heavy cruiser Chōkai
E209459
Heavy cruiser Chōkai was a Takao-class Imperial Japanese Navy warship that saw extensive action in the Pacific during World War II, including major engagements such as the Battle of Savo Island and the Battle of Leyte Gulf.
All labels observed (2)
| Label | Occurrences |
|---|---|
| heavy cruiser Chōkai canonical | 3 |
| heavy cruiser Chokai | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1806770 — 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: heavy cruiser Chōkai Context triple: [Second Fleet (Imperial Japanese Navy), notableShipAssigned, heavy cruiser Chōkai]
-
A.
heavy cruiser Mikuma
The heavy cruiser Mikuma was an Imperial Japanese Navy warship of the Mogami class that saw early World War II service before being sunk during the pivotal Battle of Midway in 1942.
-
B.
Japanese heavy cruiser Atago
The Japanese heavy cruiser Atago was a Takao-class warship of the Imperial Japanese Navy that served as a major surface combatant in numerous Pacific Theater engagements during World War II.
-
C.
Japanese heavy cruiser Takao
Japanese heavy cruiser Takao was a powerful and heavily armed Takao-class cruiser of the Imperial Japanese Navy that saw extensive action in the Pacific during World War II.
-
D.
Japanese cruiser Aoba
Japanese cruiser Aoba was a World War II Imperial Japanese Navy heavy cruiser that saw extensive combat in the Pacific, including major early-war engagements against Allied naval forces.
-
E.
Japanese battlecruiser Atago
Japanese battlecruiser Atago was a planned but never completed Amagi-class capital ship of the Imperial Japanese Navy intended to serve as a fast, heavily armed battlecruiser in the interwar period.
- 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: heavy cruiser Chōkai Target entity description: Heavy cruiser Chōkai was a Takao-class Imperial Japanese Navy warship that saw extensive action in the Pacific during World War II, including major engagements such as the Battle of Savo Island and the Battle of Leyte Gulf.
-
A.
heavy cruiser Mikuma
The heavy cruiser Mikuma was an Imperial Japanese Navy warship of the Mogami class that saw early World War II service before being sunk during the pivotal Battle of Midway in 1942.
-
B.
Japanese heavy cruiser Atago
The Japanese heavy cruiser Atago was a Takao-class warship of the Imperial Japanese Navy that served as a major surface combatant in numerous Pacific Theater engagements during World War II.
-
C.
Japanese heavy cruiser Takao
Japanese heavy cruiser Takao was a powerful and heavily armed Takao-class cruiser of the Imperial Japanese Navy that saw extensive action in the Pacific during World War II.
-
D.
Japanese cruiser Aoba
Japanese cruiser Aoba was a World War II Imperial Japanese Navy heavy cruiser that saw extensive combat in the Pacific, including major early-war engagements against Allied naval forces.
-
E.
Japanese battlecruiser Atago
Japanese battlecruiser Atago was a planned but never completed Amagi-class capital ship of the Imperial Japanese Navy intended to serve as a fast, heavily armed battlecruiser in the interwar period.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Imperial Japanese Navy warship
ⓘ
Takao-class heavy cruiser ⓘ World War II warship ⓘ |
| aircraftFacilities | catapults for floatplanes ⓘ |
| beam | approximately 20.4 m ⓘ |
| builder | Mitsubishi Heavy Industries ⓘ |
| causeOfLoss | bomb and shell damage followed by scuttling ⓘ |
| class | Takao-class cruiser ⓘ |
| commissioned | 1932-06-30 ⓘ |
| conflict | World War II ⓘ |
| country |
Japan
ⓘ
surface form:
Empire of Japan
|
| crewComplement | approximately 700–800 ⓘ |
| dateSunk | 1944-10-25 ⓘ |
| displacementFullLoad | approximately 15000 tons ⓘ |
| displacementStandard | approximately 9850 tons ⓘ |
| draft | approximately 6.1 m ⓘ |
| era | interwar period and World War II ⓘ |
| fate | sunk in the Battle off Samar ⓘ |
| fleetAssignment |
Cruiser Division 4
ⓘ
Fifth Fleet ⓘ
surface form:
Eighth Fleet
|
| laidDown | 1928-03-26 ⓘ |
| launched | 1931-04-05 ⓘ |
| length | approximately 203.8 m ⓘ |
| locationSunk | off Samar, Philippines ⓘ |
| mainBattery | 10 × 203 mm guns ⓘ |
| mainBatteryConfiguration | 5 twin turrets ⓘ |
| namedAfter | Mount Chōkai ⓘ |
| notableAction |
engaged Allied cruisers at Savo Island
ⓘ
fired Type 93 torpedoes at Allied forces ⓘ |
| operator | Imperial Japanese Navy ⓘ |
| participatedIn |
Battle of Cape Esperance
ⓘ
surface form:
Battle of Cape Esperance (area operations)
Battle of Leyte Gulf ⓘ Battle of Savo Island ⓘ Battle of the Eastern Solomons ⓘ Battle of the Philippine Sea ⓘ Battle off Samar ⓘ Naval Battle of Guadalcanal ⓘ
surface form:
Naval Battle of Guadalcanal (operations)
|
| propulsion |
oil-fired boilers
ⓘ
steam turbines ⓘ |
| roleAtSavoIsland | flagship of Vice Admiral Gunichi Mikawa ⓘ |
| scuttledBy | Japanese destroyer Fujinami ⓘ |
| secondaryArmament | 127 mm dual-purpose guns ⓘ |
| shaftCount | 4 ⓘ |
| shipyard |
Mitsubishi Nagasaki shipyard
ⓘ
surface form:
Mitsubishi Nagasaki Shipyard
|
| status | shipwreck ⓘ |
| theater | Pacific War ⓘ |
| topSpeed | approximately 35 knots ⓘ |
| torpedoArmament | 610 mm Type 93 torpedo tubes ⓘ |
| torpedoType |
Type 93 Long Lance torpedo
ⓘ
surface form:
Type 93 "Long Lance"
|
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: heavy cruiser Chōkai Description of subject: Heavy cruiser Chōkai was a Takao-class Imperial Japanese Navy warship that saw extensive action in the Pacific during World War II, including major engagements such as the Battle of Savo Island and the Battle of Leyte Gulf.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Second Fleet (Imperial Japanese Navy)
this entity surface form:
heavy cruiser Chokai
this entity surface form:
heavy cruiser Chokai