Groton shipyard
E650359
Groton shipyard is a major U.S. naval shipbuilding facility in Groton, Connecticut, best known for constructing nuclear-powered submarines for the United States Navy.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Groton shipyard canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7193896 — 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: Groton shipyard Context triple: [Electric Boat Company, hasFacility, Groton shipyard]
-
A.
Portsmouth Naval Shipyard
Portsmouth Naval Shipyard is a historic U.S. Navy shipbuilding and repair facility located in Kittery, Maine, known especially for constructing and overhauling naval vessels including submarines.
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B.
Portsmouth shipyard
Portsmouth shipyard is a major Royal Navy dockyard and shipbuilding facility in Portsmouth, England, historically known for constructing and maintaining many of Britain’s warships.
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C.
Toledo Shipyard
Toledo Shipyard is a major Great Lakes shipbuilding and repair facility located in Toledo, Ohio, supporting commercial and industrial maritime operations at the Port of Toledo.
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D.
Eldean Shipyard
Eldean Shipyard is a full-service marina and boatyard located on Lake Macatawa in Michigan, known for its docking, storage, and marine maintenance services.
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E.
Crescent Shipyard
Crescent Shipyard was a prominent late-19th-century American shipbuilding yard in Elizabeth, New Jersey, best known for constructing John Philip Holland’s pioneering submarines for the U.S. Navy.
- 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: Groton shipyard Target entity description: Groton shipyard is a major U.S. naval shipbuilding facility in Groton, Connecticut, best known for constructing nuclear-powered submarines for the United States Navy.
-
A.
Portsmouth Naval Shipyard
Portsmouth Naval Shipyard is a historic U.S. Navy shipbuilding and repair facility located in Kittery, Maine, known especially for constructing and overhauling naval vessels including submarines.
-
B.
Portsmouth shipyard
Portsmouth shipyard is a major Royal Navy dockyard and shipbuilding facility in Portsmouth, England, historically known for constructing and maintaining many of Britain’s warships.
-
C.
Toledo Shipyard
Toledo Shipyard is a major Great Lakes shipbuilding and repair facility located in Toledo, Ohio, supporting commercial and industrial maritime operations at the Port of Toledo.
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D.
Eldean Shipyard
Eldean Shipyard is a full-service marina and boatyard located on Lake Macatawa in Michigan, known for its docking, storage, and marine maintenance services.
-
E.
Crescent Shipyard
Crescent Shipyard was a prominent late-19th-century American shipbuilding yard in Elizabeth, New Jersey, best known for constructing John Philip Holland’s pioneering submarines for the U.S. Navy.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
industrial facility
ⓘ
naval shipyard ⓘ shipyard ⓘ |
| associatedWith |
United States Department of Defense
NERFINISHED
ⓘ
United States Navy shipbuilding programs ⓘ |
| country | United States of America ⓘ |
| employs |
defense contractors
ⓘ
electricians ⓘ marine engineers ⓘ naval architects ⓘ pipefitters ⓘ shipyard workers ⓘ welders ⓘ |
| hasFacilityType |
submarine construction yard
ⓘ
submarine maintenance facility ⓘ |
| hasInfrastructure |
assembly buildings
ⓘ
dry docks ⓘ fabrication shops ⓘ piers ⓘ testing facilities ⓘ |
| hasNearbyMilitaryInstallation | Naval Submarine Base New London NERFINISHED ⓘ |
| hasProduced |
Los Angeles-class submarines
NERFINISHED
ⓘ
Ohio-class submarines NERFINISHED ⓘ Virginia-class submarines NERFINISHED ⓘ |
| hasProducedFor | United States Navy Submarine Force NERFINISHED ⓘ |
| hasSecurityClassification | high-security defense facility ⓘ |
| industry |
defense industry
ⓘ
shipbuilding ⓘ |
| locatedInAdministrativeTerritorialEntity | Connecticut NERFINISHED ⓘ |
| locatedInTimeZone | Eastern Time Zone ⓘ |
| locatedOnWaterBody | Thames River (Connecticut) NERFINISHED ⓘ |
| location | Groton, Connecticut NERFINISHED ⓘ |
| notableFor |
continuous production of U.S. Navy submarines
ⓘ
role in U.S. undersea warfare capability ⓘ |
| operator | General Dynamics Electric Boat NERFINISHED ⓘ |
| ownedBy | General Dynamics NERFINISHED ⓘ |
| partOf | U.S. naval shipbuilding base ⓘ |
| primaryClient | United States Navy NERFINISHED ⓘ |
| specializesIn |
nuclear-powered submarines
ⓘ
submarine construction ⓘ |
| strategicImportance | major U.S. nuclear submarine construction center ⓘ |
| usedFor |
construction of nuclear-powered submarines
ⓘ
maintenance of submarines ⓘ outfitting of submarines ⓘ overhaul of submarines ⓘ testing of submarines ⓘ |
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: Groton shipyard Description of subject: Groton shipyard is a major U.S. naval shipbuilding facility in Groton, Connecticut, best known for constructing nuclear-powered submarines for the United States Navy.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.