Maizuru Naval Arsenal
E49747
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.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Maizuru Naval Arsenal canonical | 2 |
| Maizuru Naval District | 1 |
| Maizuru naval port | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T368786 — 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: Maizuru Naval Arsenal Context triple: [Kure Naval Arsenal, sisterFacility, Maizuru Naval Arsenal]
-
A.
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.
-
B.
Yokosuka Naval Arsenal
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.
-
C.
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.
-
D.
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.
-
E.
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.
- 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: Maizuru Naval Arsenal Target entity description: 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.
-
A.
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.
-
B.
Yokosuka Naval Arsenal
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.
-
C.
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.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
military industrial facility
ⓘ
naval arsenal ⓘ shipyard ⓘ |
| associatedWith | Japanese naval expansion before World War II ⓘ |
| controlledBy |
Navy Ministry of Japan
ⓘ
surface form:
Imperial Japanese Navy Ministry
|
| country |
Japan
ⓘ
surface form:
Empire of Japan
|
| endTime | after World War II ⓘ |
| hasFacility |
armaments workshops
ⓘ
dry docks ⓘ foundries ⓘ machine shops ⓘ slipways ⓘ |
| heritage | site of former Imperial Japanese Navy facilities in Maizuru ⓘ |
| historicalPeriod |
Meiji era
ⓘ
surface form:
Meiji period
Showa era ⓘ
surface form:
Showa period
Taisho era ⓘ
surface form:
Taisho period
|
| industry |
arms manufacturing
ⓘ
shipbuilding ⓘ |
| locatedInAdministrativeTerritorialEntity | Kyoto Prefecture ⓘ |
| locatedInMilitaryPort |
Maizuru Naval Arsenal
self-linksurface differs
ⓘ
surface form:
Maizuru naval port
|
| locatedOnBodyOfWater | Sea of Japan ⓘ |
| location | Maizuru, Kyoto Prefecture, Japan ⓘ |
| operator | Imperial Japanese Navy ⓘ |
| partOf |
Imperial Japanese Navy shipbuilding program
ⓘ
Maizuru Naval Arsenal self-linksurface differs ⓘ
surface form:
Maizuru Naval District
|
| product |
munitions
ⓘ
naval guns ⓘ naval machinery ⓘ ship hulls ⓘ |
| significance | one of the principal naval arsenals of the Imperial Japanese Navy ⓘ |
| significantEvent | World War II ⓘ |
| startTime | late 19th century ⓘ |
| status | defunct ⓘ |
| strategicImportance | support for Japanese naval operations in the Sea of Japan ⓘ |
| usedFor |
construction of warships
ⓘ
production of naval armaments ⓘ production of naval equipment ⓘ repair of warships ⓘ support of Imperial Japanese Navy operations ⓘ |
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: Maizuru Naval Arsenal Description of subject: 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.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Maizuru Naval District
this entity surface form:
Maizuru naval port