CV-2
E254518
CV-2 refers to the Imperial Japanese Navy aircraft carrier Hiryū, a key fleet carrier that participated in major early Pacific War battles before being sunk at Midway in 1942.
All labels observed (1)
| Label | Occurrences |
|---|---|
| CV-2 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2293694 — 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: CV-2 Context triple: [Hiryu, hullNumber, CV-2]
-
A.
ECV-197
ECV-197 is the exploratory Union starship at the center of the science fiction television series "The Orville."
-
B.
LRV-2
LRV-2 was the second Lunar Roving Vehicle used by NASA astronauts to explore the Moon’s surface during the Apollo program.
-
C.
Leqembi
Leqembi is an Alzheimer’s disease drug (lecanemab) that targets amyloid-beta plaques to slow cognitive decline in early-stage patients.
-
D.
MHV
MHV is the IATA airport code for Mojave Air and Space Port, a well-known aerospace testing and flight facility in Mojave, California.
-
E.
Ciwidey
Ciwidey is a highland area in southern Bandung, Indonesia, known for its cool climate, tea plantations, and popular natural attractions such as crater lakes and hot springs.
- 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: CV-2 Target entity description: CV-2 refers to the Imperial Japanese Navy aircraft carrier Hiryū, a key fleet carrier that participated in major early Pacific War battles before being sunk at Midway in 1942.
-
A.
ECV-197
ECV-197 is the exploratory Union starship at the center of the science fiction television series "The Orville."
-
B.
LRV-2
LRV-2 was the second Lunar Roving Vehicle used by NASA astronauts to explore the Moon’s surface during the Apollo program.
-
C.
Leqembi
Leqembi is an Alzheimer’s disease drug (lecanemab) that targets amyloid-beta plaques to slow cognitive decline in early-stage patients.
-
D.
MHV
MHV is the IATA airport code for Mojave Air and Space Port, a well-known aerospace testing and flight facility in Mojave, California.
-
E.
Ciwidey
Ciwidey is a highland area in southern Bandung, Indonesia, known for its cool climate, tea plantations, and popular natural attractions such as crater lakes and hot springs.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Imperial Japanese Navy ship
ⓘ
aircraft carrier ⓘ fleet carrier ⓘ |
| aircraftLaunchedAt |
Battle of Midway
ⓘ
surface form:
Midway attack
attack on Pearl Harbor ⓘ
surface form:
Pearl Harbor attack
|
| airGroupSizeEarlyWar | about 70 aircraft ⓘ |
| airGroupType |
dive bombers
ⓘ
fighters ⓘ torpedo bombers ⓘ |
| armament |
127 mm dual-purpose guns
ⓘ
25 mm anti-aircraft guns ⓘ |
| attackedByAircraftFrom |
USS Enterprise (CV-6)
ⓘ
surface form:
USS Enterprise
USS Yorktown ⓘ |
| beam | 22.3 m ⓘ |
| builder | Yokosuka Naval Arsenal ⓘ |
| causeOfSinking | U.S. carrier air attack ⓘ |
| commandedBy |
Captain Tomeo Kaku
ⓘ
Rear Admiral Tamon Yamaguchi ⓘ |
| commissionedOn | 1939-07-05 ⓘ |
| country |
Japan
ⓘ
surface form:
Empire of Japan
|
| crewComplement | about 1200 officers and men ⓘ |
| dateSunk | 1942-06-05 ⓘ |
| displacementFullLoad | about 20000 tons ⓘ |
| displacementStandard | about 17000 tons ⓘ |
| fate | scuttled after heavy damage ⓘ |
| flagshipOf |
2nd Carrier Division
ⓘ
surface form:
Second Carrier Division
|
| hasName | Hiryū ⓘ |
| hasNameMeaning | Flying Dragon ⓘ |
| homePort |
Imperial Japanese Navy Kure Naval District
ⓘ
surface form:
Kure Naval District
|
| laidDownOn | 1936-07-08 ⓘ |
| launchedOn | 1937-11-16 ⓘ |
| lengthOverall | 227.5 m ⓘ |
| locationSunk | northwest of Midway Atoll ⓘ |
| maximumSpeed | 34 knots ⓘ |
| navalTheater | Pacific War ⓘ |
| notableFor | participation in early Pacific War carrier operations ⓘ |
| operatedBy | Imperial Japanese Navy ⓘ |
| precededBy | Sōryū ⓘ |
| propulsion |
4 shafts
ⓘ
steam turbines ⓘ |
| shipClass |
Hiryū-class aircraft carrier
ⓘ
surface form:
Hiryū-class
|
| shipType | aircraft carrier ⓘ |
| sisterShipOf | Sōryū ⓘ |
| sunkAtBattle | Battle of Midway ⓘ |
| tookPartIn |
attack on Pearl Harbor
ⓘ
surface form:
Attack on Pearl Harbor
Battle of Midway ⓘ Indian Ocean raid ⓘ
surface form:
Indian Ocean Raid
Japanese occupation of Wake Island ⓘ
surface form:
Invasion of Wake Island
Solomon Islands campaign ⓘ
surface form:
Operations in the South Pacific 1942
|
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: CV-2 Description of subject: CV-2 refers to the Imperial Japanese Navy aircraft carrier Hiryū, a key fleet carrier that participated in major early Pacific War battles before being sunk at Midway in 1942.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.