Robert C. Weaver Federal Building
E43095
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.
All labels observed (5)
How this entity was disambiguated
This entity first appeared as the object of triple T163502 — 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: Robert C. Weaver Federal Building Context triple: [United States Secretary of Housing and Urban Development, departmentSeat, Robert C. Weaver Federal Building]
-
A.
William Jefferson Clinton Federal Building
The William Jefferson Clinton Federal Building is a historic government complex in Washington, D.C., that houses major federal offices and serves as the central workplace for the U.S. Environmental Protection Agency.
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B.
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.
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C.
Harry S. Truman Building
The Harry S. Truman Building is a large federal office building in Washington, D.C., that houses the main offices and leadership of the U.S. foreign affairs apparatus.
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D.
Madison Building
The Madison Building is one of the main Library of Congress structures in Washington, D.C., housing extensive research collections, reading rooms, and administrative offices.
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E.
Alexandria City Hall
Alexandria City Hall is a historic municipal building in Old Town Alexandria, Virginia, known for its colonial-era architecture and role as the center of the city’s government.
- 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: Robert C. Weaver Federal Building Target entity description: 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.
-
A.
William Jefferson Clinton Federal Building
The William Jefferson Clinton Federal Building is a historic government complex in Washington, D.C., that houses major federal offices and serves as the central workplace for the U.S. Environmental Protection Agency.
-
B.
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.
-
C.
Harry S. Truman Building
The Harry S. Truman Building is a large federal office building in Washington, D.C., that houses the main offices and leadership of the U.S. foreign affairs apparatus.
-
D.
Madison Building
The Madison Building is one of the main Library of Congress structures in Washington, D.C., housing extensive research collections, reading rooms, and administrative offices.
-
E.
Alexandria City Hall
Alexandria City Hall is a historic municipal building in Old Town Alexandria, Virginia, known for its colonial-era architecture and role as the center of the city’s government.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
federal office building
ⓘ
headquarters building ⓘ modernist building ⓘ |
| architect |
Herbert Beckhard
ⓘ
Marcel Breuer ⓘ Nolen-Swinburne ⓘ |
| architecturalStyle |
Brutalist architecture
ⓘ
Modernist architecture ⓘ |
| category |
Brutalist architecture in Washington, D.C.
ⓘ
Federal buildings in Washington, D.C. ⓘ Government buildings completed in 1968 ⓘ United States Department of Housing and Urban Development ⓘ |
| city | Washington, D.C. ⓘ |
| completionDate | 1968 ⓘ |
| constructionType | cast-in-place concrete ⓘ |
| coordinates | 38.8844°N 77.0169°W ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| floorCountAboveGround | 10 ⓘ |
| hasFeature |
central courtyard
ⓘ
elevated plaza ⓘ pilotis ⓘ ribbon windows ⓘ |
| hasFunction |
administrative headquarters
ⓘ
government office building ⓘ |
| hasLobbyArtwork | public art installations ⓘ |
| hasTenant |
HUD program offices
ⓘ
Office of the Secretary of Housing and Urban Development ⓘ |
| inaugurationDate | 1968 ⓘ |
| locatedIn |
Southwest Federal Center
ⓘ
Southwest Washington, D.C. ⓘ Washington, D.C. ⓘ |
| maintainedBy |
General Services Administration
ⓘ
linked to:
U.S. General Services Administration
|
| materialUsed |
glass
ⓘ
reinforced concrete ⓘ |
| namedAfter | Robert C. Weaver ⓘ |
| namedForPosition | first Secretary of Housing and Urban Development ⓘ |
| numberOfFloors | 10 ⓘ |
| occupant | United States Department of Housing and Urban Development ⓘ |
| owner |
United States federal government
ⓘ
linked to:
United States government
|
| partOf |
Federal Triangle–Southwest area
ⓘ
linked to:
Federal Triangle
|
| postalCode | 20410 ⓘ |
| region |
Mid-Atlantic United States
ⓘ
linked to:
Mid-Atlantic states
|
| servesAs | headquarters of the United States Department of Housing and Urban Development ⓘ |
| shape | curved plan ⓘ |
| startDateOfConstruction | 1965 ⓘ |
| state | District of Columbia ⓘ |
| streetAddress | 451 7th Street SW ⓘ |
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: Robert C. Weaver Federal Building Description of subject: 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.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
United States Secretary of Housing and Urban Development
→
departmentSeat
→
Robert C. Weaver Federal Building
ⓘ
United States Department of Housing and Urban Development
→
headquartersBuilding
→
Robert C. Weaver Federal Building
ⓘ
Southwest Washington, D.C.
→
contains
→
United States Department of Housing and Urban Development headquarters
ⓘ
linked to: Robert C. Weaver Federal Building
Southwest Federal Center
→
contains
→
U.S. Department of Housing and Urban Development Headquarters
ⓘ
linked to: Robert C. Weaver Federal Building
linked to: Robert C. Weaver Federal Building
linked to: Robert C. Weaver Federal Building
Marcel Breuer and Associates
→
designed
→
HUD Headquarters (Robert C. Weaver Federal Building, Washington, D.C.)
ⓘ
linked to: Robert C. Weaver Federal Building
Virginia Avenue SW
→
near
→
United States Department of Housing and Urban Development Headquarters
ⓘ
linked to: Robert C. Weaver Federal Building