Amagi (battlecruiser hull converted to carrier, cancelled after 1923 Great Kantō earthquake)
E897057
Amagi (battlecruiser hull converted to carrier, cancelled after 1923 Great Kantō earthquake) was an Imperial Japanese Navy Amagi-class battlecruiser whose planned conversion into an aircraft carrier was abandoned after earthquake damage rendered the hull unusable.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Amagi (battlecruiser hull converted to carrier, cancelled after 1923 Great Kantō earthquake) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10978811 — 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: Amagi (battlecruiser hull converted to carrier, cancelled after 1923 Great Kantō earthquake) Context triple: [Amagi, confusedWith, Amagi (battlecruiser hull converted to carrier, cancelled after 1923 Great Kantō earthquake)]
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A.
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.
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B.
Japanese carrier Shoho
Japanese carrier Shoho was a light aircraft carrier of the Imperial Japanese Navy in World War II, notable for being the first Japanese carrier sunk during the Battle of the Coral Sea in 1942.
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C.
Japanese carrier Taiho
Japanese carrier Taiho was an advanced Imperial Japanese Navy fleet aircraft carrier, notable as Japan’s first armored-deck carrier and sunk during the Battle of the Philippine Sea in World War II.
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D.
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.
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E.
Japanese carrier Junyo
Japanese carrier Junyo was an Imperial Japanese Navy aircraft carrier that saw extensive service in World War II, including major Pacific engagements before being heavily damaged and rendered inactive late in the war.
- 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: Amagi (battlecruiser hull converted to carrier, cancelled after 1923 Great Kantō earthquake) Target entity description: Amagi (battlecruiser hull converted to carrier, cancelled after 1923 Great Kantō earthquake) was an Imperial Japanese Navy Amagi-class battlecruiser whose planned conversion into an aircraft carrier was abandoned after earthquake damage rendered the hull unusable.
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A.
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.
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B.
Japanese carrier Shoho
Japanese carrier Shoho was a light aircraft carrier of the Imperial Japanese Navy in World War II, notable for being the first Japanese carrier sunk during the Battle of the Coral Sea in 1942.
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C.
Japanese carrier Taiho
Japanese carrier Taiho was an advanced Imperial Japanese Navy fleet aircraft carrier, notable as Japan’s first armored-deck carrier and sunk during the Battle of the Philippine Sea in World War II.
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D.
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.
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E.
Japanese carrier Junyo
Japanese carrier Junyo was an Imperial Japanese Navy aircraft carrier that saw extensive service in World War II, including major Pacific engagements before being heavily damaged and rendered inactive late in the war.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
aircraft carrier
ⓘ
battlecruiser ⓘ planned aircraft carrier ⓘ warship ⓘ warship class ⓘ |
| constructionStatus | cancelled ⓘ |
| conversionFrom | battlecruiser hull ⓘ |
| conversionPlan | battlecruiser-to-aircraft-carrier conversion under Washington Naval Treaty limitations ⓘ |
| country |
Japan
ⓘ
Japan ⓘ Japan ⓘ |
| designedAs |
battlecruiser
ⓘ
battlecruiser class ⓘ |
| designedFor | Imperial Japanese Navy NERFINISHED ⓘ |
| designPeriod | World War I era ⓘ |
| disposition | scrapped ⓘ |
| event | 1923 Great Kantō earthquake NERFINISHED ⓘ |
| hullConditionAfterEarthquake | structurally damaged ⓘ |
| hullUsabilityAfterEarthquake | unusable for completion ⓘ |
| intendedConversion | aircraft carrier ⓘ |
| namedAfter | Mount Amagi NERFINISHED ⓘ |
| operator |
Imperial Japanese Navy
ⓘ
Imperial Japanese Navy ⓘ Imperial Japanese Navy ⓘ |
| originalDesign | Amagi-class battlecruiser NERFINISHED ⓘ |
| partOfClass | Amagi-class battlecruiser NERFINISHED ⓘ |
| reasonForCancellation | damage from the 1923 Great Kantō earthquake ⓘ |
| sisterShipPlanned | Akagi NERFINISHED ⓘ |
| treatyContext | Washington Naval Treaty NERFINISHED ⓘ |
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: Amagi (battlecruiser hull converted to carrier, cancelled after 1923 Great Kantō earthquake) Description of subject: Amagi (battlecruiser hull converted to carrier, cancelled after 1923 Great Kantō earthquake) was an Imperial Japanese Navy Amagi-class battlecruiser whose planned conversion into an aircraft carrier was abandoned after earthquake damage rendered the hull unusable.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
Amagi
→
confusedWith
→
Amagi (battlecruiser hull converted to carrier, cancelled after 1923 Great Kantō earthquake)
ⓘ