Federal Triangle
E107729
Federal Triangle is a prominent government complex in Washington, D.C., known for its large concentration of federal office buildings and its neoclassical architecture between the Capitol and the White House.
All labels observed (14)
How this entity was disambiguated
This entity first appeared as the object of triple T854874 — 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: Federal Triangle Context triple: [William Jefferson Clinton Federal Building, locatedIn, Federal Triangle]
-
A.
Federal Center Plaza
Federal Center Plaza is a prominent government office complex and public space located in Chicago’s Loop district.
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B.
Federal Triangle station
Federal Triangle station is a Washington Metro rapid transit station located in downtown Washington, D.C., serving the Blue, Orange, and Silver lines near key federal buildings and the National Mall.
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C.
Capitol Hill
Capitol Hill is a historic Washington, D.C. neighborhood that houses the U.S. Capitol and serves as a central hub of American political life.
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D.
Pentagon
The Pentagon is the five-sided headquarters of the United States Department of Defense and a symbol of the U.S. military.
-
E.
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.
- 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: Federal Triangle Target entity description: Federal Triangle is a prominent government complex in Washington, D.C., known for its large concentration of federal office buildings and its neoclassical architecture between the Capitol and the White House.
-
A.
Federal Center Plaza
Federal Center Plaza is a prominent government office complex and public space located in Chicago’s Loop district.
-
B.
Federal Triangle station
Federal Triangle station is a Washington Metro rapid transit station located in downtown Washington, D.C., serving the Blue, Orange, and Silver lines near key federal buildings and the National Mall.
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C.
Capitol Hill
Capitol Hill is a historic Washington, D.C. neighborhood that houses the U.S. Capitol and serves as a central hub of American political life.
-
D.
Pentagon
The Pentagon is the five-sided headquarters of the United States Department of Defense and a symbol of the U.S. military.
-
E.
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.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
government complex
ⓘ
historic district ⓘ neighborhood ⓘ |
| architecturalStyle | Neoclassical architecture ⓘ |
| boundedBy |
15th Street NW
ⓘ
6th Street NW ⓘ Constitution Avenue NW ⓘ Pennsylvania Avenue NW ⓘ |
| contains |
Ariel Rios Federal Building
ⓘ
Department of Justice Building ⓘ Environmental Protection Agency headquarters ⓘ Federal Trade Commission Building ⓘ Herbert C. Hoover Building ⓘ Internal Revenue Service Building ⓘ J. Edgar Hoover Building ⓘ National Archives Building ⓘ Old Post Office Pavilion ⓘ Ronald Reagan Building and International Trade Center ⓘ U.S. Customs Service Building ⓘ U.S. Department of Commerce headquarters ⓘ
linked to:
U.S. Department of Commerce Headquarters
U.S. Department of Justice headquarters ⓘ U.S. Department of Labor facilities ⓘ U.S. Department of the Treasury annex facilities ⓘ U.S. General Accounting Office facilities ⓘ U.S. Postal Service facilities ⓘ William Jefferson Clinton Federal Building ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| developmentPeriod |
1920s
ⓘ
1930s ⓘ |
| governingBody |
General Services Administration
ⓘ
linked to:
U.S. General Services Administration
|
| hasTransportation |
Federal Triangle Metro station
ⓘ
linked to:
Federal Triangle station
|
| heritageStatus | part of a National Historic Site ⓘ |
| locatedIn |
Downtown Washington, D.C.
ⓘ
Northwest Washington, D.C. ⓘ Washington, D.C. ⓘ |
| near |
United States Capitol
ⓘ
White House ⓘ |
| notableFeature |
large concentration of federal office buildings
ⓘ
monumental neoclassical facades ⓘ |
| partOf | Pennsylvania Avenue National Historic Site ⓘ |
| purpose |
administrative center for U.S. government agencies
ⓘ
federal office space ⓘ |
| servedBy |
Metro Blue Line
ⓘ
linked to:
Blue Line (Washington Metro)
Metro Orange Line ⓘ Metro Silver Line ⓘ
linked to:
Washington Metro Silver Line
Smithsonian Metro station ⓘ |
| significantEvent | construction of coordinated federal office complex in early 20th century ⓘ |
| streetLayout | triangular area formed by major avenues and streets in central Washington, D.C. ⓘ |
| urbanPlanningConcept | City Beautiful movement ⓘ |
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: Federal Triangle Description of subject: Federal Triangle is a prominent government complex in Washington, D.C., known for its large concentration of federal office buildings and its neoclassical architecture between the Capitol and the White House.
Referenced by (57)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Federal Triangle
linked to: Federal Triangle
linked to: Federal Triangle
linked to: Federal Triangle
linked to: Federal Triangle
linked to: Federal Triangle
linked to: Federal Triangle
subject linked to:
Trump International Hotel Washington, D.C. (former Old Post Office)
subject linked to:
Trump International Hotel Washington, D.C. (former Old Post Office)
linked to: Federal Triangle
Department of the Interior headquarters
→
partOf
→
Federal Triangle area (broad downtown federal complex)
ⓘ
linked to: Federal Triangle
linked to: Federal Triangle
linked to: Federal Triangle
linked to: Federal Triangle
linked to: Federal Triangle
linked to: Federal Triangle
linked to: Federal Triangle
linked to: Federal Triangle
linked to: Federal Triangle
linked to: Federal Triangle
linked to: Federal Triangle
linked to: Federal Triangle
linked to: Federal Triangle
linked to: Federal Triangle
linked to: Federal Triangle
linked to: Federal Triangle
subject linked to:
Ellipse in Washington, D.C.
linked to: Federal Triangle