Nagato-class battleship
E480569
The Nagato-class battleships were a pair of Japanese dreadnoughts, including the famous Nagato, notable as some of the world’s first battleships armed with 16-inch guns and serving as powerful flagships of the Imperial Japanese Navy.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Nagato-class battleship canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T4859747 — 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: Nagato-class battleship Context triple: [Tosa-class battleship, precededBy, Nagato-class battleship]
-
A.
Shikishima-class battleship
The Shikishima-class battleship was a pair of pre-dreadnought battleships of the Imperial Japanese Navy built in the late 19th century, notable for their role in the Russo-Japanese War.
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B.
Tosa-class battleship
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.
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C.
Fusō-class battleship
The Fusō-class battleship was a pair of Imperial Japanese Navy dreadnoughts built in the 1910s, notable for their heavy armament, distinctive pagoda masts, and service in World War II.
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D.
Fuji-class battleship
The Fuji-class battleships were Japan’s first modern pre-dreadnought battleships, built in Britain in the late 19th century and marking a key step in the Imperial Japanese Navy’s rise as a major naval power.
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E.
Satsuma-class battleship
The Satsuma-class battleship was an early 20th-century class of Imperial Japanese Navy pre-dreadnought/semidreadnought battleships that marked Japan’s first domestically built capital ships and a key step in its emergence as a major naval power.
- 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: Nagato-class battleship Target entity description: The Nagato-class battleships were a pair of Japanese dreadnoughts, including the famous Nagato, notable as some of the world’s first battleships armed with 16-inch guns and serving as powerful flagships of the Imperial Japanese Navy.
-
A.
Shikishima-class battleship
The Shikishima-class battleship was a pair of pre-dreadnought battleships of the Imperial Japanese Navy built in the late 19th century, notable for their role in the Russo-Japanese War.
-
B.
Tosa-class battleship
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.
-
C.
Fusō-class battleship
The Fusō-class battleship was a pair of Imperial Japanese Navy dreadnoughts built in the 1910s, notable for their heavy armament, distinctive pagoda masts, and service in World War II.
-
D.
Fuji-class battleship
The Fuji-class battleships were Japan’s first modern pre-dreadnought battleships, built in Britain in the late 19th century and marking a key step in the Imperial Japanese Navy’s rise as a major naval power.
-
E.
Satsuma-class battleship
The Satsuma-class battleship was an early 20th-century class of Imperial Japanese Navy pre-dreadnought/semidreadnought battleships that marked Japan’s first domestically built capital ships and a key step in its emergence as a major naval power.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
battleship class
ⓘ
dreadnought battleship class ⓘ |
| antiAircraftArmament | multiple light AA guns (varied over time) ⓘ |
| armament | 410 mm (16.1 in) main guns ⓘ |
| armamentType | naval artillery ⓘ |
| armorScheme | all-or-nothing armor layout ⓘ |
| category |
Capital ships of the Imperial Japanese Navy
ⓘ
Dreadnought battleship classes ⓘ World War II battleship classes ⓘ |
| constructionMaterial | steel ⓘ |
| countryOfOrigin |
Empire of Japan
ⓘ
linked to:
Imperial Japan
|
| designedAs | capital ship ⓘ |
| designedBy |
Imperial Japanese Navy technical department
ⓘ
linked to:
Imperial Japanese Navy Technical Department
|
| designedFor | fleet engagements ⓘ |
| designedToCounter | contemporary US and British battleships ⓘ |
| designedUnder | Japanese naval expansion programs of the 1910s ⓘ |
| displacement |
approximately 32,000 tons standard
ⓘ
over 39,000 tons full load after modernization ⓘ |
| era | World War I era design ⓘ |
| fateOfClassMember |
Mutsu exploded and sank in 1943 due to an internal magazine explosion
ⓘ
Nagato survived World War II and was used in Operation Crossroads nuclear tests ⓘ
linked to:
Operation Crossroads
|
| flagshipFor |
Admiral Isoroku Yamamoto (Nagato) before Pearl Harbor
ⓘ
linked to:
Isoroku Yamamoto
|
| hasMember |
Japanese battleship Mutsu
ⓘ
Japanese battleship Nagato ⓘ |
| hullType | steel hull ⓘ |
| mainBatteryConfiguration | 8 × 410 mm guns in 4 twin turrets ⓘ |
| modernizedIn | 1930s ⓘ |
| modification |
enhanced anti-aircraft armament
ⓘ
improved armor protection ⓘ reconstructed superstructure ⓘ upgraded fire-control systems ⓘ |
| navalArchitectureType | all-big-gun battleship ⓘ |
| navalTreatyContext | Washington Naval Treaty era capital ship ⓘ |
| notableFeature | first battleships in the world designed with 16-inch main guns ⓘ |
| notableFor | symbol of Japanese naval power in the interwar period ⓘ |
| numberOfShips | 2 ⓘ |
| operator | Imperial Japanese Navy ⓘ |
| precededBy | Ise-class battleship ⓘ |
| primaryRole | battle line unit ⓘ |
| propulsion |
oil-fired boilers
ⓘ
steam turbines ⓘ |
| secondaryArmament | 140 mm guns ⓘ |
| servicePeriod |
World War II
ⓘ
interwar period ⓘ |
| succeededBy |
Kaga-class battleship (planned as battleships)
ⓘ
Tosa-class battleship ⓘ |
| topSpeed | about 26.5 knots as built ⓘ |
| usedAs | flagship of the Imperial Japanese Navy ⓘ |
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: Nagato-class battleship Description of subject: The Nagato-class battleships were a pair of Japanese dreadnoughts, including the famous Nagato, notable as some of the world’s first battleships armed with 16-inch guns and serving as powerful flagships of the Imperial Japanese Navy.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.