Japanese aircraft carrier Ryūjō
E54003
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Japanese aircraft carrier Ryūjō canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T368803 — 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 Ryūjō Context triple: [Kure Naval Arsenal, notableShipConstructed, Japanese aircraft carrier Ryūjō]
-
A.
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.
-
B.
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.
-
C.
Zuikaku
Zuikaku was a Shōkaku-class fleet aircraft carrier of the Imperial Japanese Navy that fought in major Pacific War battles, including Pearl Harbor and the Battle of the Coral Sea, before being sunk at the Battle of Leyte Gulf.
-
D.
Hiryu
Hiryu was a Japanese aircraft carrier of the Imperial Japanese Navy that played a major role in early Pacific War battles, including the attack on Pearl Harbor and the Battle of Midway.
-
E.
Shokaku
Shokaku was a major World War II Japanese aircraft carrier that played a key role in early Pacific naval battles before being sunk 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 Ryūjō Target entity description: 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.
-
A.
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.
-
B.
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.
-
C.
Zuikaku
Zuikaku was a Shōkaku-class fleet aircraft carrier of the Imperial Japanese Navy that fought in major Pacific War battles, including Pearl Harbor and the Battle of the Coral Sea, before being sunk at the Battle of Leyte Gulf.
-
D.
Hiryu
Hiryu was a Japanese aircraft carrier of the Imperial Japanese Navy that played a major role in early Pacific War battles, including the attack on Pearl Harbor and the Battle of Midway.
-
E.
Shokaku
Shokaku was a major World War II Japanese aircraft carrier that played a key role in early Pacific naval battles before being sunk in 1944.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Imperial Japanese Navy ship
ⓘ
aircraft carrier ⓘ light aircraft carrier ⓘ |
| airGroupSize | about 37 aircraft ⓘ |
| armament |
127 mm dual-purpose guns
ⓘ
25 mm anti-aircraft guns ⓘ |
| beam | about 20.3 meters ⓘ |
| builder |
Mitsubishi Heavy Industries
ⓘ
Mitsubishi Nagasaki shipyard ⓘ
surface form:
Mitsubishi Nagasaki Shipyard
|
| causeOfSinking | air attack by U.S. Navy carrier aircraft ⓘ |
| commissioned | 1933-05-09 ⓘ |
| conflict | World War II ⓘ |
| country |
Japan
ⓘ
surface form:
Empire of Japan
|
| crewComplement | around 900 officers and men ⓘ |
| dateOfSinking | 1942-08-24 ⓘ |
| designedFor | Washington Naval Treaty limitations ⓘ |
| designFeature |
single hangar deck
ⓘ
starboard-side island superstructure ⓘ |
| designIssue | top-heavy and stability problems ⓘ |
| displacementFullLoad | about 12,700 tons ⓘ |
| displacementStandard | about 8,000 tons ⓘ |
| fate | sunk in combat ⓘ |
| laidDown | 1929-11-26 ⓘ |
| launched | 1931-04-02 ⓘ |
| lengthOverall | about 180 meters ⓘ |
| locationOfSinking | north of Guadalcanal ⓘ |
| modernized | 1934–1936 ⓘ |
| modification |
flight deck extended
ⓘ
hull deepened to improve stability ⓘ |
| name | Ryūjō ⓘ |
| nativeName | 龍驤 ⓘ |
| notableFor | extensive early-war carrier operations in the Pacific ⓘ |
| operator | Imperial Japanese Navy ⓘ |
| opponentAtSinking | United States Navy ⓘ |
| participatedIn |
Aleutian Islands campaign
ⓘ
Philippines campaign (1941–1942) ⓘ
surface form:
Attack on the Philippines (1941)
Battle of the Eastern Solomons ⓘ Indian Ocean raid ⓘ
surface form:
Indian Ocean raids (1942)
Dutch East Indies campaign ⓘ
surface form:
Invasion of the Dutch East Indies
Sino-Japanese War (1937–1945) ⓘ
surface form:
Second Sino-Japanese War
|
| propulsion |
6 boilers
ⓘ
steam turbines ⓘ |
| role | carrier air support in China ⓘ |
| serviceEntryContext | pre–World War II Imperial Japanese Navy expansion ⓘ |
| shaftCount | 2 ⓘ |
| shipClass | Ryūjō-class aircraft carrier ⓘ |
| sunkAt | Battle of the Eastern Solomons ⓘ |
| theater | Pacific War ⓘ |
| topSpeed | about 29 knots ⓘ |
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 Ryūjō Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.