Japanese battlecruiser Amagi
E101580
Japanese battlecruiser Amagi was a planned Imperial Japanese Navy capital ship of the Amagi class that was never completed and later scrapped after being damaged in the 1923 Great Kantō earthquake.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Japanese battlecruiser Amagi canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T808473 — 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 battlecruiser Amagi Context triple: [Amagi-class battlecruiser, hasPlannedShip, Japanese battlecruiser Amagi]
-
A.
Japanese cruiser Aoba
Japanese cruiser Aoba was a World War II Imperial Japanese Navy heavy cruiser that saw extensive combat in the Pacific, including major early-war engagements against Allied naval forces.
-
B.
Japanese cruiser Yubari
Japanese cruiser Yubari was an experimental light cruiser of the Imperial Japanese Navy, notable for its innovative design that influenced later Japanese warships and for its active service in several major Pacific War engagements.
-
C.
Japanese cruiser Tenryu
Japanese cruiser Tenryu was a World War II Imperial Japanese Navy light cruiser that participated in several early Pacific War engagements, including the Guadalcanal campaign.
-
D.
Japanese battleship Shikishima
Japanese battleship Shikishima was a pre-dreadnought warship of the Imperial Japanese Navy that played a significant role in the Russo-Japanese War, including major fleet engagements.
-
E.
Japanese cruiser Kako
Japanese cruiser Kako was an Imperial Japanese Navy Furutaka-class heavy cruiser that served in the early Pacific campaigns of World War II before being sunk by a U.S. submarine shortly after participating in the Battle of Savo Island.
- 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 battlecruiser Amagi Target entity description: Japanese battlecruiser Amagi was a planned Imperial Japanese Navy capital ship of the Amagi class that was never completed and later scrapped after being damaged in the 1923 Great Kantō earthquake.
-
A.
Japanese cruiser Aoba
Japanese cruiser Aoba was a World War II Imperial Japanese Navy heavy cruiser that saw extensive combat in the Pacific, including major early-war engagements against Allied naval forces.
-
B.
Japanese cruiser Yubari
Japanese cruiser Yubari was an experimental light cruiser of the Imperial Japanese Navy, notable for its innovative design that influenced later Japanese warships and for its active service in several major Pacific War engagements.
-
C.
Japanese cruiser Tenryu
Japanese cruiser Tenryu was a World War II Imperial Japanese Navy light cruiser that participated in several early Pacific War engagements, including the Guadalcanal campaign.
-
D.
Japanese battleship Shikishima
Japanese battleship Shikishima was a pre-dreadnought warship of the Imperial Japanese Navy that played a significant role in the Russo-Japanese War, including major fleet engagements.
-
E.
Japanese cruiser Kako
Japanese cruiser Kako was an Imperial Japanese Navy Furutaka-class heavy cruiser that served in the early Pacific campaigns of World War II before being sunk by a U.S. submarine shortly after participating in the Battle of Savo Island.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
battlecruiser
ⓘ
planned warship ⓘ |
| construction | suspended after earthquake damage ⓘ |
| constructionSite | Yokosuka Naval Arsenal ⓘ |
| contemporaryWith | Kongō-class battlecruiser ⓘ |
| conversionStatus | not converted due to earthquake damage ⓘ |
| country | Japan ⓘ |
| designedAs | fast capital ship ⓘ |
| designedAsConversionCandidate | aircraft carrier (after Washington Naval Treaty) ⓘ |
| designedBy | Imperial Japanese Navy Technical Department ⓘ |
| designedDisplacement | over 40,000 tons (standard) ⓘ |
| designedFor |
Eight-Eight Fleet Plan
ⓘ
surface form:
Eight-Eight Fleet Program
|
| designedOpponents |
Royal Navy capital ships
ⓘ
United States Navy capital ships ⓘ |
| designedRange | long-range Pacific operations ⓘ |
| designedSpeed | approximately 30 knots ⓘ |
| designedSuccessorOf | Kongō-class battlecruiser ⓘ |
| era | World War I era ⓘ |
| event | damaged in the 1923 Great Kantō earthquake ⓘ |
| fate | scrapped after earthquake damage ⓘ |
| geographicCountryOfConstruction | Japan ⓘ |
| hasLanguageOfName | Japanese ⓘ |
| hullMaterial | steel ⓘ |
| influencedBy | World War I naval lessons ⓘ |
| intendedRole | battlecruiser ⓘ |
| intendedUse |
engage enemy capital ships
ⓘ
fleet flagship potential ⓘ support carrier operations (projected) ⓘ |
| locationDuringEarthquake | Yokosuka Naval Arsenal ⓘ |
| namedAfter | Mount Amagi ⓘ |
| nameLanguage | Japanese ⓘ |
| navalProgram |
Eight-Eight Fleet Plan
ⓘ
surface form:
Eight-Eight Fleet Program
|
| navalTreatyContext |
Washington Naval Conference
ⓘ
surface form:
Washington Naval Treaty era
|
| operator | Imperial Japanese Navy ⓘ |
| partOfClass | Amagi-class battlecruiser ⓘ |
| plannedArmament |
410 mm naval guns
ⓘ
secondary battery of smaller guns ⓘ |
| plannedArmour |
armoured belt
ⓘ
armoured decks ⓘ |
| propulsion |
oil-fired boilers
ⓘ
steam turbines ⓘ |
| reasonForNotCompletion | damage from the 1923 Great Kantō earthquake ⓘ |
| relatedShipClass | Tosa-class battleship ⓘ |
| scrappedAfter |
Great Kanto earthquake
ⓘ
surface form:
1923 Great Kantō earthquake
|
| scrappingReason | structural damage beyond economic repair ⓘ |
| shipClassCount | four planned ships in Amagi class ⓘ |
| shipType | capital ship ⓘ |
| status |
never completed
ⓘ
scrapped ⓘ |
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 battlecruiser Amagi Description of subject: Japanese battlecruiser Amagi was a planned Imperial Japanese Navy capital ship of the Amagi class that was never completed and later scrapped after being damaged in the 1923 Great Kantō earthquake.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.