Coast Guard Base Portsmouth
E614834
Coast Guard Base Portsmouth is a major United States Coast Guard installation in the Hampton Roads region of Virginia that supports maritime safety, security, and operational missions.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Coast Guard Base Portsmouth canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6743441 — 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: Coast Guard Base Portsmouth Context triple: [Hampton Roads, hasMilitaryInstallation, Coast Guard Base Portsmouth]
-
A.
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.
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B.
Naval Station Newport
Naval Station Newport is a major U.S. Navy installation in Newport, Rhode Island, known primarily as a center for naval education, training, and war college activities.
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C.
Coast Guard Air Station Cape Cod
Coast Guard Air Station Cape Cod is a United States Coast Guard aviation facility on Cape Cod that conducts search and rescue, law enforcement, and maritime patrol missions across the New England region.
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D.
Naval Station Norfolk
Naval Station Norfolk is the world’s largest naval base and a major hub for the U.S. Navy’s Atlantic Fleet, located in Norfolk, Virginia.
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E.
Augusta Naval Base
Augusta Naval Base is a major Italian naval installation in Sicily that serves as a strategic hub for fleet operations and logistics in the central Mediterranean.
- 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: Coast Guard Base Portsmouth Target entity description: Coast Guard Base Portsmouth is a major United States Coast Guard installation in the Hampton Roads region of Virginia that supports maritime safety, security, and operational missions.
-
A.
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.
-
B.
Naval Station Newport
Naval Station Newport is a major U.S. Navy installation in Newport, Rhode Island, known primarily as a center for naval education, training, and war college activities.
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C.
Coast Guard Air Station Cape Cod
Coast Guard Air Station Cape Cod is a United States Coast Guard aviation facility on Cape Cod that conducts search and rescue, law enforcement, and maritime patrol missions across the New England region.
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D.
Naval Station Norfolk
Naval Station Norfolk is the world’s largest naval base and a major hub for the U.S. Navy’s Atlantic Fleet, located in Norfolk, Virginia.
-
E.
Augusta Naval Base
Augusta Naval Base is a major Italian naval installation in Sicily that serves as a strategic hub for fleet operations and logistics in the central Mediterranean.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
United States Coast Guard base
ⓘ
military installation ⓘ |
| coordinatesRegion | U.S. East Coast maritime operations (regional level) ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| garrisonFor | multiple Coast Guard commands in Hampton Roads ⓘ |
| hasFacilityType |
administrative offices
ⓘ
berthing and support facilities for personnel ⓘ logistics warehouses ⓘ maintenance facilities ⓘ training spaces ⓘ |
| locatedIn |
Hampton Roads
NERFINISHED
ⓘ
Portsmouth, Virginia NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
Virginia ⓘ |
| missionArea |
aids to navigation support
ⓘ
marine environmental protection ⓘ maritime law enforcement ⓘ ports, waterways, and coastal security ⓘ search and rescue ⓘ |
| nearbyWaterBody |
Chesapeake Bay
NERFINISHED
ⓘ
Elizabeth River NERFINISHED ⓘ |
| operator | United States Coast Guard NERFINISHED ⓘ |
| partOf | United States Department of Homeland Security NERFINISHED ⓘ |
| primaryFunction |
support of Coast Guard operational missions
ⓘ
support of maritime safety missions ⓘ support of maritime security missions ⓘ |
| regionServed |
Hampton Roads region
NERFINISHED
ⓘ
Mid-Atlantic coast ⓘ |
| role |
administrative support center for Coast Guard units in Hampton Roads
ⓘ
logistics support hub for Coast Guard units in Hampton Roads ⓘ |
| securityRole | support to homeland security operations in Hampton Roads ⓘ |
| serviceBranch | United States Coast Guard NERFINISHED ⓘ |
| strategicImportance | major Coast Guard presence in Hampton Roads maritime hub ⓘ |
| supportsInteragencyCoordinationWith |
U.S. Navy units in Hampton Roads
NERFINISHED
ⓘ
local and state maritime authorities in Virginia ⓘ |
| supportsMissionOf |
United States Coast Guard Atlantic Area
NERFINISHED
ⓘ
United States Coast Guard Fifth District NERFINISHED ⓘ |
| supportsUnitType |
aviation units
ⓘ
cutters ⓘ small boat stations ⓘ |
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: Coast Guard Base Portsmouth Description of subject: Coast Guard Base Portsmouth is a major United States Coast Guard installation in the Hampton Roads region of Virginia that supports maritime safety, security, and operational missions.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.