Yokosuka Naval Arsenal
E44321
Yokosuka Naval Arsenal was a major Imperial Japanese Navy shipbuilding and armaments facility that constructed many of Japan’s warships before and during World War II.
All labels observed (6)
How this entity was disambiguated
This entity first appeared as the object of triple T349515 — 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: Yokosuka Naval Arsenal Context triple: [Hiryū, builtBy, Yokosuka Naval Arsenal]
-
A.
Kure Naval Arsenal
Kure Naval Arsenal was a major Imperial Japanese Navy shipbuilding and armaments facility known for constructing prominent warships and aircraft carriers before and during World War II.
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B.
Kawasaki Shipyard, Kobe
Kawasaki Shipyard in Kobe is a major Japanese shipbuilding and heavy industry facility operated by Kawasaki Heavy Industries, historically known for constructing significant naval and commercial vessels.
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C.
Port of Kobe
The Port of Kobe is one of Japan’s major international seaports, serving as a key hub for container shipping and maritime trade in the Kansai region.
-
D.
Pearl Harbor Naval Shipyard
Pearl Harbor Naval Shipyard is a major U.S. Navy industrial facility in Hawaii that provides maintenance, repair, and modernization services for naval vessels and submarines.
-
E.
Navy Ministry of Japan
The Navy Ministry of Japan was the pre-World War II government department responsible for administering and overseeing the Imperial Japanese Navy.
- 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: Yokosuka Naval Arsenal Target entity description: Yokosuka Naval Arsenal was a major Imperial Japanese Navy shipbuilding and armaments facility that constructed many of Japan’s warships before and during World War II.
-
A.
Kure Naval Arsenal
Kure Naval Arsenal was a major Imperial Japanese Navy shipbuilding and armaments facility known for constructing prominent warships and aircraft carriers before and during World War II.
-
B.
Kawasaki Shipyard, Kobe
Kawasaki Shipyard in Kobe is a major Japanese shipbuilding and heavy industry facility operated by Kawasaki Heavy Industries, historically known for constructing significant naval and commercial vessels.
-
C.
Port of Kobe
The Port of Kobe is one of Japan’s major international seaports, serving as a key hub for container shipping and maritime trade in the Kansai region.
-
D.
Pearl Harbor Naval Shipyard
Pearl Harbor Naval Shipyard is a major U.S. Navy industrial facility in Hawaii that provides maintenance, repair, and modernization services for naval vessels and submarines.
-
E.
Navy Ministry of Japan
The Navy Ministry of Japan was the pre-World War II government department responsible for administering and overseeing the Imperial Japanese Navy.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
military facility
ⓘ
naval arsenal ⓘ shipyard ⓘ |
| controlledBy |
Navy Ministry of Japan
ⓘ
surface form:
Imperial Japanese Navy Ministry
|
| country | Japan ⓘ |
| developedBy | French naval engineer Léonce Verny ⓘ |
| employed |
Japanese naval engineers
ⓘ
shipyard workers ⓘ |
| foundedBy | Tokugawa shogunate ⓘ |
| heritage | site of early Japanese naval modernization ⓘ |
| inceptionPeriod |
early Meiji period
ⓘ
late Edo period ⓘ |
| industry |
armaments production
ⓘ
shipbuilding ⓘ |
| locatedIn |
Honshu
ⓘ
Japan ⓘ Kanagawa Prefecture ⓘ Yokosuka ⓘ |
| locatedNear | Yokosuka Naval Base ⓘ |
| locatedOn | Tokyo Bay ⓘ |
| notableFor |
being one of the principal shipyards of the Imperial Japanese Navy
ⓘ
construction of major capital ships for Japan ⓘ |
| operator | Imperial Japanese Navy ⓘ |
| partOf |
Imperial Japanese Navy shipbuilding program
ⓘ
Japanese naval industrial complex ⓘ |
| postWarUse |
Japan Maritime Self-Defense Force
ⓘ
surface form:
Japan Maritime Self-Defense Force facilities
United States Navy base facilities ⓘ |
| produced |
aircraft carriers
ⓘ
battleships ⓘ cruisers ⓘ destroyers ⓘ naval aircraft components ⓘ submarines ⓘ |
| significantEvent |
major expansion before World War II
ⓘ
modernization of Japanese fleet in Meiji era ⓘ |
| startDate |
1865
ⓘ
1866 ⓘ |
| status | former naval arsenal ⓘ |
| timePeriod |
19th century
ⓘ
20th century ⓘ |
| usedDuring |
Russo-Japanese War
ⓘ
Sino-Japanese War (1937–1945) ⓘ
surface form:
Second Sino-Japanese War
World War I ⓘ World War II ⓘ |
| usedFor |
construction of warships
ⓘ
maintenance of naval vessels ⓘ production of naval equipment ⓘ production of naval guns ⓘ repair of warships ⓘ |
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: Yokosuka Naval Arsenal Description of subject: Yokosuka Naval Arsenal was a major Imperial Japanese Navy shipbuilding and armaments facility that constructed many of Japan’s warships before and during World War II.
Referenced by (42)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Yokosuka Naval Air Technical Arsenal
this entity surface form:
Yokosuka Naval Air Technical Arsenal
this entity surface form:
Yokosuka Naval Air Technical Arsenal
subject surface form:
Hiryū
subject surface form:
Léonce Verny
subject surface form:
Léonce Verny
this entity surface form:
Yokosuka Naval Arsenal dry docks
subject surface form:
Léonce Verny
this entity surface form:
Yokosuka Naval Arsenal foundries
subject surface form:
Léonce Verny
this entity surface form:
Yokosuka Naval Arsenal workshops
subject surface form:
Léonce Verny
this entity surface form:
Yokosuka Naval Arsenal associated port facilities
subject surface form:
Yokosuka MXY8 Akigusa
this entity surface form:
Yokosuka Naval Air Technical Arsenal
subject surface form:
Yokosuka MXY8 Akigusa
this entity surface form:
Yokosuka Naval Air Technical Arsenal