Japanese aircraft carrier Shinano
E342181
The Japanese aircraft carrier Shinano was a World War II Imperial Japanese Navy vessel, originally laid down as a Yamato-class battleship and later converted into the world's largest aircraft carrier of its time before being sunk on its maiden voyage in 1944.
All labels observed (3)
| Label | Occurrences |
|---|---|
| IJN Shinano | 1 |
| Japanese aircraft carrier Shinano canonical | 1 |
| Japanese battleship Shinano | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3086059 — 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 Shinano Context triple: [Yamato-class battleship, hasPart, Japanese aircraft carrier Shinano]
-
A.
Japanese aircraft carrier Hiryū
The Japanese aircraft carrier Hiryū was a fleet 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.
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.
-
C.
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.
-
D.
Japanese aircraft carrier Kaga
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.
-
E.
Japanese carrier Hiyo
Japanese carrier Hiyo was an Imperial Japanese Navy aircraft carrier of World War II that saw major action in the Pacific before being sunk during the Battle of the Philippine Sea in 1944.
- 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 Shinano Target entity description: The Japanese aircraft carrier Shinano was a World War II Imperial Japanese Navy vessel, originally laid down as a Yamato-class battleship and later converted into the world's largest aircraft carrier of its time before being sunk on its maiden voyage in 1944.
-
A.
Japanese aircraft carrier Hiryū
The Japanese aircraft carrier Hiryū was a fleet 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.
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.
-
C.
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.
-
D.
Japanese aircraft carrier Kaga
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.
-
E.
Japanese carrier Hiyo
Japanese carrier Hiyo was an Imperial Japanese Navy aircraft carrier of World War II that saw major action in the Pacific before being sunk during the Battle of the Philippine Sea in 1944.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Imperial Japanese Navy ship
ⓘ
aircraft carrier ⓘ warship ⓘ |
| armament |
12 × 12.7 cm dual-purpose guns
ⓘ
multiple 25 mm anti-aircraft guns ⓘ |
| armourType | heavy side and deck armor inherited from Yamato-class design ⓘ |
| beam | approximately 38.9 meters ⓘ |
| builder | Yokosuka Naval Arsenal ⓘ |
| casualties | over 1400 ⓘ |
| commissioned | 1944-11-19 ⓘ |
| constructionStatusAtCommissioning | incomplete ⓘ |
| conversionDecisionDate | 1942 ⓘ |
| convertedTo | aircraft carrier ⓘ |
| country |
Japan
ⓘ
surface form:
Empire of Japan
|
| crewComplement | approximately 2400 personnel planned ⓘ |
| crewOnFinalVoyage | over 2000 personnel ⓘ |
| damageControlTraining | inadequate ⓘ |
| designedAircraftCapacity | approximately 40–50 aircraft ⓘ |
| displacementFullLoad | over 70000 tons ⓘ |
| displacementStandard | approximately 65000 tons ⓘ |
| era | World War II ⓘ |
| fate | sunk by submarine torpedoes ⓘ |
| flag | Naval ensign of the Empire of Japan ⓘ |
| hullOrigin | third Yamato-class battleship hull ⓘ |
| laidDown | 1940-05-04 ⓘ |
| launched | 1944-10-08 ⓘ |
| length | approximately 266 meters ⓘ |
| maximumSpeed | approximately 27 knots ⓘ |
| namedAfter | Shinano Province NERFINISHED ⓘ |
| notableFor |
largest aircraft carrier in the world at the time of completion
ⓘ
largest warship ever sunk by a submarine ⓘ |
| operator | Imperial Japanese Navy ⓘ |
| originalType | battleship ⓘ |
| placeOfConstruction | Yokosuka Naval Arsenal ⓘ |
| primaryFunction | carrier support and replenishment ⓘ |
| propulsion |
4 shafts
ⓘ
steam turbines ⓘ |
| reasonForConversion | losses at the Battle of Midway and need for carriers ⓘ |
| role | support carrier ⓘ |
| shipClass | Yamato-class hull converted to aircraft carrier ⓘ |
| sinkingCause | torpedo damage and uncontrolled flooding ⓘ |
| sinkingLocation | off the coast of Japan in the Philippine Sea ⓘ |
| sunk | 1944-11-29 ⓘ |
| sunkBy | USS Archerfish ⓘ |
| survivors | approximately 1100 ⓘ |
| voyageStatusAtSinking | maiden voyage ⓘ |
| watertightIntegrity | compromised due to incomplete fittings and open passages ⓘ |
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 Shinano Description of subject: The Japanese aircraft carrier Shinano was a World War II Imperial Japanese Navy vessel, originally laid down as a Yamato-class battleship and later converted into the world's largest aircraft carrier of its time before being sunk on its maiden voyage in 1944.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
IJN Shinano
this entity surface form:
Japanese battleship Shinano