Japanese aircraft carrier Hōshō
E53710
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Japanese aircraft carrier Hōshō canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T368801 — 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 Hōshō Context triple: [Kure Naval Arsenal, notableShipConstructed, Japanese aircraft carrier Hōshō]
-
A.
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.
-
B.
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.
-
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.
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.
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.
- 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 Hōshō Target entity description: 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.
-
A.
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.
-
B.
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.
-
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.
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.
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.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Imperial Japanese Navy ship
ⓘ
aircraft carrier ⓘ warship ⓘ |
| airGroup |
carrier-based bombers
ⓘ
carrier-based fighters ⓘ |
| armament | anti-aircraft guns ⓘ |
| associatedWith |
development of Japanese carrier air groups
ⓘ
early carrier landing experiments with arresting gear ⓘ |
| builder | Yokosuka Naval Arsenal ⓘ |
| commissioned | 1922-12-27 ⓘ |
| countryOfOrigin |
Empire of Japan
ⓘ
linked to:
Japan
|
| crewComplement | approximately 500 officers and men ⓘ |
| designFeature | island structure removed early in service to improve air operations ⓘ |
| displacement | about 7,470 tons standard ⓘ |
| enteredServiceAs | world’s first purpose-built aircraft carrier to enter service ⓘ |
| fate | scrapped ⓘ |
| flag | Naval ensign of the Empire of Japan ⓘ |
| flightDeckType | full-length flight deck ⓘ |
| historicalSignificance |
first commissioned ship designed and built from the keel up as an aircraft carrier
ⓘ
pioneering role in global naval aviation history ⓘ |
| laidDown | 1919-12-16 ⓘ |
| laterUse |
aircraft transport
ⓘ
training carrier ⓘ |
| launched | 1921-11-13 ⓘ |
| length | about 168 meters overall ⓘ |
| maximumSpeed | about 25 knots ⓘ |
| name | Hōshō ⓘ |
| nativeName | 鳳翔 ⓘ |
| navalService | served from early 1920s through World War II ⓘ |
| notableFor |
being the first purpose-built aircraft carrier completed and commissioned
ⓘ
pioneering carrier aviation techniques for Japan ⓘ |
| operator | Imperial Japanese Navy ⓘ |
| participatedIn |
Attack on Pearl Harbor support operations
ⓘ
Battle of Midway (as part of the Japanese fleet) ⓘ
linked to:
Battle of Midway
Pacific War ⓘ Second Sino-Japanese War ⓘ
linked to:
Sino-Japanese War (1937–1945)
|
| pennantNumber | CV-1 ⓘ |
| primaryRole | development of naval aviation for the Imperial Japanese Navy ⓘ |
| propulsion |
4 shafts
ⓘ
steam turbines ⓘ |
| roleInWorldWarII | initially front-line carrier, later training and support ship ⓘ |
| scrappedIn | late 1940s ⓘ |
| servedAs |
platform for developing Japanese carrier doctrine
ⓘ
testbed for carrier landing and takeoff procedures ⓘ |
| shipClass | Hōshō-class aircraft carrier ⓘ |
| statusAfterWorldWarII | disarmed and used for repatriation duties ⓘ |
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 Hōshō Description of subject: 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.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.