J. Edgar Hoover Building
E53033
The J. Edgar Hoover Building is a large Brutalist-style office complex in Washington, D.C., that serves as the main headquarters of the FBI.
All labels observed (4)
| Label | Occurrences |
|---|---|
| J. Edgar Hoover Building canonical | 7 |
| FBI Headquarters | 6 |
| FBI headquarters | 1 |
| Federal Bureau of Investigation headquarters | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T129588 — 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: J. Edgar Hoover Building Context triple: [Federal Bureau of Investigation, headquartersBuilding, J. Edgar Hoover Building]
-
A.
Herbert C. Hoover Building
The Herbert C. Hoover Building is a prominent federal office building in Washington, D.C., best known as the headquarters of the U.S. Department of Commerce.
-
B.
Eisenhower Executive Office Building
The Eisenhower Executive Office Building is a historic, French Second Empire–style government building in Washington, D.C., that houses much of the White House staff and key offices of the Executive Office of the President.
-
C.
James V. Forrestal Building
The James V. Forrestal Building is a prominent federal office complex in Washington, D.C., known for its Brutalist architecture and its role as the central hub for U.S. energy policy and administration.
-
D.
John Adams Building
The John Adams Building is one of the main Library of Congress structures in Washington, D.C., known for its Art Deco architecture and extensive research collections.
-
E.
Robert F. Kennedy Department of Justice Building
The Robert F. Kennedy Department of Justice Building is the historic Art Deco headquarters of the U.S. Department of Justice in Washington, D.C., named in honor of former Attorney General Robert F. Kennedy.
- 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: J. Edgar Hoover Building Target entity description: The J. Edgar Hoover Building is a large Brutalist-style office complex in Washington, D.C., that serves as the main headquarters of the FBI.
-
A.
Herbert C. Hoover Building
The Herbert C. Hoover Building is a prominent federal office building in Washington, D.C., best known as the headquarters of the U.S. Department of Commerce.
-
B.
Eisenhower Executive Office Building
The Eisenhower Executive Office Building is a historic, French Second Empire–style government building in Washington, D.C., that houses much of the White House staff and key offices of the Executive Office of the President.
-
C.
James V. Forrestal Building
The James V. Forrestal Building is a prominent federal office complex in Washington, D.C., known for its Brutalist architecture and its role as the central hub for U.S. energy policy and administration.
-
D.
John Adams Building
The John Adams Building is one of the main Library of Congress structures in Washington, D.C., known for its Art Deco architecture and extensive research collections.
-
E.
Robert F. Kennedy Department of Justice Building
The Robert F. Kennedy Department of Justice Building is the historic Art Deco headquarters of the U.S. Department of Justice in Washington, D.C., named in honor of former Attorney General Robert F. Kennedy.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Brutalist building
ⓘ
federal office building ⓘ government building ⓘ headquarters building ⓘ |
| architecturalStyle |
Brutalist architecture
ⓘ
Modernist architecture ⓘ |
| category |
Brutalist architecture in Washington, D.C.
ⓘ
Federal Bureau of Investigation ⓘ
surface form:
FBI
Government buildings in Washington, D.C. ⓘ |
| city | Washington, D.C. ⓘ |
| completionDate | 1975 ⓘ |
| constructionStartDate | 1965 ⓘ |
| continent | North America ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| function |
J. Edgar Hoover Building
self-linksurface differs
ⓘ
surface form:
FBI headquarters
|
| governmentBranchServed | United States Department of Justice ⓘ |
| hasArchitecturalFeature |
deep-set windows
ⓘ
massive concrete piers ⓘ repetitive modular façade ⓘ |
| hasPart |
central courtyard
ⓘ
office wings ⓘ |
| inaugurationDate | 1975 ⓘ |
| isHeadquartersOf | Federal Bureau of Investigation ⓘ |
| locatedIn | Northwest Washington, D.C. ⓘ |
| locatedNear |
National Mall
ⓘ
United States Capitol ⓘ Robert F. Kennedy Department of Justice Building ⓘ
surface form:
United States Department of Justice headquarters
White House ⓘ |
| locatedOn | Pennsylvania Avenue ⓘ |
| location | Washington, D.C. ⓘ |
| managedBy |
U.S. General Services Administration
ⓘ
surface form:
General Services Administration
|
| materialUsed |
concrete
ⓘ
glass ⓘ steel ⓘ |
| namedAfter | J. Edgar Hoover ⓘ |
| namedForRoleOfNamesake | first Director of the FBI ⓘ |
| occupant | Federal Bureau of Investigation ⓘ |
| officialName | J. Edgar Hoover Building self-link ⓘ |
| openedForUse | 1975 ⓘ |
| ownedBy |
United States government
ⓘ
surface form:
United States federal government
|
| partOf | federal buildings in Washington, D.C. ⓘ |
| primaryUser | Federal Bureau of Investigation ⓘ |
| securityLevel | high-security facility ⓘ |
| state | District of Columbia ⓘ |
| streetAddress | 935 Pennsylvania Avenue NW ⓘ |
| use |
intelligence operations support
ⓘ
law enforcement administration ⓘ office space ⓘ |
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: J. Edgar Hoover Building Description of subject: The J. Edgar Hoover Building is a large Brutalist-style office complex in Washington, D.C., that serves as the main headquarters of the FBI.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
FBI Headquarters
this entity surface form:
FBI Headquarters
this entity surface form:
FBI Headquarters
this entity surface form:
FBI headquarters
Washington, D.C. (administrative base via the Administrative Office of the U.S. Courts)
→
hostsInstitution
→
J. Edgar Hoover Building
ⓘ
subject surface form:
Washington, D.C.
this entity surface form:
Federal Bureau of Investigation headquarters
this entity surface form:
FBI Headquarters
Strategic Information and Operations Center support elements
→
locatedInFacility
→
J. Edgar Hoover Building
ⓘ
this entity surface form:
FBI Headquarters
this entity surface form:
FBI Headquarters