Japanese aircraft carrier Hiryū
E289336
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Japanese aircraft carrier Hiryū canonical | 5 |
| Japanese aircraft carrier Hiryu | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2336388 — 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 Hiryū Context triple: [Hiryū-class aircraft carrier, hasPart, Japanese aircraft carrier Hiryū]
-
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.
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.
-
D.
Japanese carrier Shokaku
Japanese carrier Shokaku was a major Imperial Japanese Navy fleet aircraft carrier, renowned for its role in early Pacific War battles before being sunk in 1944.
-
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 Hiryū Target entity description: 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.
-
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.
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.
-
D.
Japanese carrier Shokaku
Japanese carrier Shokaku was a major Imperial Japanese Navy fleet aircraft carrier, renowned for its role in early Pacific War battles before being sunk in 1944.
-
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 ⓘ |
| aircraftType |
Aichi D3A dive bombers
ⓘ
surface form:
Aichi D3A
Mitsubishi A6M ⓘ
surface form:
Mitsubishi A6M Zero
Nakajima B5N ⓘ |
| airGroupSize | about 70–80 aircraft ⓘ |
| armament |
127 mm dual-purpose guns
ⓘ
25 mm anti-aircraft guns ⓘ |
| battle |
attack on Pearl Harbor
ⓘ
surface form:
Attack on Pearl Harbor
Battle of Midway ⓘ Indian Ocean raid ⓘ |
| builder | Yokosuka Naval Arsenal ⓘ |
| category |
1937 ships
ⓘ
Ships sunk at the Battle of Midway ⓘ World War II aircraft carriers of Japan ⓘ |
| causeOfLoss | bomb damage and uncontrollable fires ⓘ |
| commissioned | 1939-07-05 ⓘ |
| country |
Japan
ⓘ
surface form:
Empire of Japan
|
| crewComplement | about 1200 officers and men ⓘ |
| dateSunk | 1942-06-05 ⓘ |
| designCharacteristic | modified design of Sōryū ⓘ |
| displacementFullLoad | about 20000 tons ⓘ |
| displacementStandard | about 17000 tons ⓘ |
| era | World War II ⓘ |
| fate | sunk at the Battle of Midway ⓘ |
| flagshipOf | Carrier Division 2 ⓘ |
| laidDown | 1936-07-08 ⓘ |
| launched | 1937-11-16 ⓘ |
| length | about 227 meters ⓘ |
| maximumSpeed | about 34 knots ⓘ |
| nameMeaning | Flying Dragon ⓘ |
| navalArchitecturalFeature | island superstructure on port side ⓘ |
| notableCommander | Rear Admiral Tamon Yamaguchi ⓘ |
| operator | Imperial Japanese Navy ⓘ |
| placeSunk | Pacific Ocean ⓘ |
| propulsion |
4 shafts
ⓘ
steam turbines ⓘ |
| roleInIndianOceanRaid | took part in attacks on British forces in the Indian Ocean ⓘ |
| roleInMidway | launched strikes against U.S. forces at Midway ⓘ |
| roleInPearlHarbor | launched air strikes on U.S. bases on Oahu ⓘ |
| scuttledBy | Imperial Japanese Navy destroyers ⓘ |
| shipClass | Sōryū-class aircraft carrier ⓘ |
| sisterShip | Japanese aircraft carrier Sōryū ⓘ |
| sunkBy |
United States Navy aircraft
ⓘ
surface form:
U.S. Navy aircraft
|
| sunkDuringOperation | U.S. counterattacks at Midway ⓘ |
| theater | 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: Japanese aircraft carrier Hiryū Description of subject: 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.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
CV-2
subject surface form:
Tamon Yamaguchi
this entity surface form:
Japanese aircraft carrier Hiryu