Norfolk Navy Yard
E230704
Norfolk Navy Yard, also known as Norfolk Naval Shipyard, is a major United States Navy shipbuilding and repair facility located in Portsmouth, Virginia.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Norfolk Navy Yard canonical | 9 |
| Norfolk Naval Shipyard | 8 |
| Gosport Navy Yard | 2 |
| Norfolk Navy Yard, United States | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2044225 — 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: Norfolk Navy Yard Context triple: [USS Wainwright (DD-419), builder, Norfolk Navy Yard]
-
A.
Charlestown Navy Yard
Charlestown Navy Yard is a historic former U.S. Navy shipyard in Boston, Massachusetts, known for its role in American naval history and as the home port of the USS Constitution.
-
B.
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.
-
C.
Washington Navy Yard
The Washington Navy Yard is a historic United States Navy facility in Washington, D.C., long serving as a major shipbuilding, ordnance, and administrative center for the Navy.
-
D.
Portsmouth Naval Base
Portsmouth Naval Base is a major Royal Navy dockyard and headquarters on England’s south coast, serving as one of the UK’s principal naval facilities.
-
E.
Annapolis City Dock
Annapolis City Dock is a historic waterfront area in downtown Annapolis, Maryland, known for its marina, colonial-era surroundings, and role as a hub for boating, tourism, and public events.
- 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: Norfolk Navy Yard Target entity description: Norfolk Navy Yard, also known as Norfolk Naval Shipyard, is a major United States Navy shipbuilding and repair facility located in Portsmouth, Virginia.
-
A.
Charlestown Navy Yard
Charlestown Navy Yard is a historic former U.S. Navy shipyard in Boston, Massachusetts, known for its role in American naval history and as the home port of the USS Constitution.
-
B.
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.
-
C.
Washington Navy Yard
The Washington Navy Yard is a historic United States Navy facility in Washington, D.C., long serving as a major shipbuilding, ordnance, and administrative center for the Navy.
-
D.
Portsmouth Naval Base
Portsmouth Naval Base is a major Royal Navy dockyard and headquarters on England’s south coast, serving as one of the UK’s principal naval facilities.
-
E.
Annapolis City Dock
Annapolis City Dock is a historic waterfront area in downtown Annapolis, Maryland, known for its marina, colonial-era surroundings, and role as a hub for boating, tourism, and public events.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
United States Navy shipyard
ⓘ
military installation ⓘ naval base ⓘ |
| affiliation | Naval Sea Systems Command ⓘ |
| alsoKnownAs |
NNSY
ⓘ
Norfolk Navy Yard ⓘ
surface form:
Norfolk Naval Shipyard
|
| country |
United States of America
ⓘ
surface form:
United States
|
| foundedBy | United States Navy ⓘ |
| garrison |
United States Navy personnel
ⓘ
civilian workforce ⓘ |
| hasCapability |
complex ship overhauls
ⓘ
dry docking of large naval vessels ⓘ nuclear ship maintenance ⓘ |
| hasInfrastructure |
dry docks
ⓘ
industrial shops ⓘ nuclear support facilities ⓘ piers ⓘ |
| hasType | public shipyard ⓘ |
| historicalRole |
important ship repair and conversion center during World War II
ⓘ
important shipbuilding center during World War I ⓘ major Union naval facility during the American Civil War after recapture ⓘ |
| industry |
ship repair
ⓘ
shipbuilding ⓘ |
| locatedIn |
Hampton Roads
ⓘ
Portsmouth, Virginia ⓘ United States of America ⓘ
surface form:
United States
Virginia ⓘ |
| locatedInMetropolitanArea |
Hampton Roads
ⓘ
surface form:
Hampton Roads metropolitan area
|
| locatedOn | Elizabeth River ⓘ |
| near | Naval Station Norfolk ⓘ |
| notableFor |
maintenance and modernization of nuclear-powered submarines
ⓘ
major overhaul and refueling of nuclear-powered aircraft carriers ⓘ one of the oldest and largest industrial facilities owned by the U.S. Navy ⓘ |
| operator | United States Navy ⓘ |
| ownedBy |
Department of the Navy
ⓘ
surface form:
United States Department of the Navy
|
| partOf | United States Navy shore establishment ⓘ |
| predecessor |
Portsmouth shipyard
ⓘ
surface form:
Gosport Shipyard
|
| primaryFunction |
ship conversion
ⓘ
ship modernization ⓘ ship repair ⓘ shipbuilding ⓘ |
| regionServed |
Atlantic Ocean
ⓘ
Mediterranean Sea ⓘ |
| servesBranch |
United States Coast Guard
ⓘ
United States Marine Corps ⓘ United States Navy ⓘ |
| servesFleet |
Atlantic Fleet
ⓘ
surface form:
United States Atlantic Fleet
|
| strategicImportance | key component of U.S. naval readiness on the East Coast ⓘ |
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: Norfolk Navy Yard Description of subject: Norfolk Navy Yard, also known as Norfolk Naval Shipyard, is a major United States Navy shipbuilding and repair facility located in Portsmouth, Virginia.
Referenced by (20)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Gosport Navy Yard
this entity surface form:
Norfolk Naval Shipyard
this entity surface form:
Norfolk Naval Shipyard
this entity surface form:
Norfolk Naval Shipyard
this entity surface form:
Norfolk Naval Shipyard
this entity surface form:
Norfolk Naval Shipyard
subject surface form:
USS Alabama (BB-60)
subject surface form:
USS Wainwright (DD-419)
this entity surface form:
Norfolk Naval Shipyard
this entity surface form:
Norfolk Naval Shipyard
subject surface form:
USS Morris (DD-417)
this entity surface form:
Norfolk Navy Yard, United States
this entity surface form:
Norfolk Naval Shipyard
subject surface form:
CSS Virginia
this entity surface form:
Gosport Navy Yard