Ryujo
E877105
Ryujo was a light aircraft carrier of the Imperial Japanese Navy that served in the early stages of World War II before being sunk in the Battle of the Eastern Solomons in 1942.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T9765532 — 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: Ryujo Context triple: [Soryu, precededBy, Ryujo]
-
A.
Rijō
Rijō is the Japanese feudal-era castle in Hiroshima, historically the seat of the powerful Hiroshima Domain and a notable example of a flatland castle.
-
B.
Keiyo
Keiyo is a Southern Nilotic language spoken primarily by the Keiyo people of Kenya’s Rift Valley region.
-
C.
Seishirō
Seishirō is a Japanese given name commonly used for male individuals.
-
D.
Shimotsuki
Shimotsuki was a Japanese destroyer of the Imperial Japanese Navy that served in World War II before being sunk in late 1944.
-
E.
Katsuragi
Katsuragi is a city in Japan known for its location in Nara Prefecture and its historical and cultural ties to the ancient Yamato region.
- 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: Ryujo Target entity description: Ryujo was a light aircraft carrier of the Imperial Japanese Navy that served in the early stages of World War II before being sunk in the Battle of the Eastern Solomons in 1942.
-
A.
Rijō
Rijō is the Japanese feudal-era castle in Hiroshima, historically the seat of the powerful Hiroshima Domain and a notable example of a flatland castle.
-
B.
Keiyo
Keiyo is a Southern Nilotic language spoken primarily by the Keiyo people of Kenya’s Rift Valley region.
-
C.
Seishirō
Seishirō is a Japanese given name commonly used for male individuals.
-
D.
Shimotsuki
Shimotsuki was a Japanese destroyer of the Imperial Japanese Navy that served in World War II before being sunk in late 1944.
-
E.
Katsuragi
Katsuragi is a city in Japan known for its location in Nara Prefecture and its historical and cultural ties to the ancient Yamato region.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Imperial Japanese Navy ship
ⓘ
aircraft carrier ⓘ light aircraft carrier ⓘ |
| aircraftRole |
dive bomber operations
ⓘ
fighter operations ⓘ torpedo bomber operations ⓘ |
| airGroupType | carrier-based aircraft ⓘ |
| armament |
anti-aircraft guns
ⓘ
dual-purpose guns ⓘ |
| builtFor | Imperial Japanese Navy NERFINISHED ⓘ |
| builtIn | Japan NERFINISHED ⓘ |
| category | Japanese aircraft carriers of World War II ⓘ |
| commissioned | 1933 ⓘ |
| conflict |
Sino-Japanese War (1937–1945)
ⓘ
surface form:
Second Sino-Japanese War
World War II ⓘ |
| country |
Japan
ⓘ
surface form:
Empire of Japan
|
| crewComplement | approximately 900 officers and men ⓘ |
| designConstraint |
London Naval Treaty limitations
NERFINISHED
ⓘ
Washington Naval Treaty limitations ⓘ |
| designedAs | small treaty-compliant carrier ⓘ |
| displacement | approximately 10,000 tons standard ⓘ |
| engagedBy | United States Navy aircraft NERFINISHED ⓘ |
| era |
World War II
ⓘ
interwar period ⓘ |
| fate | sunk in battle ⓘ |
| isLeadShipOf | Ryujo-class aircraft carrier NERFINISHED ⓘ |
| laidDown | 1929 ⓘ |
| launched | 1931 ⓘ |
| militaryBranch | Japanese Navy NERFINISHED ⓘ |
| navalTheater | Pacific Ocean NERFINISHED ⓘ |
| notableEvent | lost to U.S. carrier aircraft in 1942 ⓘ |
| operator | Imperial Japanese Navy ⓘ |
| participatedIn |
Battle of the Eastern Solomons
NERFINISHED
ⓘ
Second Sino-Japanese War NERFINISHED ⓘ early Pacific War operations ⓘ |
| propulsion |
oil-fired boilers
ⓘ
steam turbines ⓘ |
| serviceEntry | 1933 ⓘ |
| shipClass | Ryujo-class aircraft carrier NERFINISHED ⓘ |
| status | war loss ⓘ |
| sunk | 1942 ⓘ |
| sunkDate | 24 August 1942 ⓘ |
| sunkDuring | World War II NERFINISHED ⓘ |
| sunkIn | Battle of the Eastern Solomons NERFINISHED ⓘ |
| type | warship ⓘ |
| usedIn |
Indian Ocean operations
ⓘ
invasion of the Philippines (1941) ⓘ operations in the Dutch East Indies ⓘ |
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: Ryujo Description of subject: Ryujo was a light aircraft carrier of the Imperial Japanese Navy that served in the early stages of World War II before being sunk in the Battle of the Eastern Solomons in 1942.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Soryu
subject surface form:
Mitsubishi A5M
subject surface form:
Mitsubishi A5M
this entity surface form:
Zuiho