy | none as Empress consort (incumbent) ⓘ |
| title |
Empress Masako
ⓘ
surface form:
Crown Princess Masako
Her Majesty The Empress ⓘ |
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: Masako Owada Description of subject: Masako Owada, now Empress Masako of Japan, is a Harvard- and Oxford-educated former diplomat who became the consort of Emperor Naruhito and a prominent member of the Japanese imperial family.
Referenced by (19)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Masako
this entity surface form:
Yumiko Owada
this entity surface form:
Yumiko Owada
subject surface form:
Owada family
subject surface form:
Masako Owada
subject surface form:
Naruhito
subject surface form:
Hisashi Owada