Iwao Matsuda
E213868
Iwao Matsuda was an Imperial Japanese Army general who led Japanese forces during World War II, notably in the Pacific campaigns.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Iwao Matsuda canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1374126 — 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: Iwao Matsuda Context triple: [Battle of Cape Gloucester, commander, Iwao Matsuda]
-
A.
Shigeru Umebayashi
Shigeru Umebayashi is a Japanese composer best known internationally for his evocative film scores, particularly in collaborations with directors like Wong Kar-wai and Zhang Yimou.
-
B.
Masayoshi Ōhira
Masayoshi Ōhira was a Japanese politician who served as Prime Minister of Japan from 1978 until his death in 1980.
-
C.
Hideo Ohno
Hideo Ohno is a Japanese physicist renowned for his pioneering work in spintronics and semiconductor physics.
-
D.
Koichi Tanaka
Koichi Tanaka is a Japanese engineer and Nobel Prize–winning chemist renowned for his pioneering work in mass spectrometry, particularly soft laser desorption ionization.
-
E.
Yoshio Itoi
Yoshio Itoi is a Japanese professional baseball outfielder known for his speed, strong throwing arm, and multiple All-Star selections in Nippon Professional Baseball.
- 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: Iwao Matsuda Target entity description: Iwao Matsuda was an Imperial Japanese Army general who led Japanese forces during World War II, notably in the Pacific campaigns.
-
A.
Shigeru Umebayashi
Shigeru Umebayashi is a Japanese composer best known internationally for his evocative film scores, particularly in collaborations with directors like Wong Kar-wai and Zhang Yimou.
-
B.
Masayoshi Ōhira
Masayoshi Ōhira was a Japanese politician who served as Prime Minister of Japan from 1978 until his death in 1980.
-
C.
Hideo Ohno
Hideo Ohno is a Japanese physicist renowned for his pioneering work in spintronics and semiconductor physics.
-
D.
Koichi Tanaka
Koichi Tanaka is a Japanese engineer and Nobel Prize–winning chemist renowned for his pioneering work in mass spectrometry, particularly soft laser desorption ionization.
-
E.
Yoshio Itoi
Yoshio Itoi is a Japanese professional baseball outfielder known for his speed, strong throwing arm, and multiple All-Star selections in Nippon Professional Baseball.
- F. None of above. chosen
Statements (11)
| Predicate | Object |
|---|---|
| instanceOf |
Imperial Japanese Army general
ⓘ
person ⓘ |
| allegiance | Japan ⓘ |
| conflict | Pacific War ⓘ |
| country |
Japan
ⓘ
surface form:
Empire of Japan
|
| militaryBranch | Imperial Japanese Army ⓘ |
| notableFor | commanding Japanese forces in Pacific campaigns during World War II ⓘ |
| occupation | military officer ⓘ |
| participatedIn | World War II ⓘ |
| side | Axis powers ⓘ |
| theaterOfOperations |
Pacific Theater of Operations
ⓘ
surface form:
Pacific theater of World War II
|
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: Iwao Matsuda Description of subject: Iwao Matsuda was an Imperial Japanese Army general who led Japanese forces during World War II, notably in the Pacific campaigns.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.