heavy cruiser Mikuma
E11544
The heavy cruiser Mikuma was an Imperial Japanese Navy warship of the Mogami class that saw early World War II service before being sunk during the pivotal Battle of Midway in 1942.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Mogami-class heavy cruiser | 1 |
| heavy cruiser Mikuma canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13957 — 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: heavy cruiser Mikuma Context triple: [Battle of Midway, lostByJapan, heavy cruiser Mikuma]
-
A.
Kaga
Kaga was a Japanese aircraft carrier of the Imperial Japanese Navy that played a major role in early Pacific War operations before being sunk at the Battle of Midway in 1942.
-
B.
Sōryū
Sōryū was a Japanese aircraft carrier of the Imperial Japanese Navy that played a major role in early Pacific War operations before being sunk during World War II.
-
C.
Akagi
Akagi was a prominent Imperial Japanese Navy aircraft carrier that played a major role in early Pacific War operations before being sunk during World War II.
-
D.
USS Arizona (BB-39)
USS Arizona (BB-39) was a Pennsylvania-class U.S. Navy battleship whose catastrophic destruction and loss of life during the 1941 Japanese attack on Pearl Harbor made it one of the most iconic symbols of the United States’ entry into World War II.
-
E.
Hiryū
Hiryū was a Japanese aircraft carrier of the Imperial Japanese Navy, best known for its crucial role and eventual sinking during the Battle of Midway in 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: heavy cruiser Mikuma Target entity description: The heavy cruiser Mikuma was an Imperial Japanese Navy warship of the Mogami class that saw early World War II service before being sunk during the pivotal Battle of Midway in 1942.
-
A.
Kaga
Kaga was a Japanese aircraft carrier of the Imperial Japanese Navy that played a major role in early Pacific War operations before being sunk at the Battle of Midway in 1942.
-
B.
Sōryū
Sōryū was a Japanese aircraft carrier of the Imperial Japanese Navy that played a major role in early Pacific War operations before being sunk during World War II.
-
C.
Akagi
Akagi was a prominent Imperial Japanese Navy aircraft carrier that played a major role in early Pacific War operations before being sunk during World War II.
-
D.
USS Arizona (BB-39)
USS Arizona (BB-39) was a Pennsylvania-class U.S. Navy battleship whose catastrophic destruction and loss of life during the 1941 Japanese attack on Pearl Harbor made it one of the most iconic symbols of the United States’ entry into World War II.
-
E.
Hiryū
Hiryū was a Japanese aircraft carrier of the Imperial Japanese Navy, best known for its crucial role and eventual sinking during the Battle of Midway in World War II.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Imperial Japanese Navy warship
ⓘ
Mogami-class cruiser ⓘ heavy cruiser ⓘ |
| affiliation | Combined Fleet ⓘ |
| armament |
203 mm naval guns
ⓘ
anti-aircraft guns ⓘ torpedo tubes ⓘ |
| belligerentIn | Pacific War ⓘ |
| builder |
Sasebo Naval Arsenal
ⓘ
surface form:
Mitsubishi Nagasaki Shipyard
|
| category |
Mogami class
ⓘ
surface form:
Mogami-class cruisers
Ships sunk in the Battle of Midway ⓘ World War II cruisers of Japan ⓘ |
| causeOfSinking | air attack ⓘ |
| commissioned | 29 August 1935 ⓘ |
| conflict | World War II ⓘ |
| conversion | originally designed as light cruiser with 155 mm guns ⓘ |
| country |
Japan
ⓘ
surface form:
Empire of Japan
|
| dateOfSinking | 6 June 1942 ⓘ |
| displacement | approximately 13,400 tons standard ⓘ |
| era | World War II ⓘ |
| fate | sunk ⓘ |
| hullNumber | Mikuma ⓘ |
| laidDown | 24 December 1931 ⓘ |
| launched | 31 May 1934 ⓘ |
| length | approximately 200 meters ⓘ |
| maximumSpeed | approximately 35 knots ⓘ |
| namedAfter | Mikuma River ⓘ |
| navalFleet | Imperial Japanese Navy ⓘ |
| notableEvent | sunk during the Battle of Midway ⓘ |
| operator | Imperial Japanese Navy ⓘ |
| participatedIn |
Attack on Pearl Harbor operations area (support role)
ⓘ
Battle of Midway ⓘ Indian Ocean raid ⓘ
surface form:
Indian Ocean Raid
|
| placeOfConstruction |
Nagasaki
ⓘ
surface form:
Nagasaki, Japan
|
| placeOfSinking | near Midway Atoll ⓘ |
| propulsion |
oil-fired boilers
ⓘ
steam turbines ⓘ |
| refit | main guns later replaced with 203 mm guns ⓘ |
| serviceEnd | 1942 ⓘ |
| serviceEntry | 1935 ⓘ |
| shipClass | Mogami class ⓘ |
| shipType | heavy cruiser ⓘ |
| sisterShip |
Kumano
ⓘ
Mogami ⓘ Suzuya ⓘ |
| sunkBy | United States Navy carrier aircraft ⓘ |
| theaterOfWar | Pacific War ⓘ |
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: heavy cruiser Mikuma Description of subject: The heavy cruiser Mikuma was an Imperial Japanese Navy warship of the Mogami class that saw early World War II service before being sunk during the pivotal Battle of Midway in 1942.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Mogami-class heavy cruiser