Yamato task force
E420031
The Yamato task force was the Japanese naval group centered around the battleship Yamato that undertook the ill-fated Operation Ten-Go near the end of World War II.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Yamato sunk by air attack on 1945-04-07 | 1 |
| Yamato task force canonical | 1 |
| Yamato task force in Operation Ten-Go | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4181407 — 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: Yamato task force Context triple: [Ten-Go, fleet, Yamato task force]
-
A.
Japanese 8th Fleet
The Japanese 8th Fleet was a major Imperial Japanese Navy formation in World War II, primarily responsible for operations in the South Pacific, including the Solomon Islands campaign.
-
B.
Imperial Japanese Navy cruiser force
The Imperial Japanese Navy cruiser force was a key component of Japan’s pre–World War II and World War II naval power, comprising fast, heavily armed cruisers used for scouting, surface combat, and supporting major fleet operations.
-
C.
Battle off Samar
The Battle off Samar was a dramatic World War II naval engagement in October 1944 in which a small, outgunned U.S. escort carrier task unit unexpectedly fought off a much larger Japanese surface fleet near the Philippines.
-
D.
U.S. Navy Task Force 58
U.S. Navy Task Force 58 was a major fast carrier task force of the United States Navy in the Pacific Theater during World War II, known for its pivotal role in large-scale naval and air operations against Japan.
-
E.
Kaigun-shō
Kaigun-shō was the government ministry responsible for administering and overseeing the Imperial Japanese Navy before and during World War II.
- 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: Yamato task force Target entity description: The Yamato task force was the Japanese naval group centered around the battleship Yamato that undertook the ill-fated Operation Ten-Go near the end of World War II.
-
A.
Japanese 8th Fleet
The Japanese 8th Fleet was a major Imperial Japanese Navy formation in World War II, primarily responsible for operations in the South Pacific, including the Solomon Islands campaign.
-
B.
Imperial Japanese Navy cruiser force
The Imperial Japanese Navy cruiser force was a key component of Japan’s pre–World War II and World War II naval power, comprising fast, heavily armed cruisers used for scouting, surface combat, and supporting major fleet operations.
-
C.
Battle off Samar
The Battle off Samar was a dramatic World War II naval engagement in October 1944 in which a small, outgunned U.S. escort carrier task unit unexpectedly fought off a much larger Japanese surface fleet near the Philippines.
-
D.
U.S. Navy Task Force 58
U.S. Navy Task Force 58 was a major fast carrier task force of the United States Navy in the Pacific Theater during World War II, known for its pivotal role in large-scale naval and air operations against Japan.
-
E.
Kaigun-shō
Kaigun-shō was the government ministry responsible for administering and overseeing the Imperial Japanese Navy before and during World War II.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Imperial Japanese Navy formation
ⓘ
naval task force ⓘ |
| associatedWith | Kamikaze strategy shift ⓘ |
| battle | sinking of Yamato ⓘ |
| casualties | heavy Japanese losses ⓘ |
| characterizedAs |
ill-fated mission
ⓘ
near-suicide operation ⓘ |
| commandedBy |
Rear Admiral Keizō Komura
ⓘ
Admiral Seiichi Itō ⓘ
surface form:
Vice Admiral Seiichi Itō
|
| conflict | World War II ⓘ |
| country |
Japan
ⓘ
surface form:
Empire of Japan
|
| departurePort | Tokuyama, Japan ⓘ |
| destinationRegion |
Okinawa Prefecture
ⓘ
surface form:
Okinawa
|
| endDate | 1945-04-07 ⓘ |
| engagedBy | U.S. carrier-based aircraft ⓘ |
| fateOfFlagship |
Yamato task force
self-linksurface differs
ⓘ
surface form:
Yamato sunk by air attack on 1945-04-07
|
| flagship | Japanese battleship Yamato NERFINISHED ⓘ |
| flagshipCommander |
Admiral Seiichi Itō
ⓘ
surface form:
Vice Admiral Seiichi Itō
|
| historicalSignificance |
last major Japanese battleship sortie of World War II
ⓘ
symbol of the end of Japanese capital ship operations ⓘ |
| locationOfEngagement | East China Sea ⓘ |
| notableShip |
Japanese battleship Yamato
NERFINISHED
ⓘ
Japanese destroyer Asashimo NERFINISHED ⓘ Japanese destroyer Hamakaze NERFINISHED ⓘ Japanese destroyer Hatsushimo NERFINISHED ⓘ Japanese destroyer Isokaze NERFINISHED ⓘ Japanese destroyer Kasumi NERFINISHED ⓘ Japanese destroyer Suzutsuki ⓘ Japanese destroyer Yukikaze NERFINISHED ⓘ Japanese light cruiser Yahagi NERFINISHED ⓘ |
| objective |
relief of Japanese forces on Okinawa
ⓘ
suicidal surface attack on Allied invasion fleet off Okinawa ⓘ |
| operatedBy | Imperial Japanese Navy ⓘ |
| operationType | surface naval sortie ⓘ |
| opposedBy | United States Navy ⓘ |
| participatedIn | Operation Ten-Go ⓘ |
| partOf |
Combined Fleet of the Imperial Japanese Navy
ⓘ
surface form:
Japanese Combined Fleet
|
| result |
destruction of most of the task force
ⓘ
failure of Operation Ten-Go ⓘ |
| startDate | 1945-04-06 ⓘ |
| strategicContext | defense of Okinawa against U.S. invasion ⓘ |
| tacticalPlan |
intended beaching of Yamato to act as shore battery
ⓘ
one-way mission with insufficient fuel for return ⓘ |
| theater | Pacific War ⓘ |
| timePeriod | April 1945 ⓘ |
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: Yamato task force Description of subject: The Yamato task force was the Japanese naval group centered around the battleship Yamato that undertook the ill-fated Operation Ten-Go near the end of World War II.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Seiichi Itō
this entity surface form:
Yamato task force in Operation Ten-Go
this entity surface form:
Yamato sunk by air attack on 1945-04-07