Pan American Union Building
E89182
The Pan American Union Building is a historic Beaux-Arts headquarters in Washington, D.C., serving as the main building of the Organization of American States and a symbol of inter-American diplomacy.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Pan American Union Building canonical | 3 |
| OAS General Secretariat building | 1 |
| Pan American Union Building landscaping and additions | 1 |
| Pan American Union building | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T629602 — 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: Pan American Union Building Context triple: [Pan American Union, hasPart, Pan American Union Building]
-
A.
Robert C. Weaver Federal Building
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.
-
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.
United Nations Plaza
United Nations Plaza is the public square and surrounding area in Manhattan, New York City, that serves as the primary urban setting and address for the United Nations Headquarters.
-
D.
McClurg Building
The McClurg Building is a historic Chicago commercial structure recognized as a significant example of early skyscraper design by the architectural firm Holabird & Roche.
-
E.
Federal Center Plaza
Federal Center Plaza is a prominent government office complex and public space located in Chicago’s Loop district.
- 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: Pan American Union Building Target entity description: The Pan American Union Building is a historic Beaux-Arts headquarters in Washington, D.C., serving as the main building of the Organization of American States and a symbol of inter-American diplomacy.
-
A.
Robert C. Weaver Federal Building
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.
-
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.
United Nations Plaza
United Nations Plaza is the public square and surrounding area in Manhattan, New York City, that serves as the primary urban setting and address for the United Nations Headquarters.
-
D.
McClurg Building
The McClurg Building is a historic Chicago commercial structure recognized as a significant example of early skyscraper design by the architectural firm Holabird & Roche.
-
E.
Federal Center Plaza
Federal Center Plaza is a prominent government office complex and public space located in Chicago’s Loop district.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Beaux-Arts architecture
ⓘ
building ⓘ headquarters building ⓘ historic building ⓘ |
| architect |
Albert Kelsey
ⓘ
Paul Philippe Cret ⓘ |
| architecturalStyle |
Beaux-Arts
ⓘ
Neoclassical architecture ⓘ |
| category |
Beaux-Arts architecture in Washington, D.C.
ⓘ
Diplomatic buildings in Washington, D.C. ⓘ National Historic Landmarks in Washington, D.C. ⓘ |
| client | Pan American Union ⓘ |
| completionDate | 1910 ⓘ |
| constructionStart | 1908 ⓘ |
| coordinates | 38.8925°N 77.0425°W ⓘ |
| country | United States of America ⓘ |
| formerOccupant | Pan American Union ⓘ |
| hasFunction |
administrative offices
ⓘ
conference center ⓘ diplomatic meeting venue ⓘ |
| hasPart |
Hall of the Americas
ⓘ
central courtyard ⓘ ceremonial halls ⓘ formal gardens ⓘ |
| heritageDesignation |
District of Columbia Inventory of Historic Sites
ⓘ
National Historic Landmark ⓘ
surface form:
U.S. National Historic Landmark
|
| heritageDesignationAuthority | National Park Service ⓘ |
| heritageDesignationDate | 1969 ⓘ |
| inception | 1910 ⓘ |
| locatedIn |
Northwest Washington, D.C.
ⓘ
United States federal district ⓘ Washington, D.C. ⓘ |
| locatedNear |
National Mall
ⓘ
Washington Monument ⓘ White House ⓘ |
| locatedOn | Constitution Avenue NW ⓘ |
| openingDate | 1910 ⓘ |
| owner | Organization of American States ⓘ |
| partOf |
Organization of American States headquarters
ⓘ
surface form:
Organization of American States headquarters complex
|
| servesAs |
headquarters of the Organization of American States
ⓘ
main building of the Organization of American States ⓘ |
| symbolOf |
Pan-Americanism
ⓘ
inter-American diplomacy ⓘ |
| usedFor |
cultural events
ⓘ
diplomatic receptions ⓘ meetings of foreign ministers of the Americas ⓘ summits of heads of state of the Americas ⓘ |
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: Pan American Union Building Description of subject: The Pan American Union Building is a historic Beaux-Arts headquarters in Washington, D.C., serving as the main building of the Organization of American States and a symbol of inter-American diplomacy.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Pan American Union Building landscaping and additions
this entity surface form:
Pan American Union building
Committee on Inter-American Summits Management and Civil Society Participation
→
headquarters
→
Pan American Union Building
ⓘ
this entity surface form:
OAS General Secretariat building