Akagi
E1501
Akagi was a prominent Imperial Japanese Navy aircraft carrier that played a major role in early Pacific War operations before being sunk during World War II.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Akagi canonical | 13 |
| Japanese battlecruiser Akagi | 3 |
| Akagi converted to aircraft carrier | 1 |
| Akagi-class aircraft carrier | 1 |
| Japanese aircraft carrier Akagi (reconstruction work) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13948 — 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: Akagi Context triple: [Battle of Midway, involvedShipJapan, Akagi]
-
A.
USS Arizona (BB-39)
USS Arizona (BB-39) was a Pennsylvania-class U.S. Navy battleship whose catastrophic destruction and loss of life during the 1941 Japanese attack on Pearl Harbor made it one of the most iconic symbols of the United States’ entry into World War II.
-
B.
Hinomaru
Hinomaru is the national flag of Japan, featuring a red circle centered on a white field symbolizing the rising sun.
-
C.
Imperial Japanese Navy
The Imperial Japanese Navy was the maritime military force of the Empire of Japan, renowned for its powerful carrier fleet and major role in naval battles across the Pacific during World War II.
-
D.
Blitz
The Blitz was the sustained German bombing campaign against the United Kingdom, particularly London, during 1940–1941 in World War II.
-
E.
Nelson
Nelson is a common English-language surname borne by numerous notable figures across politics, sports, entertainment, and academia.
- 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: Akagi Target entity description: Akagi was a prominent Imperial Japanese Navy aircraft carrier that played a major role in early Pacific War operations before being sunk during World War II.
-
A.
USS Arizona (BB-39)
USS Arizona (BB-39) was a Pennsylvania-class U.S. Navy battleship whose catastrophic destruction and loss of life during the 1941 Japanese attack on Pearl Harbor made it one of the most iconic symbols of the United States’ entry into World War II.
-
B.
Hinomaru
Hinomaru is the national flag of Japan, featuring a red circle centered on a white field symbolizing the rising sun.
-
C.
Imperial Japanese Navy
The Imperial Japanese Navy was the maritime military force of the Empire of Japan, renowned for its powerful carrier fleet and major role in naval battles across the Pacific during World War II.
-
D.
Blitz
The Blitz was the sustained German bombing campaign against the United Kingdom, particularly London, during 1940–1941 in World War II.
-
E.
Nelson
Nelson is a common English-language surname borne by numerous notable figures across politics, sports, entertainment, and academia.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Imperial Japanese Navy ship
ⓘ
aircraft carrier ⓘ |
| aircraftTypeCarried |
Aichi D3A dive bombers
ⓘ
Mitsubishi A6M Zero fighters ⓘ Nakajima B5N torpedo bombers ⓘ |
| airGroupSize | about 90 aircraft at peak ⓘ |
| armament |
127 mm dual-purpose guns
ⓘ
203 mm guns in twin turrets (as built) ⓘ anti-aircraft guns ⓘ |
| builder | Kure Naval Arsenal ⓘ |
| causeOfLoss |
bomb damage from U.S. Navy aircraft
ⓘ
subsequent scuttling by Japanese destroyers ⓘ |
| commissioned | 1927-03-25 ⓘ |
| conversionType | aircraft carrier ⓘ |
| country | Japan ⓘ |
| crewComplement | about 1600 personnel at wartime strength ⓘ |
| dateSunk | 1942-06-05 ⓘ |
| displacement |
about 36500 tons standard
ⓘ
about 42000 tons full load ⓘ |
| era | World War II ⓘ |
| fate | scuttled after damage in battle ⓘ |
| fleetFlagshipOf | First Air Fleet ⓘ |
| hullNumber | CV-1 (informal Western designation) ⓘ |
| laidDown | 1920-12-06 ⓘ |
| launched | 1925-04-22 ⓘ |
| launchedAircraftIn |
attack on Pearl Harbor
ⓘ
surface form:
Attack on Pearl Harbor
Indian Ocean raid ⓘ |
| length | about 260 meters ⓘ |
| locationSunk | northwest of Midway Atoll ⓘ |
| maximumSpeed | about 31.5 knots ⓘ |
| namedAfter | Mount Akagi ⓘ |
| navy | Imperial Japanese Navy ⓘ |
| notableFor | leading role in early Pacific War carrier operations ⓘ |
| operator | Imperial Japanese Navy ⓘ |
| opponentAtMidway | United States Navy ⓘ |
| originalType | Amagi-class battlecruiser ⓘ |
| participatedIn |
attack on Pearl Harbor
ⓘ
surface form:
Attack on Pearl Harbor
Battle of Midway ⓘ Indian Ocean raid ⓘ Invasion of Rabaul ⓘ |
| propulsion |
oil-fired boilers
ⓘ
steam turbines ⓘ |
| reconstructed | 1935–1938 ⓘ |
| role | fleet carrier ⓘ |
| serviceEntryEra | interwar period ⓘ |
| shipClass |
Akagi
self-linksurface differs
ⓘ
surface form:
Akagi-class aircraft carrier
|
| sunkIn | Battle of Midway ⓘ |
| theater | Pacific War ⓘ |
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: Akagi Description of subject: Akagi was a prominent Imperial Japanese Navy aircraft carrier that played a major role in early Pacific War operations before being sunk during World War II.
Referenced by (19)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Akagi-class aircraft carrier
this entity surface form:
Japanese aircraft carrier Akagi (reconstruction work)
this entity surface form:
Japanese battlecruiser Akagi
this entity surface form:
Akagi converted to aircraft carrier
subject surface form:
Nakajima B5N
this entity surface form:
Japanese battlecruiser Akagi
this entity surface form:
Japanese battlecruiser Akagi
subject surface form:
Mitsubishi A5M