Naval Communications Annex
E262838
Naval Communications Annex was a former U.S. Navy communications facility in Washington, D.C., later repurposed as the Nebraska Avenue Complex that now houses Department of Homeland Security offices.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Naval Communications Annex canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2401339 — 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: Naval Communications Annex Context triple: [Nebraska Avenue Complex, formerName, Naval Communications Annex]
-
A.
Naval Support Facility Arlington
Naval Support Facility Arlington is a U.S. military installation in Arlington, Virginia that supports Navy and joint-service operations, administration, and training.
-
B.
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.
-
C.
Treasure Island Naval Station (former)
Treasure Island Naval Station (former) was a decommissioned U.S. Navy base located on San Francisco Bay’s man-made Treasure Island, historically used for training, administration, and support operations.
-
D.
Naval Maritime Intelligence Center
The Naval Maritime Intelligence Center is a U.S. Navy facility responsible for collecting, analyzing, and disseminating maritime intelligence to support naval and joint military operations.
-
E.
Naval Weapons Station Yorktown
Naval Weapons Station Yorktown is a major U.S. Navy ordnance storage, loading, and logistics facility located near Yorktown, Virginia.
- 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: Naval Communications Annex Target entity description: Naval Communications Annex was a former U.S. Navy communications facility in Washington, D.C., later repurposed as the Nebraska Avenue Complex that now houses Department of Homeland Security offices.
-
A.
Naval Support Facility Arlington
Naval Support Facility Arlington is a U.S. military installation in Arlington, Virginia that supports Navy and joint-service operations, administration, and training.
-
B.
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.
-
C.
Treasure Island Naval Station (former)
Treasure Island Naval Station (former) was a decommissioned U.S. Navy base located on San Francisco Bay’s man-made Treasure Island, historically used for training, administration, and support operations.
-
D.
Naval Maritime Intelligence Center
The Naval Maritime Intelligence Center is a U.S. Navy facility responsible for collecting, analyzing, and disseminating maritime intelligence to support naval and joint military operations.
-
E.
Naval Weapons Station Yorktown
Naval Weapons Station Yorktown is a major U.S. Navy ordnance storage, loading, and logistics facility located near Yorktown, Virginia.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
United States Navy facility
ⓘ
military communications facility ⓘ |
| category |
Former military installations in Washington, D.C.
ⓘ
Military facilities in Washington, D.C. ⓘ United States Navy installations ⓘ
linked to:
United States Navy shore establishment
|
| city | Washington, D.C. ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| currentUseOfSite |
Department of Homeland Security offices
ⓘ
federal office complex ⓘ |
| formerNameOf | Nebraska Avenue Complex ⓘ |
| function |
naval communications
ⓘ
signals intelligence support ⓘ |
| locatedIn |
District of Columbia
ⓘ
United States ⓘ
linked to:
United States of America
|
| locatedOn |
Nebraska Avenue
ⓘ
linked to:
Nebraska Avenue NW
|
| location | Washington, D.C. ⓘ |
| namedAfter | naval communications ⓘ |
| neighborhood | Northwest Washington, D.C. ⓘ |
| operator | United States Navy ⓘ |
| owner | United States government ⓘ |
| partOf | U.S. Navy communications network ⓘ |
| siteCurrentlyOccupiedBy |
DHS headquarters functions
ⓘ
United States Department of Homeland Security ⓘ |
| siteRepurposedAs | Nebraska Avenue Complex ⓘ |
| status | former facility ⓘ |
| streetAddress | 3801 Nebraska Avenue NW ⓘ |
| successorFacility | Nebraska Avenue Complex ⓘ |
| usedBy |
United States Department of Defense
ⓘ
linked to:
Department of Defense
United States Navy ⓘ |
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: Naval Communications Annex Description of subject: Naval Communications Annex was a former U.S. Navy communications facility in Washington, D.C., later repurposed as the Nebraska Avenue Complex that now houses Department of Homeland Security offices.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.