Decatur House, Washington, D.C.
E266001
Decatur House in Washington, D.C. is a historic early 19th-century mansion near the White House, renowned as one of the capital’s oldest surviving residences and a significant example of Federal-style architecture.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Decatur House, Washington, D.C. canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2437245 — 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: Decatur House, Washington, D.C. Context triple: [Benjamin Henry Latrobe, notableWork, Decatur House, Washington, D.C.]
-
A.
Anderson House, Washington, D.C.
Anderson House in Washington, D.C. is a historic Beaux-Arts mansion that now serves as a museum and library dedicated to the American Revolution and the Society of the Cincinnati.
-
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.
Cannon House Office Building
The Cannon House Office Building is a historic congressional office building in Washington, D.C., that provides offices and facilities for members of the U.S. House of Representatives.
-
D.
J. Edgar Hoover Building
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.
-
E.
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.
- 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: Decatur House, Washington, D.C. Target entity description: Decatur House in Washington, D.C. is a historic early 19th-century mansion near the White House, renowned as one of the capital’s oldest surviving residences and a significant example of Federal-style architecture.
-
A.
Anderson House, Washington, D.C.
Anderson House in Washington, D.C. is a historic Beaux-Arts mansion that now serves as a museum and library dedicated to the American Revolution and the Society of the Cincinnati.
-
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.
Cannon House Office Building
The Cannon House Office Building is a historic congressional office building in Washington, D.C., that provides offices and facilities for members of the U.S. House of Representatives.
-
D.
J. Edgar Hoover Building
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.
-
E.
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.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
Federal-style mansion
ⓘ
National Historic Landmark ⓘ historic house ⓘ museum ⓘ |
| architect | Benjamin Henry Latrobe ⓘ |
| architecturalStyle | Federal architecture ⓘ |
| category |
Historic house museums in Washington, D.C.
ⓘ
Houses completed in 1819 ⓘ Houses on the National Register of Historic Places in Washington, D.C. ⓘ National Historic Landmarks in Washington, D.C. ⓘ |
| city | Washington, D.C. ⓘ |
| completionDate | 1819 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| district | Northwest Washington, D.C. ⓘ |
| function |
White House Office of the Curator
ⓘ
surface form:
center for the study of White House history
|
| hasPart | slave quarters ⓘ |
| hasSignificantEvent | site of one of the first urban slave quarters still standing in Washington, D.C. ⓘ |
| hasVisitorCenter |
White House Visitor Center
ⓘ
surface form:
The David M. Rubenstein National Center for White House History
|
| heritageDesignation |
National Historic Landmark
ⓘ
listed on the National Register of Historic Places ⓘ |
| historicSignificance |
example of early 19th-century Federal-style architecture in the U.S. capital
ⓘ
one of the oldest surviving residences in Washington, D.C. ⓘ |
| inception | 1818 ⓘ |
| locatedIn | Washington, D.C. ⓘ |
| locatedInTimeZone | Eastern Time Zone ⓘ |
| locatedNear | White House ⓘ |
| locatedOn | Lafayette Square ⓘ |
| material | brick ⓘ |
| namedAfter | Stephen Decatur ⓘ |
| NRHPReferenceNumber | 66000865 ⓘ |
| numberOfFloors | 3 ⓘ |
| openToPublic | yes ⓘ |
| operatedBy | White House Historical Association ⓘ |
| originalOwner |
Stephen Decatur
ⓘ
Susan Wheeler Decatur ⓘ
surface form:
Susan Decatur
|
| ownedBy | National Trust for Historic Preservation ⓘ |
| partOf |
Lafayette Square
ⓘ
surface form:
Lafayette Square Historic District
|
| streetAddress | 748 Jackson Place NW ⓘ |
| use |
event venue
ⓘ
historic house museum ⓘ |
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: Decatur House, Washington, D.C. Description of subject: Decatur House in Washington, D.C. is a historic early 19th-century mansion near the White House, renowned as one of the capital’s oldest surviving residences and a significant example of Federal-style architecture.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.