Fort McNair
E53394
Fort McNair is a historic U.S. Army post in Washington, D.C., that houses major military commands and educational institutions and has served as a key defense installation since the early 19th century.
All labels observed (7)
How this entity was disambiguated
This entity first appeared as the object of triple T326016 — 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: Fort McNair Context triple: [Washington Channel (adjacent area), near, Fort McNair]
-
A.
Marine Barracks Washington
Marine Barracks Washington is the historic U.S. Marine Corps post in Washington, D.C., serving as the Corps’ oldest active installation and ceremonial center.
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B.
Fort Belvoir
Fort Belvoir is a major United States Army installation in Fairfax County, Virginia, that serves as a key administrative and logistical hub for numerous military and defense agencies.
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C.
Pentagon
The Pentagon is the five-sided headquarters of the United States Department of Defense and a symbol of the U.S. military.
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D.
Fort McHenry
Fort McHenry is a historic coastal fort in Baltimore, Maryland, best known for its successful defense during the War of 1812 that inspired Francis Scott Key to write the poem that became the U.S. national anthem.
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E.
Moore Barracks
Moore Barracks is a British military installation named in honor of Sir John Moore, a renowned general of the Napoleonic Wars.
- 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: Fort McNair Target entity description: Fort McNair is a historic U.S. Army post in Washington, D.C., that houses major military commands and educational institutions and has served as a key defense installation since the early 19th century.
-
A.
Marine Barracks Washington
Marine Barracks Washington is the historic U.S. Marine Corps post in Washington, D.C., serving as the Corps’ oldest active installation and ceremonial center.
-
B.
Fort Belvoir
Fort Belvoir is a major United States Army installation in Fairfax County, Virginia, that serves as a key administrative and logistical hub for numerous military and defense agencies.
-
C.
Pentagon
The Pentagon is the five-sided headquarters of the United States Department of Defense and a symbol of the U.S. military.
-
D.
Fort McHenry
Fort McHenry is a historic coastal fort in Baltimore, Maryland, best known for its successful defense during the War of 1812 that inspired Francis Scott Key to write the poem that became the U.S. national anthem.
-
E.
Moore Barracks
Moore Barracks is a British military installation named in honor of Sir John Moore, a renowned general of the Napoleonic Wars.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
United States Army post
ⓘ
historic site ⓘ military installation ⓘ |
| alsoServes | joint military community ⓘ |
| controlledBy | United States Army ⓘ |
| coordinatesApprox | 38.870°N 77.016°W ⓘ |
| country | United States of America ⓘ |
| dateEstablished | 1791 ⓘ |
| formerName |
Washington Arsenal
ⓘ
Washington Barracks ⓘ |
| garrison | United States Army ⓘ |
| hasAccessControl | closed military post with restricted access ⓘ |
| hasFunction |
hosts senior-level professional military education
ⓘ
provides command and control for National Capital Region defense ⓘ supports joint and interagency operations planning ⓘ |
| hasHeritageStatus |
contains multiple historic buildings
ⓘ
listed as a historic district on the National Register of Historic Places ⓘ |
| hasRole |
headquarters installation
ⓘ
key defense installation for the U.S. capital ⓘ military education center ⓘ |
| houses |
College of International Security Affairs
ⓘ
Dwight D. Eisenhower School for National Security and Resource Strategy ⓘ
surface form:
Eisenhower School for National Security and Resource Strategy
Headquarters, Joint Force Headquarters–National Capital Region ⓘ U.S. Army Corps of Engineers ⓘ
surface form:
Headquarters, United States Army Corps of Engineers (historically/nearby)
United States Army Military District of Washington ⓘ
surface form:
Headquarters, United States Army Military District of Washington
Inter-American Defense College (historically associated) ⓘ Joint Forces Staff College (elements) ⓘ Dwight D. Eisenhower School for National Security and Resource Strategy ⓘ
surface form:
National Defense University
United States Army War College ⓘ
surface form:
United States Army War College (historically)
|
| locatedAtConfluenceOf |
Anacostia River
ⓘ
Potomac River ⓘ |
| locatedIn |
The Wharf (Washington, D.C.)
ⓘ
surface form:
Southwest Waterfront, Washington, D.C.
Washington, D.C. ⓘ |
| locatedNear | Washington Channel ⓘ |
| locatedOn | Greenleaf Point ⓘ |
| namedAfter | Lesley J. McNair ⓘ |
| namedFor |
Lesley J. McNair
ⓘ
surface form:
Lieutenant General Lesley J. McNair
|
| ownedBy | United States Department of the Army ⓘ |
| partOf | Joint Base Myer–Henderson Hall ⓘ |
| primaryBranchServed | United States Army ⓘ |
| regionServed |
Washington metropolitan area
ⓘ
surface form:
National Capital Region
|
| significantEvent |
location of the execution of Lincoln assassination conspirators in 1865
ⓘ
served as Washington Arsenal during the American Civil War ⓘ site of the 1865 trial of Lincoln assassination conspirators ⓘ suffered a major explosion at the Washington Arsenal in 1864 ⓘ used for ordnance storage and manufacture in the 19th century ⓘ |
| strategicImportance | protects approaches to the U.S. Capitol and federal core ⓘ |
| usedSince | early 19th century ⓘ |
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: Fort McNair Description of subject: Fort McNair is a historic U.S. Army post in Washington, D.C., that houses major military commands and educational institutions and has served as a key defense installation since the early 19th century.
Referenced by (23)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Old Arsenal Penitentiary, Washington, D.C.
this entity surface form:
Fort Lesley J. McNair
this entity surface form:
Joint Base Myer–Henderson Hall (Fort McNair portion)
this entity surface form:
Fort McNair, Washington, D.C.
this entity surface form:
Fort Lesley J. McNair
this entity surface form:
Fort Lesley J. McNair
this entity surface form:
Fort Lesley J. McNair
this entity surface form:
Fort McNair Garrison
this entity surface form:
Fort McNair, Washington, D.C.
this entity surface form:
Fort McNair, Washington, D.C.
this entity surface form:
Fort Lesley J. McNair
this entity surface form:
Fort Lesley J. McNair
subject surface form:
Inter-American Defense College
this entity surface form:
Fort Lesley J. McNair
subject surface form:
Inter-American Defense College
this entity surface form:
Fort Lesley J. McNair campus