United States Navy shipyards
E487034
United States Navy shipyards are major naval industrial facilities responsible for building, repairing, overhauling, and modernizing the U.S. Navy’s warships and submarines.
All labels observed (4)
| Label | Occurrences |
|---|---|
| U.S. Navy shipbuilding | 1 |
| U.S. naval shipyards | 1 |
| United States Navy shipyards canonical | 1 |
| United States naval shipyards | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5004736 — 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: United States Navy shipyards Context triple: [Portsmouth Naval Shipyard, oneOfOldest, United States Navy shipyards]
-
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.
Marinship shipyards
Marinship shipyards was a major World War II-era shipbuilding facility in Sausalito, California, known for rapidly producing Liberty ships and tankers for the U.S. Navy and Merchant Marine.
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C.
United States Navy Bureau of Ships
The United States Navy Bureau of Ships was a former U.S. Navy organization responsible for the design, construction, and maintenance of naval ships and their systems.
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D.
New York Naval Shipyard
The New York Naval Shipyard, also known as the Brooklyn Navy Yard, was a major United States Navy shipbuilding and repair facility in Brooklyn, New York, that played a key role in constructing warships from the early 19th through the mid-20th century.
-
E.
Naval Sea Systems Command
Naval Sea Systems Command is a major U.S. Navy organization responsible for engineering, building, and maintaining the service’s ships, submarines, and related combat systems.
- 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: United States Navy shipyards Target entity description: United States Navy shipyards are major naval industrial facilities responsible for building, repairing, overhauling, and modernizing the U.S. Navy’s warships and submarines.
-
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.
Marinship shipyards
Marinship shipyards was a major World War II-era shipbuilding facility in Sausalito, California, known for rapidly producing Liberty ships and tankers for the U.S. Navy and Merchant Marine.
-
C.
United States Navy Bureau of Ships
The United States Navy Bureau of Ships was a former U.S. Navy organization responsible for the design, construction, and maintenance of naval ships and their systems.
-
D.
New York Naval Shipyard
The New York Naval Shipyard, also known as the Brooklyn Navy Yard, was a major United States Navy shipbuilding and repair facility in Brooklyn, New York, that played a key role in constructing warships from the early 19th through the mid-20th century.
-
E.
Naval Sea Systems Command
Naval Sea Systems Command is a major U.S. Navy organization responsible for engineering, building, and maintaining the service’s ships, submarines, and related combat systems.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
United States Navy shipyard
ⓘ
United States Navy shipyard ⓘ United States Navy shipyard ⓘ United States Navy shipyard ⓘ military infrastructure ⓘ naval industrial facility network ⓘ |
| country | United States of America ⓘ |
| distinctFrom | private shipyards under Navy contract ⓘ |
| employ |
civilian workforce
ⓘ
military personnel ⓘ |
| function |
extend service life of naval vessels
ⓘ
perform depot-level maintenance ⓘ support fleet readiness ⓘ |
| hasPart |
Norfolk Naval Shipyard
NERFINISHED
ⓘ
Norfolk Naval Shipyard and Intermediate Maintenance Facility NERFINISHED ⓘ Pearl Harbor Naval Shipyard NERFINISHED ⓘ Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility NERFINISHED ⓘ Portsmouth Naval Shipyard NERFINISHED ⓘ Portsmouth Naval Shipyard and Intermediate Maintenance Facility NERFINISHED ⓘ Puget Sound Naval Shipyard NERFINISHED ⓘ Puget Sound Naval Shipyard and Intermediate Maintenance Facility NERFINISHED ⓘ |
| locatedIn |
Bremerton, Washington
NERFINISHED
ⓘ
Kittery, Maine NERFINISHED ⓘ Pearl Harbor, Hawaii NERFINISHED ⓘ Portsmouth, Virginia NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| operatedBy | United States Navy ⓘ |
| ownedBy | United States government ⓘ |
| partOf |
Department of Defense
ⓘ
surface form:
United States Department of Defense
United States Department of the Navy NERFINISHED ⓘ |
| specializesIn |
maintenance of Pacific Fleet submarines
ⓘ
maintenance of Pacific Fleet surface ships ⓘ maintenance of nuclear-powered attack submarines ⓘ overhaul of aircraft carriers ⓘ overhaul of nuclear-powered aircraft carriers ⓘ overhaul of nuclear-powered submarines ⓘ overhaul of submarines ⓘ |
| use |
construction of submarines
ⓘ
construction of warships ⓘ modernization of submarines ⓘ modernization of warships ⓘ overhaul of submarines ⓘ overhaul of warships ⓘ repair of submarines ⓘ repair of warships ⓘ |
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: United States Navy shipyards Description of subject: United States Navy shipyards are major naval industrial facilities responsible for building, repairing, overhauling, and modernizing the U.S. Navy’s warships and submarines.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
U.S. Navy shipbuilding
this entity surface form:
U.S. naval shipyards
this entity surface form:
United States naval shipyards