Operation A-Go
E489686
Operation A-Go was the Imperial Japanese Navy’s 1944 defensive strategy and fleet operation intended to deliver a decisive blow to U.S. forces in the central Pacific, culminating in the Battle of the Philippine Sea.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Operation A-Go canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5058447 — 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: Operation A-Go Context triple: [Combined Fleet of the Imperial Japanese Navy, notableOperation, Operation A-Go]
-
A.
Operation AL
Operation AL was a World War II Japanese naval operation closely associated with the Midway campaign, aimed at diverting U.S. forces by attacking the Aleutian Islands in Alaska.
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B.
Operation Aider
Operation Aider was a significant military offensive conducted during the Eritrean–Ethiopian War, notable for its large-scale engagements and impact on the conflict’s outcome.
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C.
Operation Z
Operation Z was the Imperial Japanese Navy’s codename for the 1941 carrier-based attack plan on Pearl Harbor that launched Japan into war with the United States in World War II.
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D.
Operation T
Operation T was the codename for the World War II Battle of Tornio, a Finnish-German engagement in northern Finland during the Lapland War.
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E.
Operation Nekka
Operation Nekka was a 1933 Japanese Kwantung Army military campaign that led to the occupation of Rehe (Jehol) province and further consolidated Japan’s control over northern China.
- 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: Operation A-Go Target entity description: Operation A-Go was the Imperial Japanese Navy’s 1944 defensive strategy and fleet operation intended to deliver a decisive blow to U.S. forces in the central Pacific, culminating in the Battle of the Philippine Sea.
-
A.
Operation AL
Operation AL was a World War II Japanese naval operation closely associated with the Midway campaign, aimed at diverting U.S. forces by attacking the Aleutian Islands in Alaska.
-
B.
Operation Aider
Operation Aider was a significant military offensive conducted during the Eritrean–Ethiopian War, notable for its large-scale engagements and impact on the conflict’s outcome.
-
C.
Operation Z
Operation Z was the Imperial Japanese Navy’s codename for the 1941 carrier-based attack plan on Pearl Harbor that launched Japan into war with the United States in World War II.
-
D.
Operation T
Operation T was the codename for the World War II Battle of Tornio, a Finnish-German engagement in northern Finland during the Lapland War.
-
E.
Operation Nekka
Operation Nekka was a 1933 Japanese Kwantung Army military campaign that led to the occupation of Rehe (Jehol) province and further consolidated Japan’s control over northern China.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
World War II operation
ⓘ
military operation ⓘ naval operation ⓘ |
| alsoKnownAs |
A-Go Sakusen
NERFINISHED
ⓘ
A-Gō Sakusen NERFINISHED ⓘ |
| commandedBy | Admiral Jisaburō Ozawa NERFINISHED ⓘ |
| conflict | World War II ⓘ |
| consequence |
heavy losses of Japanese carrier aircraft
ⓘ
irreversible weakening of Japanese naval air power ⓘ |
| country |
Japan
ⓘ
surface form:
Empire of Japan
|
| culminatedIn | Battle of the Philippine Sea NERFINISHED ⓘ |
| designedTo | lure U.S. carrier forces into a decisive engagement ⓘ |
| goal |
defend the Mariana Islands
ⓘ
deliver a decisive blow to U.S. naval forces in the central Pacific ⓘ destroy U.S. fast carrier task forces ⓘ |
| historicalSignificance | marked the effective end of Japan’s ability to conduct large-scale carrier operations ⓘ |
| involvedAsset |
Japanese aircraft carriers
ⓘ
Japanese battleships ⓘ Japanese land-based naval air units ⓘ |
| involvedUnit |
First Mobile Fleet
NERFINISHED
ⓘ
Japanese Mobile Fleet NERFINISHED ⓘ |
| location |
Mariana Islands region
NERFINISHED
ⓘ
Philippine Sea NERFINISHED ⓘ |
| operator | Imperial Japanese Navy ⓘ |
| opponent |
United States Armed Forces
NERFINISHED
ⓘ
United States Navy NERFINISHED ⓘ |
| outcomeForJapan | strategic failure ⓘ |
| outcomeForUnitedStates | secured air and sea superiority in the Marianas ⓘ |
| partOf |
Japanese Central Pacific defensive plan
ⓘ
Japanese defense of the Marianas ⓘ |
| planningAuthority | Imperial Japanese Navy General Staff NERFINISHED ⓘ |
| precededBy | earlier Japanese Z-Plan concepts ⓘ |
| relatedBattle |
Battle of the Marianas
NERFINISHED
ⓘ
Battle of the Philippine Sea NERFINISHED ⓘ |
| relatedConcept | Japanese decisive battle doctrine ⓘ |
| result |
Japanese defeat
ⓘ
failure to stop U.S. advance in the Marianas ⓘ |
| startDate | 1944-06 ⓘ |
| status | completed ⓘ |
| strategyType |
decisive battle strategy
ⓘ
defensive strategy ⓘ |
| theater |
Central Pacific
NERFINISHED
ⓘ
Pacific War ⓘ |
| timePeriod | June 1944 ⓘ |
| triggeredBy | U.S. invasion of the Marianas ⓘ |
| year | 1944 ⓘ |
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: Operation A-Go Description of subject: Operation A-Go was the Imperial Japanese Navy’s 1944 defensive strategy and fleet operation intended to deliver a decisive blow to U.S. forces in the central Pacific, culminating in the Battle of the Philippine Sea.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.