Masao Iri
E388001
Masao Iri was a Japanese mathematician known for his contributions to numerical analysis and combinatorial optimization, and for mentoring influential computer scientists.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Masao Iri canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2739072 — 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: Masao Iri Context triple: [Takeo Kanade, doctoralAdvisor, Masao Iri]
-
A.
Toshihide
Toshihide is a Japanese given name most notably borne by Nobel Prize–winning theoretical physicist Toshihide Maskawa.
-
B.
Yoshihiko Miyauchi
Yoshihiko Miyauchi is a Japanese businessman best known for building Orix Corporation into a major global financial services group and serving as its long-time leader.
-
C.
Hara Takashi
Hara Takashi was a Japanese politician who became the first commoner to serve as Prime Minister of Japan during the early Taishō period.
-
D.
Yamaguchi Naoyoshi
Yamaguchi Naoyoshi was a Japanese statesman of the early Meiji era who took part in Japan’s modernization efforts, including its landmark diplomatic and study tour abroad.
-
E.
Nobutaka Machimura
Nobutaka Machimura was a prominent Japanese Liberal Democratic Party politician who held key cabinet posts, including Minister for Foreign Affairs and Chief Cabinet Secretary, and served as Speaker of the House of Representatives.
- 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: Masao Iri Target entity description: Masao Iri was a Japanese mathematician known for his contributions to numerical analysis and combinatorial optimization, and for mentoring influential computer scientists.
-
A.
Toshihide
Toshihide is a Japanese given name most notably borne by Nobel Prize–winning theoretical physicist Toshihide Maskawa.
-
B.
Yoshihiko Miyauchi
Yoshihiko Miyauchi is a Japanese businessman best known for building Orix Corporation into a major global financial services group and serving as its long-time leader.
-
C.
Hara Takashi
Hara Takashi was a Japanese politician who became the first commoner to serve as Prime Minister of Japan during the early Taishō period.
-
D.
Yamaguchi Naoyoshi
Yamaguchi Naoyoshi was a Japanese statesman of the early Meiji era who took part in Japan’s modernization efforts, including its landmark diplomatic and study tour abroad.
-
E.
Nobutaka Machimura
Nobutaka Machimura was a prominent Japanese Liberal Democratic Party politician who held key cabinet posts, including Minister for Foreign Affairs and Chief Cabinet Secretary, and served as Speaker of the House of Representatives.
- F. None of above. chosen
Statements (35)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese mathematician
ⓘ
human ⓘ mathematician ⓘ |
| academicDiscipline | applied mathematics ⓘ |
| affiliation | Faculty of Engineering, University of Tokyo ⓘ |
| areaOfInfluence |
Japanese computer science community
ⓘ
graph algorithms ⓘ optimization theory ⓘ |
| contributedTo |
development of algorithms in combinatorial optimization
ⓘ
development of algorithms in numerical analysis ⓘ |
| countryOfCitizenship | Japan ⓘ |
| employer | University of Tokyo ⓘ |
| fieldOfWork |
combinatorial optimization
ⓘ
computer science ⓘ mathematics ⓘ numerical analysis ⓘ operations research ⓘ |
| genre | scientific literature ⓘ |
| hasGender | male ⓘ |
| influenced |
research in combinatorial optimization in Japan
ⓘ
research in graph algorithms in Japan ⓘ |
| knownFor |
contributions to combinatorial optimization
ⓘ
contributions to numerical analysis ⓘ mentoring influential computer scientists ⓘ |
| languageOfWorkOrName |
English
ⓘ
Japanese ⓘ |
| name | Masao Iri ⓘ |
| nationality | Japanese ⓘ |
| nativeName | 伊理正夫 ⓘ |
| notableStudent |
Hiroshi Nagamochi
ⓘ
Takao Nishizeki ⓘ other influential Japanese computer scientists ⓘ |
| occupation |
mathematician
ⓘ
university professor ⓘ |
| workLocation | Tokyo ⓘ |
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: Masao Iri Description of subject: Masao Iri was a Japanese mathematician known for his contributions to numerical analysis and combinatorial optimization, and for mentoring influential computer scientists.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.