National Historic Landmark Old Patent Office Building
E158827
Greek Revival building
National Historic Landmark
former government office building
historic building
The National Historic Landmark Old Patent Office Building is a prominent 19th-century Greek Revival structure in Washington, D.C., now best known as the historic home of the Smithsonian American Art Museum and the National Portrait Gallery.
All labels observed (2)
| Label | Occurrences |
|---|---|
| National Historic Landmark Old Patent Office Building canonical | 2 |
| Old Patent Office Building | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1378242 — 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: National Historic Landmark Old Patent Office Building Context triple: [Smithsonian American Art Museum, locatedIn, National Historic Landmark Old Patent Office Building]
-
A.
Smithsonian Institution Building
The Smithsonian Institution Building, often called "The Castle," is a distinctive red sandstone landmark on the National Mall that serves as the historic headquarters and visitor center of the Smithsonian Institution.
-
B.
National Archives Building
The National Archives Building is a historic federal building in Washington, D.C. that houses and displays foundational U.S. documents such as the Declaration of Independence, the Constitution, and the Bill of Rights.
-
C.
Treasury Building
The Treasury Building is a historic federal office building in Washington, D.C., that houses the leadership and core operations of the U.S. government’s financial and economic management.
-
D.
Old State, War, and Navy Building
The Old State, War, and Navy Building is a historic 19th-century government office building in Washington, D.C., known for its elaborate Second Empire architecture and its role in housing key U.S. executive branch departments.
-
E.
Smithsonian Arts and Industries Building
The Smithsonian Arts and Industries Building is a historic museum on the National Mall in Washington, D.C., known as one of the oldest Smithsonian buildings and an early home for the Institution’s exhibitions of American innovation and culture.
- 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: National Historic Landmark Old Patent Office Building Target entity description: The National Historic Landmark Old Patent Office Building is a prominent 19th-century Greek Revival structure in Washington, D.C., now best known as the historic home of the Smithsonian American Art Museum and the National Portrait Gallery.
-
A.
Smithsonian Institution Building
The Smithsonian Institution Building, often called "The Castle," is a distinctive red sandstone landmark on the National Mall that serves as the historic headquarters and visitor center of the Smithsonian Institution.
-
B.
National Archives Building
The National Archives Building is a historic federal building in Washington, D.C. that houses and displays foundational U.S. documents such as the Declaration of Independence, the Constitution, and the Bill of Rights.
-
C.
Treasury Building
The Treasury Building is a historic federal office building in Washington, D.C., that houses the leadership and core operations of the U.S. government’s financial and economic management.
-
D.
Old State, War, and Navy Building
The Old State, War, and Navy Building is a historic 19th-century government office building in Washington, D.C., known for its elaborate Second Empire architecture and its role in housing key U.S. executive branch departments.
-
E.
Smithsonian Arts and Industries Building
The Smithsonian Arts and Industries Building is a historic museum on the National Mall in Washington, D.C., known as one of the oldest Smithsonian buildings and an early home for the Institution’s exhibitions of American innovation and culture.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
Greek Revival building
ⓘ
National Historic Landmark ⓘ former government office building ⓘ historic building ⓘ |
| alsoKnownAs |
National Historic Landmark Old Patent Office Building
ⓘ
Patent Office Building (Washington, D.C.) ⓘ
surface form:
Patent Office Building
|
| architecturalStyle | Greek Revival ⓘ |
| associatedWith |
National Portrait Gallery
ⓘ
Smithsonian American Art Museum ⓘ United States Patent and Trademark Office ⓘ |
| category |
Government buildings on the National Register of Historic Places in Washington, D.C.
ⓘ
Greek Revival architecture in Washington, D.C. ⓘ Museums in Washington, D.C. ⓘ National Historic Landmarks in Washington, D.C. ⓘ |
| city | Washington, D.C. ⓘ |
| contains |
Kogod Courtyard
ⓘ
galleries of the National Portrait Gallery ⓘ Smithsonian American Art Museum ⓘ
surface form:
galleries of the Smithsonian American Art Museum
|
| country |
United States of America
ⓘ
surface form:
United States
|
| currentUse | public museum space ⓘ |
| district | Downtown Washington, D.C. ⓘ |
| era | 19th century ⓘ |
| function | museum complex ⓘ |
| governingBody | Smithsonian Institution ⓘ |
| heritageDesignation |
National Historic Landmark
ⓘ
National Register of Historic Places ⓘ
surface form:
National Register of Historic Places listing
|
| locatedIn |
Northwest Washington, D.C.
ⓘ
Penn Quarter ⓘ |
| location | Washington, D.C. ⓘ |
| material |
marble
ⓘ
sandstone ⓘ |
| namedAfter |
United States Patent and Trademark Office
ⓘ
surface form:
United States Patent Office
|
| NRHPType | National Historic Landmark ⓘ |
| occupant |
National Portrait Gallery
ⓘ
Smithsonian American Art Museum ⓘ |
| originalFunction |
Patent Office Building (Washington, D.C.)
ⓘ
surface form:
United States Patent Office headquarters
|
| owner |
United States government
ⓘ
surface form:
United States federal government
|
| partOf | Smithsonian Institution ⓘ |
| publicAccess | open to the public ⓘ |
| significance |
one of the earliest large federal office buildings in the United States
ⓘ
one of the finest examples of Greek Revival architecture in Washington, D.C. ⓘ |
| streetAddress | between F and G Streets NW and 7th and 9th Streets NW ⓘ |
| use |
art museum
ⓘ
portrait gallery ⓘ |
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: National Historic Landmark Old Patent Office Building Description of subject: The National Historic Landmark Old Patent Office Building is a prominent 19th-century Greek Revival structure in Washington, D.C., now best known as the historic home of the Smithsonian American Art Museum and the National Portrait Gallery.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
Smithsonian American Art Museum
→
locatedIn
→
National Historic Landmark Old Patent Office Building
ⓘ
National Historic Landmark Old Patent Office Building
→
alsoKnownAs
→
National Historic Landmark Old Patent Office Building
ⓘ
subject surface form:
Old Patent Office Building
National Collection of Fine Arts
→
locatedInBuilding
→
National Historic Landmark Old Patent Office Building
ⓘ
this entity surface form:
Old Patent Office Building