Electric Boat Company
E167761
Electric Boat Company is an American shipbuilding firm best known for pioneering and producing submarines for the U.S. Navy.
All labels observed (7)
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
ⓘ
linked to:
United States of America
|
| formerName | Electric Boat Company ⓘ |
| 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
ⓘ
linked to:
Groton, Connecticut Colony
|
| inception | 1899 ⓘ |
| industry |
defense
ⓘ
shipbuilding ⓘ |
| languageOfWorkOrName | English ⓘ |
| locatedInTimeZone | Eastern Time Zone ⓘ |
| locationFounded |
New Jersey
ⓘ
linked to:
New Jersey, United States
|
| name |
General Dynamics Electric Boat
ⓘ
linked to:
Electric Boat Company
|
| notableFor |
building submarines for the United States Navy
ⓘ
designing submarines for the United States Navy ⓘ |
| operatedBy | General Dynamics ⓘ |
| parentOrganization | General Dynamics ⓘ |
| partOf |
General Dynamics Marine Systems
ⓘ
linked to:
General Dynamics
U.S. defense industrial base ⓘ |
| product |
naval vessels
ⓘ
submarines ⓘ |
| significantProject |
Columbia-class ballistic missile submarines
ⓘ
linked to:
Columbia-class submarine
Holland VI submarine ⓘ Nuclear-powered submarines for the U.S. Navy ⓘ Ohio-class ballistic missile submarines ⓘ
linked to:
Ohio-class ballistic missile submarine
USS Holland (SS-1) ⓘ Virginia-class attack submarines ⓘ
linked to:
Virginia-class submarine
World War I U.S. Navy submarines ⓘ
linked to:
World War I shipbuilding program
World War II U.S. Navy submarines ⓘ
linked to:
United States Navy submarine
|
| specializesIn |
submarine construction
ⓘ
submarine design ⓘ |
| usesTechnology |
nuclear propulsion
ⓘ
sonar systems ⓘ submarine stealth technology ⓘ |
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: Electric Boat Company Description of subject: Electric Boat Company is an American shipbuilding firm best known for pioneering and producing submarines for the U.S. Navy.
Referenced by (53)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Electric Boat Company
linked to: Electric Boat Company
USS Maryland (SSBN-738)
→
constructionSite
→
Electric Boat Division, General Dynamics, Groton, Connecticut
ⓘ
linked to: Electric Boat Company
linked to: Electric Boat Company
linked to: Electric Boat Company
subject linked to:
GD
linked to: Electric Boat Company
linked to: Electric Boat Company
linked to: Electric Boat Company
Dreadnought-class nuclear-powered ballistic missile submarines
→
missileCompartmentSupplier
→
General Dynamics Electric Boat
ⓘ
linked to: Electric Boat Company
subject linked to:
SSN-571
linked to: Electric Boat Company
subject linked to:
Ohio-class SSBN group
linked to: Electric Boat Company
linked to: Electric Boat Company
linked to: Electric Boat Company
linked to: Electric Boat Company
linked to: Electric Boat Company
subject linked to:
southeastern Connecticut
linked to: Electric Boat Company
subject linked to:
Los Angeles-class submarines
linked to: Electric Boat Company
subject linked to:
Holland VI submarine
linked to: Electric Boat Company
linked to: Electric Boat Company
linked to: Electric Boat Company
linked to: Electric Boat Company
linked to: Electric Boat Company
linked to: Electric Boat Company
linked to: Electric Boat Company
subject linked to:
USS Cobia submarine
linked to: Electric Boat Company
subject linked to:
SS-218
linked to: Electric Boat Company
subject linked to:
Gato class
subject linked to:
Gato class
linked to: Electric Boat Company
linked to: Electric Boat Company