Tokyo Arsenal
E324770
Tokyo Arsenal was a major Imperial Japanese government weapons factory known for manufacturing military firearms and equipment in the late 19th and early 20th centuries.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tokyo Arsenal canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3086153 — 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: Tokyo Arsenal Context triple: [Type 38 rifle, producedAt, Tokyo Arsenal]
-
A.
Maizuru Naval Arsenal
Maizuru Naval Arsenal was a major Imperial Japanese Navy shipbuilding and armaments facility located in Maizuru, Kyoto Prefecture, active primarily from the late 19th century through World War II.
-
B.
Tsukiji Naval Training Center
Tsukiji Naval Training Center was a late Edo-period naval academy in Tokyo that played a key role in modernizing Japan’s navy through Western-style maritime education and training.
-
C.
Tachikawa
Tachikawa is a major city in western Tokyo, Japan, known as a key commercial and transportation hub of the Tama region.
-
D.
Shibaura Futo
Shibaura Futo is a waterfront district and pier area in Tokyo’s Minato Ward, known for its views of Tokyo Bay and proximity to the Rainbow Bridge.
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E.
Sasebo Naval Arsenal
Sasebo Naval Arsenal was a major Imperial Japanese Navy shipbuilding and repair facility located in Sasebo, Nagasaki, that played a key role in Japan’s naval operations before and during World War II.
- 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: Tokyo Arsenal Target entity description: Tokyo Arsenal was a major Imperial Japanese government weapons factory known for manufacturing military firearms and equipment in the late 19th and early 20th centuries.
-
A.
Maizuru Naval Arsenal
Maizuru Naval Arsenal was a major Imperial Japanese Navy shipbuilding and armaments facility located in Maizuru, Kyoto Prefecture, active primarily from the late 19th century through World War II.
-
B.
Tsukiji Naval Training Center
Tsukiji Naval Training Center was a late Edo-period naval academy in Tokyo that played a key role in modernizing Japan’s navy through Western-style maritime education and training.
-
C.
Tachikawa
Tachikawa is a major city in western Tokyo, Japan, known as a key commercial and transportation hub of the Tama region.
-
D.
Shibaura Futo
Shibaura Futo is a waterfront district and pier area in Tokyo’s Minato Ward, known for its views of Tokyo Bay and proximity to the Rainbow Bridge.
-
E.
Sasebo Naval Arsenal
Sasebo Naval Arsenal was a major Imperial Japanese Navy shipbuilding and repair facility located in Sasebo, Nagasaki, that played a key role in Japan’s naval operations before and during World War II.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
arms manufacturer
ⓘ
weapons factory ⓘ |
| associatedWithConflict |
early World War II Japanese armament
ⓘ
interwar Japanese rearmament ⓘ pre–World War I Japanese military buildup ⓘ |
| category |
Arms manufacturers of Japan
ⓘ
Defunct manufacturing companies of Japan ⓘ Military history of Japan ⓘ |
| country |
Japan
ⓘ
surface form:
Empire of Japan
|
| era |
Meiji era
ⓘ
surface form:
Meiji period
Taisho era ⓘ
surface form:
Taisho period
early Showa period ⓘ |
| governmentBranch |
Ministry of War of Japan
ⓘ
surface form:
Japanese Ministry of War
|
| hasAttribute |
government-operated
ⓘ
large-scale production facility ⓘ military-oriented ⓘ |
| hasProductionType | mass production ⓘ |
| historicalRole |
central facility in Japan’s state-run arms production
ⓘ
supplied weapons for Japanese military expansion ⓘ |
| industry |
arms industry
ⓘ
defense industry ⓘ |
| languageOfName | Japanese ⓘ |
| locatedInAdministrativeArea | Tokyo Prefecture ⓘ |
| locatedInTimePeriod |
early 20th century
ⓘ
late 19th century ⓘ |
| location |
Japan
ⓘ
Tokyo ⓘ |
| operatedBy |
Imperial Japanese Army
ⓘ
Imperial Japan ⓘ
surface form:
Imperial Japanese government
|
| ownership | state-owned ⓘ |
| partOf | Japanese military–industrial complex ⓘ |
| product |
ammunition
ⓘ
machine guns ⓘ military equipment ⓘ military firearms ⓘ pistols ⓘ rifles ⓘ small arms ⓘ |
| significance | major Imperial Japanese government weapons factory ⓘ |
| status | defunct ⓘ |
| suppliedTo |
Japanese colonial garrisons
ⓘ
Japanese ground forces ⓘ |
| typeOfFacility |
arsenal
ⓘ
ordnance factory ⓘ |
| usedBy |
Imperial Japanese Army
ⓘ
Imperial Japanese Navy ⓘ |
| usedFor | equipping Imperial Japanese armed forces ⓘ |
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: Tokyo Arsenal Description of subject: Tokyo Arsenal was a major Imperial Japanese government weapons factory known for manufacturing military firearms and equipment in the late 19th and early 20th centuries.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.