Nebraska Avenue Complex
E47775
The Nebraska Avenue Complex is a secure federal campus in Washington, D.C., that serves as a major headquarters site for the U.S. Department of Homeland Security and several of its key offices.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Nebraska Avenue Complex canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T361910 — 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: Nebraska Avenue Complex Context triple: [Office of Intelligence and Analysis (U.S. Department of Homeland Security), locatedIn, Nebraska Avenue Complex]
-
A.
Number One Observatory Circle
Number One Observatory Circle is the official residence of the Vice President of the United States, located on the grounds of the U.S. Naval Observatory in Washington, D.C.
-
B.
The Dupont Circle Building
The Dupont Circle Building is a prominent historic office and commercial structure located at the busy Dupont Circle intersection in Washington, D.C.
-
C.
L’Enfant Plaza
L’Enfant Plaza is a major commercial and transportation complex in Southwest Washington, D.C., named after city planner Pierre Charles L’Enfant and located near the National Mall.
-
D.
Robert C. Weaver Federal Building
The Robert C. Weaver Federal Building is a modernist federal office building in Washington, D.C., that serves as the headquarters of the U.S. Department of Housing and Urban Development.
-
E.
George C. Marshall Memorial Plaza
The George C. Marshall Memorial Plaza is a commemorative public space honoring U.S. Army General and statesman George C. Marshall, renowned for the post–World War II European Recovery Program known as the Marshall Plan.
- 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: Nebraska Avenue Complex Target entity description: The Nebraska Avenue Complex is a secure federal campus in Washington, D.C., that serves as a major headquarters site for the U.S. Department of Homeland Security and several of its key offices.
-
A.
Number One Observatory Circle
Number One Observatory Circle is the official residence of the Vice President of the United States, located on the grounds of the U.S. Naval Observatory in Washington, D.C.
-
B.
The Dupont Circle Building
The Dupont Circle Building is a prominent historic office and commercial structure located at the busy Dupont Circle intersection in Washington, D.C.
-
C.
L’Enfant Plaza
L’Enfant Plaza is a major commercial and transportation complex in Southwest Washington, D.C., named after city planner Pierre Charles L’Enfant and located near the National Mall.
-
D.
Robert C. Weaver Federal Building
The Robert C. Weaver Federal Building is a modernist federal office building in Washington, D.C., that serves as the headquarters of the U.S. Department of Housing and Urban Development.
-
E.
George C. Marshall Memorial Plaza
The George C. Marshall Memorial Plaza is a commemorative public space honoring U.S. Army General and statesman George C. Marshall, renowned for the post–World War II European Recovery Program known as the Marshall Plan.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
federal office complex
ⓘ
government campus ⓘ |
| category |
Government buildings in Washington, D.C.
ⓘ
United States Department of Homeland Security facilities ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| formerName |
Mount Vernon Seminary campus
ⓘ
linked to:
Mount Vernon Campus
Naval Communications Annex ⓘ |
| hasBuildingUse |
office space
ⓘ
operations center ⓘ support services ⓘ |
| hasFunction |
administrative headquarters
ⓘ
secure federal campus ⓘ |
| headquartersOf |
Management Directorate of the Department of Homeland Security
ⓘ
Office of Intelligence and Analysis (DHS) ⓘ Office of Operations Coordination (DHS) ⓘ
linked to:
Office of Operations Coordination
Office of the Secretary of Homeland Security ⓘ U.S. Department of Homeland Security ⓘ |
| jurisdiction | District of Columbia ⓘ |
| locatedIn |
Northwest Washington, D.C.
ⓘ
Washington, D.C. ⓘ |
| locatedNear |
American University
ⓘ
Tenleytown neighborhood ⓘ
linked to:
Tenleytown
|
| operatedBy | U.S. Department of Homeland Security ⓘ |
| ownedBy |
United States federal government
ⓘ
linked to:
United States government
|
| partOf | federal government facilities in Washington, D.C. ⓘ |
| securityLevel | high-security facility ⓘ |
| significantFor |
federal emergency coordination
ⓘ
homeland security operations ⓘ |
| streetAddress | 3801 Nebraska Avenue NW ⓘ |
| usedBy |
U.S. Department of Homeland Security
ⓘ
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: Nebraska Avenue Complex Description of subject: The Nebraska Avenue Complex is a secure federal campus in Washington, D.C., that serves as a major headquarters site for the U.S. Department of Homeland Security and several of its key offices.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
Office of Intelligence and Analysis (U.S. Department of Homeland Security)
→
locatedIn
→
Nebraska Avenue Complex
ⓘ