Electric Boat Company

E167761

defense contractor shipbuilding company

Electric Boat Company is an American shipbuilding firm best known for pioneering and producing submarines for the U.S. Navy.

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All labels observed (4)

Label	Occurrences
General Dynamics Electric Boat	12
Electric Boat Company canonical	6
Electric Boat Company (early ownership)	1
Electric Boat Division, General Dynamics, Groton, Connecticut	1

How this entity was disambiguated

This entity first appeared as the object of triple T1470528 — 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: Electric Boat Company
Context triple: [General Dynamics, foundedBy, Electric Boat Company]

A. Fore River Shipbuilding Company
Fore River Shipbuilding Company was a major early 20th-century American shipyard in Quincy, Massachusetts, known for constructing significant U.S. Navy warships and commercial vessels.
B. New England Shipbuilding Corporation
New England Shipbuilding Corporation was a World War II-era American shipyard in South Portland, Maine, known for mass-producing Liberty ships for the U.S. war effort.
C. New York Shipbuilding Corporation
New York Shipbuilding Corporation was a major American shipyard based in Camden, New Jersey, known for constructing numerous U.S. Navy warships in the early to mid-20th century.
D. Newport News Shipbuilding
Newport News Shipbuilding is a major American shipyard in Virginia renowned for constructing U.S. Navy warships, including battleships, aircraft carriers, and submarines.
E. Harland and Wolff
Harland and Wolff is a historic Belfast-based shipbuilding and heavy engineering company best known for constructing famous ocean liners including RMS Titanic.
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: Electric Boat Company
Target entity description: Electric Boat Company is an American shipbuilding firm best known for pioneering and producing submarines for the U.S. Navy.

A. Fore River Shipbuilding Company
Fore River Shipbuilding Company was a major early 20th-century American shipyard in Quincy, Massachusetts, known for constructing significant U.S. Navy warships and commercial vessels.
B. New England Shipbuilding Corporation
New England Shipbuilding Corporation was a World War II-era American shipyard in South Portland, Maine, known for mass-producing Liberty ships for the U.S. war effort.
C. New York Shipbuilding Corporation
New York Shipbuilding Corporation was a major American shipyard based in Camden, New Jersey, known for constructing numerous U.S. Navy warships in the early to mid-20th century.
D. Newport News Shipbuilding
Newport News Shipbuilding is a major American shipyard in Virginia renowned for constructing U.S. Navy warships, including battleships, aircraft carriers, and submarines.
E. Harland and Wolff
Harland and Wolff is a historic Belfast-based shipbuilding and heavy engineering company best known for constructing famous ocean liners including RMS Titanic.
F. None of above. chosen

Statements (46)

Predicate	Object
instanceOf	defense contractor ⓘ shipbuilding company ⓘ
client	United States Navy ⓘ
country	United States of America ⓘ surface form: United States
formerName	Electric Boat Company self-link ⓘ
foundedBy	Isaac Rice ⓘ John Philip Holland ⓘ
hasEmployee	marine engineers ⓘ naval architects ⓘ shipyard workers ⓘ
hasFacility	Groton shipyard ⓘ Quonset Point manufacturing facility ⓘ
hasMajorEraOfActivity	Cold War ⓘ World War I ⓘ World War II ⓘ
hasPrimaryMarket	military shipbuilding ⓘ
hasWebsite	https://www.gdeb.com/ ⓘ
headquartersLocation	Groton, Connecticut Colony ⓘ surface form: Groton, Connecticut
inception	1899 ⓘ
industry	defense ⓘ shipbuilding ⓘ
languageOfWorkOrName	English ⓘ
locatedInTimeZone	Eastern Time Zone ⓘ
locationFounded	New Jersey, United States ⓘ surface form: New Jersey
name	Electric Boat Company self-linksurface differs ⓘ surface form: General Dynamics Electric Boat
notableFor	building submarines for the United States Navy ⓘ designing submarines for the United States Navy ⓘ
operatedBy	General Dynamics ⓘ
parentOrganization	General Dynamics ⓘ
partOf	General Dynamics ⓘ surface form: General Dynamics Marine Systems U.S. defense industrial base ⓘ
product	naval vessels ⓘ submarines ⓘ
significantProject	Columbia-class submarine ⓘ surface form: Columbia-class ballistic missile submarines Holland VI submarine ⓘ Nuclear-powered submarines for the U.S. Navy ⓘ Ohio-class ballistic missile submarine ⓘ surface form: Ohio-class ballistic missile submarines USS Holland (SS-1) ⓘ Virginia-class submarine ⓘ surface form: Virginia-class attack submarines World War I shipbuilding program ⓘ surface form: World War I U.S. Navy submarines United States Navy submarine ⓘ surface form: World War II U.S. Navy submarines
specializesIn	submarine construction ⓘ submarine design ⓘ
usesTechnology	nuclear propulsion ⓘ sonar systems ⓘ submarine stealth technology ⓘ

How these facts were elicited