Nagara-class cruiser
E590361
The Nagara-class cruiser was a group of Imperial Japanese Navy light cruisers built in the early 1920s, known for their high speed, relatively light armor, and extensive service throughout the Pacific War in World War II.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Nagara-class cruiser canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T6403191 — 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: Nagara-class cruiser Context triple: [Japanese light cruiser Nagara, class, Nagara-class cruiser]
-
A.
Mogami-class cruiser
The Mogami-class cruiser was a class of Japanese warships built in the 1930s that were initially designed as light cruisers but later upgunned to heavy cruisers, serving prominently in the Imperial Japanese Navy during World War II.
-
B.
Kolkata-class destroyer
The Kolkata-class destroyer is a class of advanced stealth-guided missile destroyers serving as major surface combatants in the Indian Navy, designed for multi-role operations including air defense, anti-surface, and anti-submarine warfare.
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C.
Takao-class cruiser
The Takao-class cruiser was a group of large, heavily armed and fast Japanese heavy cruisers built for the Imperial Japanese Navy in the interwar period and active during World War II.
-
D.
Buyan-class corvette
The Buyan-class corvette is a class of small, Russian Navy missile-armed warships designed for littoral operations and capable of launching long-range cruise missiles.
-
E.
Drake-class cruiser
The Drake-class cruiser was a group of large armored cruisers built for the British Royal Navy in the early 20th century, designed for long-range patrol and protection of maritime trade routes.
- 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: Nagara-class cruiser Target entity description: The Nagara-class cruiser was a group of Imperial Japanese Navy light cruisers built in the early 1920s, known for their high speed, relatively light armor, and extensive service throughout the Pacific War in World War II.
-
A.
Mogami-class cruiser
The Mogami-class cruiser was a class of Japanese warships built in the 1930s that were initially designed as light cruisers but later upgunned to heavy cruisers, serving prominently in the Imperial Japanese Navy during World War II.
-
B.
Kolkata-class destroyer
The Kolkata-class destroyer is a class of advanced stealth-guided missile destroyers serving as major surface combatants in the Indian Navy, designed for multi-role operations including air defense, anti-surface, and anti-submarine warfare.
-
C.
Takao-class cruiser
The Takao-class cruiser was a group of large, heavily armed and fast Japanese heavy cruisers built for the Imperial Japanese Navy in the interwar period and active during World War II.
-
D.
Buyan-class corvette
The Buyan-class corvette is a class of small, Russian Navy missile-armed warships designed for littoral operations and capable of launching long-range cruise missiles.
-
E.
Drake-class cruiser
The Drake-class cruiser was a group of large armored cruisers built for the British Royal Navy in the early 20th century, designed for long-range patrol and protection of maritime trade routes.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Imperial Japanese Navy ship class
ⓘ
light cruiser ⓘ light cruiser class ⓘ |
| armamentMainGuns | 7 × 140 mm guns ⓘ |
| armamentTorpedoes | 610 mm torpedo tubes ⓘ |
| armorType | light armor ⓘ |
| class |
Nagara-class cruiser
NERFINISHED
ⓘ
Nagara-class cruiser NERFINISHED ⓘ Nagara-class cruiser NERFINISHED ⓘ Nagara-class cruiser NERFINISHED ⓘ Nagara-class cruiser NERFINISHED ⓘ Nagara-class cruiser NERFINISHED ⓘ |
| commissionedYear | 1922 ⓘ |
| conflict |
Pacific War
ⓘ
World War II ⓘ |
| countryOfOrigin | Empire of Japan NERFINISHED ⓘ |
| designedAs | flotilla leader ⓘ |
| displacementStandard | approximately 5700 tons ⓘ |
| era | interwar period ⓘ |
| fate | sunk in World War II ⓘ |
| followedBy | Sendai-class cruiser NERFINISHED ⓘ |
| hasPart |
IJN Abukuma
NERFINISHED
ⓘ
IJN Isuzu NERFINISHED ⓘ IJN Kinu NERFINISHED ⓘ IJN Nagara NERFINISHED ⓘ IJN Natori NERFINISHED ⓘ IJN Yura NERFINISHED ⓘ |
| laidDownYear | 1920 ⓘ |
| length | approximately 162 meters ⓘ |
| maximumSpeed | approximately 36 knots ⓘ |
| nameShip | IJN Nagara NERFINISHED ⓘ |
| notableFeature |
converted to dedicated anti-aircraft cruiser
ⓘ
extensive wartime modifications ⓘ high speed for its time ⓘ |
| operator |
Imperial Japanese Navy
ⓘ
Imperial Japanese Navy ⓘ Imperial Japanese Navy ⓘ |
| precededBy | Kuma-class cruiser NERFINISHED ⓘ |
| primaryRole | destroyer squadron flagship ⓘ |
| propulsion |
oil-fired boilers
ⓘ
steam turbines ⓘ |
| serviceEntryYear | 1922 ⓘ |
| shaftCount | 4 ⓘ |
| shipCount | 6 ⓘ |
| usedAs |
convoy escort
ⓘ
torpedo attack platform ⓘ transport and support ship ⓘ |
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: Nagara-class cruiser Description of subject: The Nagara-class cruiser was a group of Imperial Japanese Navy light cruisers built in the early 1920s, known for their high speed, relatively light armor, and extensive service throughout the Pacific War in World War II.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.