Japanese aircraft carrier Kaga
E133266
The Japanese aircraft carrier Kaga was a converted battleship and one of the Imperial Japanese Navy’s key fleet carriers in the early Pacific War, playing a major role in the attack on Pearl Harbor before being sunk at the Battle of Midway in 1942.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Japanese aircraft carrier Kaga canonical | 2 |
| Japanese battleship Kaga | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1073278 — 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: Japanese aircraft carrier Kaga Context triple: [Kaga-class aircraft carrier, namedAfter, Japanese aircraft carrier Kaga]
-
A.
Japanese aircraft carrier Ryūjō
The Japanese aircraft carrier Ryūjō was a light carrier of the Imperial Japanese Navy that saw extensive service in the early Pacific War before being sunk at the Battle of the Eastern Solomons in 1942.
-
B.
Japanese aircraft carrier Hōshō
The Japanese aircraft carrier Hōshō was the world’s first purpose-built aircraft carrier to enter service, playing a pioneering role in the development of naval aviation for the Imperial Japanese Navy.
-
C.
Kaga-class aircraft carrier
The Kaga-class aircraft carrier was a planned class of Japanese aircraft carriers derived from the Izumo-class helicopter destroyers, intended to operate fixed-wing STOVL jets like the F-35B.
-
D.
Japanese battlecruiser Amagi
Japanese battlecruiser Amagi was a planned Imperial Japanese Navy capital ship of the Amagi class that was never completed and later scrapped after being damaged in the 1923 Great Kantō earthquake.
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E.
Japanese battleship Mikasa
The Japanese battleship Mikasa was a pre-dreadnought battleship that served as Admiral Tōgō Heihachirō’s flagship and played a pivotal role in Japan’s naval victories during the Russo-Japanese War.
- 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: Japanese aircraft carrier Kaga Target entity description: The Japanese aircraft carrier Kaga was a converted battleship and one of the Imperial Japanese Navy’s key fleet carriers in the early Pacific War, playing a major role in the attack on Pearl Harbor before being sunk at the Battle of Midway in 1942.
-
A.
Japanese aircraft carrier Ryūjō
The Japanese aircraft carrier Ryūjō was a light carrier of the Imperial Japanese Navy that saw extensive service in the early Pacific War before being sunk at the Battle of the Eastern Solomons in 1942.
-
B.
Japanese aircraft carrier Hōshō
The Japanese aircraft carrier Hōshō was the world’s first purpose-built aircraft carrier to enter service, playing a pioneering role in the development of naval aviation for the Imperial Japanese Navy.
-
C.
Kaga-class aircraft carrier
The Kaga-class aircraft carrier was a planned class of Japanese aircraft carriers derived from the Izumo-class helicopter destroyers, intended to operate fixed-wing STOVL jets like the F-35B.
-
D.
Japanese battlecruiser Amagi
Japanese battlecruiser Amagi was a planned Imperial Japanese Navy capital ship of the Amagi class that was never completed and later scrapped after being damaged in the 1923 Great Kantō earthquake.
-
E.
Japanese battleship Mikasa
The Japanese battleship Mikasa was a pre-dreadnought battleship that served as Admiral Tōgō Heihachirō’s flagship and played a pivotal role in Japan’s naval victories during the Russo-Japanese War.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Imperial Japanese Navy ship
ⓘ
aircraft carrier ⓘ warship ⓘ |
| aircraftTypesCarried |
Aichi D3A dive bombers
ⓘ
Mitsubishi A6M Zero fighters ⓘ Nakajima B5N torpedo bombers ⓘ
linked to:
Nakajima B5N
|
| airGroupSize | approximately 90 aircraft after reconstruction ⓘ |
| armament |
127 mm dual-purpose guns
ⓘ
203 mm guns in casemates (as built) ⓘ 25 mm anti-aircraft guns ⓘ |
| attackedBy |
USS Enterprise air group
ⓘ
linked to:
USS Enterprise aircraft
|
| beam | about 32.5 metres ⓘ |
| casualties | over 800 crew killed ⓘ |
| causeOfSinking | bombs from U.S. Navy dive bombers ⓘ |
| commissioned | 31 March 1928 ⓘ |
| conversionType | converted battleship to aircraft carrier ⓘ |
| country |
Empire of Japan
ⓘ
linked to:
Japan
|
| crewComplement | over 1,700 officers and men ⓘ |
| dateOfSinking | 4 June 1942 ⓘ |
| displacement |
about 26,900 tons standard
ⓘ
over 38,000 tons full load after reconstruction ⓘ |
| fate | scuttled by Japanese destroyers after being fatally damaged ⓘ |
| fleetAssignment | First Air Fleet ⓘ |
| historicalSignificance |
key participant in the Pearl Harbor attack
ⓘ
loss contributed to shift in naval air power at Midway ⓘ one of Japan’s main fleet carriers early in the Pacific War ⓘ |
| homePort | Kure Naval Base ⓘ |
| laidDown | 19 July 1920 ⓘ |
| launched | 17 November 1921 ⓘ |
| launchedAircraftFor |
first wave of Pearl Harbor attack
ⓘ
second wave of Pearl Harbor attack ⓘ |
| length | about 247.65 metres ⓘ |
| locationOfSinking | northwest of Midway Atoll ⓘ |
| maximumSpeed | about 28 knots ⓘ |
| namedAfter | Kaga Province NERFINISHED ⓘ |
| operator | Imperial Japanese Navy ⓘ |
| originalType |
Tosa-class battleship hull
ⓘ
linked to:
Tosa-class battleship
|
| propulsion |
oil-fired boilers
ⓘ
steam turbines ⓘ |
| reconstructed | 1934–1935 ⓘ |
| roleAtPearlHarbor | fleet carrier in First Air Fleet (Kido Butai) ⓘ |
| shipClass | Kaga-class aircraft carrier ⓘ |
| sunkAt | Battle of Midway ⓘ |
| tookPartIn |
Attack on Pearl Harbor
ⓘ
linked to:
attack on Pearl Harbor
Battle of Midway ⓘ Indian Ocean raid ⓘ Second Sino-Japanese War ⓘ
linked to:
Sino-Japanese War (1937–1945)
|
| wreckDiscovered | 1999 ⓘ |
| wreckLocation |
Pacific Ocean near Midway Atoll
ⓘ
linked to:
Central Pacific Ocean
|
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: Japanese aircraft carrier Kaga Description of subject: The Japanese aircraft carrier Kaga was a converted battleship and one of the Imperial Japanese Navy’s key fleet carriers in the early Pacific War, playing a major role in the attack on Pearl Harbor before being sunk at the Battle of Midway in 1942.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Japanese aircraft carrier Kaga