Tosa-class battleship
E108627
The Tosa-class battleship was a planned class of Japanese capital ships in the early 1920s, cancelled under the Washington Naval Treaty and notable for influencing later Imperial Japanese Navy battleship designs.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Tosa-class battleship canonical | 2 |
| Tosa-class battleship hull | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T808498 — 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: Tosa-class battleship Context triple: [Amagi-class battlecruiser, relatedTo, Tosa-class battleship]
-
A.
Yamato-class battleship
The Yamato-class battleships were a pair of World War II Japanese capital ships, including the famed Yamato and Musashi, that were the heaviest and most powerfully armed battleships ever constructed.
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B.
IJN battleship Yamashiro
IJN battleship Yamashiro was a Japanese Fuso-class dreadnought battleship that served in the Imperial Japanese Navy and was sunk during the Battle of Surigao Strait in World War II.
-
C.
Japanese battleship Nagato
The Japanese battleship Nagato was a World War II-era capital ship of the Imperial Japanese Navy, famed as Admiral Isoroku Yamamoto’s flagship during the attack on Pearl Harbor and later used as a target in postwar nuclear tests.
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D.
Japanese battleship Mutsu
Japanese battleship Mutsu was a Nagato-class dreadnought of the Imperial Japanese Navy, notable for its powerful 16-inch guns and its accidental magazine explosion and sinking in 1943.
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E.
Japanese battleship Mikasa
The Japanese battleship Mikasa was a pre-dreadnought battleship that served as Admiral Tōgō Heihachirō’s flagship and played a pivotal role in Japan’s naval victories during the Russo-Japanese 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: Tosa-class battleship Target entity description: The Tosa-class battleship was a planned class of Japanese capital ships in the early 1920s, cancelled under the Washington Naval Treaty and notable for influencing later Imperial Japanese Navy battleship designs.
-
A.
Yamato-class battleship
The Yamato-class battleships were a pair of World War II Japanese capital ships, including the famed Yamato and Musashi, that were the heaviest and most powerfully armed battleships ever constructed.
-
B.
IJN battleship Yamashiro
IJN battleship Yamashiro was a Japanese Fuso-class dreadnought battleship that served in the Imperial Japanese Navy and was sunk during the Battle of Surigao Strait in World War II.
-
C.
Japanese battleship Nagato
The Japanese battleship Nagato was a World War II-era capital ship of the Imperial Japanese Navy, famed as Admiral Isoroku Yamamoto’s flagship during the attack on Pearl Harbor and later used as a target in postwar nuclear tests.
-
D.
Japanese battleship Mutsu
Japanese battleship Mutsu was a Nagato-class dreadnought of the Imperial Japanese Navy, notable for its powerful 16-inch guns and its accidental magazine explosion and sinking in 1943.
-
E.
Japanese battleship Mikasa
The Japanese battleship Mikasa was a pre-dreadnought battleship that served as Admiral Tōgō Heihachirō’s flagship and played a pivotal role in Japan’s naval victories during the Russo-Japanese War.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
battleship class
ⓘ
planned warship class ⓘ |
| antiTorpedoProtection | torpedo defense system in hull design ⓘ |
| armamentType | naval artillery ⓘ |
| armorScheme | all-or-nothing armor ⓘ |
| beltArmorThickness | up to about 280 mm ⓘ |
| cancellationReason |
Washington Naval Conference
ⓘ
surface form:
Washington Naval Treaty
|
| constructionHalted | 1922 ⓘ |
| countryOfOrigin |
Japan
ⓘ
surface form:
Empire of Japan
|
| deckArmorThickness | up to about 100 mm ⓘ |
| designedAs | capital ship ⓘ |
| designedBy | Japanese naval architects ⓘ |
| designedDisplacementClass | super-dreadnought ⓘ |
| designedFor | line-of-battle engagements ⓘ |
| designedSpeed | approximately 26.5 knots ⓘ |
| designGoal |
outgun contemporary foreign battleships
ⓘ
withstand heavy shellfire ⓘ |
| designInfluenceOn |
Amagi-class battlecruiser
ⓘ
Kii-class battleship ⓘ later Yamato-class battleship studies ⓘ |
| displacementPlanned | approximately 39,000 tons standard ⓘ |
| era | interwar period ⓘ |
| followedBy | Kii-class battleship ⓘ |
| gunCaliberClass | 16-inch-class battleship ⓘ |
| hasPlannedShip |
Japanese aircraft carrier Kaga
ⓘ
surface form:
Japanese battleship Kaga
Japanese battleship Tosa ⓘ |
| historicalSignificance | example of capital ship cancelled by naval arms limitation ⓘ |
| influenced | later Imperial Japanese Navy battleship designs ⓘ |
| intendedRole | core of Japanese battle line ⓘ |
| mainBatteryArrangement | 2 twin turrets forward and 3 twin turrets aft ⓘ |
| mainBatteryCaliber | 410 mm guns ⓘ |
| mainBatteryConfiguration | 10 × 410 mm guns in 5 twin turrets ⓘ |
| navalArmsRaceContext | interwar battleship competition ⓘ |
| navalDoctrineContext |
Eight-Eight Fleet Plan
ⓘ
surface form:
Eight-Eight Fleet Program
|
| navalTechnologyContext | transition from World War I to interwar battleship design ⓘ |
| numberOfPlannedShips | 2 ⓘ |
| operator | Imperial Japanese Navy ⓘ |
| plannedShipyard | Japanese naval arsenals ⓘ |
| precededBy | Nagato-class battleship ⓘ |
| propulsionType | steam turbines ⓘ |
| secondaryBatteryType | medium-caliber guns ⓘ |
| status | cancelled ⓘ |
| timePeriod | early 1920s ⓘ |
| treatyContext | Washington Naval Conference ⓘ |
| treatyEffect | scrapping of hulls under construction ⓘ |
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: Tosa-class battleship Description of subject: The Tosa-class battleship was a planned class of Japanese capital ships in the early 1920s, cancelled under the Washington Naval Treaty and notable for influencing later Imperial Japanese Navy battleship designs.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Tosa-class battleship hull