Essex class
E355032
The Essex class was a highly successful World War II-era U.S. Navy aircraft carrier class that formed the backbone of American carrier operations in the Pacific.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Essex class canonical | 20 |
| Essex-class carrier program | 1 |
| Essex-class modernization programs | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3397339 — 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: Essex class Context triple: [Yorktown class, followedBy, Essex class]
-
A.
Lexington class
The Lexington class was a pair of early U.S. Navy aircraft carriers, originally laid down as battlecruisers, that played a key role in developing American carrier aviation between the World Wars and during the early years of World War II.
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B.
Yorktown class
The Yorktown class was a group of U.S. Navy aircraft carriers built in the late 1930s that played a pivotal role in early World War II Pacific naval battles.
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C.
Forrestal class
The Forrestal class was a group of pioneering U.S. Navy supercarriers introduced in the 1950s that set the standard for modern aircraft carrier design and operations.
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D.
Ohio class
The Ohio class is a series of U.S. Navy nuclear-powered ballistic missile submarines designed primarily for strategic nuclear deterrence.
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E.
New York-class battleship
The New York-class battleship was a class of early 20th-century U.S. Navy dreadnoughts that introduced 14-inch guns and served prominently through both World Wars.
- 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: Essex class Target entity description: The Essex class was a highly successful World War II-era U.S. Navy aircraft carrier class that formed the backbone of American carrier operations in the Pacific.
-
A.
Lexington class
The Lexington class was a pair of early U.S. Navy aircraft carriers, originally laid down as battlecruisers, that played a key role in developing American carrier aviation between the World Wars and during the early years of World War II.
-
B.
Yorktown class
The Yorktown class was a group of U.S. Navy aircraft carriers built in the late 1930s that played a pivotal role in early World War II Pacific naval battles.
-
C.
Forrestal class
The Forrestal class was a group of pioneering U.S. Navy supercarriers introduced in the 1950s that set the standard for modern aircraft carrier design and operations.
-
D.
Ohio class
The Ohio class is a series of U.S. Navy nuclear-powered ballistic missile submarines designed primarily for strategic nuclear deterrence.
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E.
New York-class battleship
The New York-class battleship was a class of early 20th-century U.S. Navy dreadnoughts that introduced 14-inch guns and served prominently through both World Wars.
- F. None of above. chosen
Statements (65)
| Predicate | Object |
|---|---|
| instanceOf |
United States Navy ship class
ⓘ
aircraft carrier class ⓘ |
| airGroupSizeWWII | approximately 90 to 100 aircraft ⓘ |
| armamentWWII |
20 mm anti-aircraft guns
ⓘ
40 mm anti-aircraft guns ⓘ 5-inch dual-purpose guns ⓘ |
| beamWaterline | about 93 feet ⓘ |
| conflict | World War II ⓘ |
| countryOfOrigin | United States of America ⓘ |
| designedIn | late 1930s ⓘ |
| designFeature |
armored hangar deck below flight deck
ⓘ
improved damage control compared to predecessors ⓘ open bow with axial flight deck ⓘ two deck-edge aircraft elevators on later units ⓘ |
| displacementFullLoad | approximately 36000 tons ⓘ |
| displacementStandard | approximately 27000 tons ⓘ |
| flightDeckWidth | about 147 feet ⓘ |
| followedBy | Midway-class aircraft carrier ⓘ |
| historicalSignificance |
formed backbone of U.S. carrier forces in the Pacific during World War II
ⓘ
most numerous class of large aircraft carriers ever built ⓘ |
| lengthOverall | about 872 feet ⓘ |
| maximumSpeed | about 33 knots ⓘ |
| modernizationProgram |
SCB-125
ⓘ
SCB-27 ⓘ |
| museumShip |
USS Hornet (CV-12)
ⓘ
USS Intrepid (CV-11) ⓘ USS Lexington (CV-16) ⓘ USS Yorktown (CV-10) ⓘ |
| notableShip |
USS Bennington (CV-20)
ⓘ
USS Bon Homme Richard (CV-31) ⓘ USS Boxer (CV-21) ⓘ USS Bunker Hill (CV-17) ⓘ USS Essex (CV-9) ⓘ USS Hancock (CV-19) ⓘ USS Hornet (CV-12) ⓘ USS Intrepid (CV-11) ⓘ USS Lexington (CV-16) ⓘ USS Oriskany (CV-34) ⓘ USS Wasp (CV-18) ⓘ USS Yorktown (CV-10) ⓘ |
| numberOfShipsCommissionedDuringWWII | 17 ⓘ |
| numberOfShipsCompleted | 24 ⓘ |
| numberOfShipsPlanned | 32 ⓘ |
| operator | United States Navy ⓘ |
| postwarModification |
angled flight deck on many units
ⓘ
steam catapults on some units ⓘ |
| powerOutput | about 150000 shaft horsepower ⓘ |
| precededBy | Yorktown-class aircraft carrier ⓘ |
| propulsion |
4 shafts
ⓘ
8 boilers ⓘ steam turbines ⓘ |
| range | about 20000 nautical miles at 15 knots ⓘ |
| retirementPeriod | 1960s to 1970s ⓘ |
| role |
air superiority at sea
ⓘ
carrier strike operations ⓘ fleet aircraft carrier ⓘ power projection ⓘ |
| serviceEntry | 1942 ⓘ |
| usedAs |
anti-submarine warfare carrier
ⓘ
attack carrier ⓘ space capsule recovery ship ⓘ training carrier ⓘ |
| usedIn |
Korean War
ⓘ
Pacific War ⓘ
surface form:
Pacific Theater of World War II
Vietnam 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: Essex class Description of subject: The Essex class was a highly successful World War II-era U.S. Navy aircraft carrier class that formed the backbone of American carrier operations in the Pacific.
Referenced by (22)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Essex-class carrier program
subject surface form:
USS Essex (CV-9)
subject surface form:
USS Hornet (CV-12)