National Postal Museum
E32910
The National Postal Museum is a Smithsonian museum in Washington, D.C., dedicated to the history of the United States postal service and philately.
All labels observed (5)
| Label | Occurrences |
|---|---|
| National Postal Museum canonical | 8 |
| Smithsonian National Postal Museum | 4 |
| National Stamp Salon | 1 |
| Smithsonian National Postal Museum building | 1 |
| World of Stamps | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T254141 — 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 Postal Museum Context triple: [Smithsonian Institution, hasPart, National Postal Museum]
-
A.
National Museum of American History
The National Museum of American History is a Smithsonian institution in Washington, D.C., dedicated to preserving and interpreting the political, cultural, scientific, and social history of the United States.
-
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.
East Building
The East Building is a modernist wing of the National Gallery of Art in Washington, D.C., renowned for its angular architecture by I. M. Pei and its collection of modern and contemporary art.
-
D.
National Gallery of Art
The National Gallery of Art is a major U.S. art museum renowned for its extensive collection of European and American masterpieces, located on the National Mall.
-
E.
Norman Rockwell Museum
The Norman Rockwell Museum is a Massachusetts art museum dedicated to preserving and exhibiting the works and legacy of American illustrator Norman Rockwell.
- 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 Postal Museum Target entity description: The National Postal Museum is a Smithsonian museum in Washington, D.C., dedicated to the history of the United States postal service and philately.
-
A.
National Museum of American History
The National Museum of American History is a Smithsonian institution in Washington, D.C., dedicated to preserving and interpreting the political, cultural, scientific, and social history of the United States.
-
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.
East Building
The East Building is a modernist wing of the National Gallery of Art in Washington, D.C., renowned for its angular architecture by I. M. Pei and its collection of modern and contemporary art.
-
D.
National Gallery of Art
The National Gallery of Art is a major U.S. art museum renowned for its extensive collection of European and American masterpieces, located on the National Mall.
-
E.
Norman Rockwell Museum
The Norman Rockwell Museum is a Massachusetts art museum dedicated to preserving and exhibiting the works and legacy of American illustrator Norman Rockwell.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Smithsonian museum
ⓘ
history museum ⓘ postal museum ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| dedicatedTo |
history of the United States Postal Service
ⓘ
philately ⓘ |
| exhibits |
evolution of postal technology
ⓘ
history of mail delivery in the United States ⓘ international postal history ⓘ rare and famous stamps ⓘ |
| focusesOn |
mail transportation
ⓘ
postal history ⓘ stamp collecting ⓘ |
| hasCollection |
mail processing equipment
ⓘ
mail transport vehicles ⓘ philatelic literature ⓘ postage stamps ⓘ postal artifacts ⓘ postal stationery ⓘ postal uniforms ⓘ |
| hasEducationalProgram |
philatelic education programs
ⓘ
public lectures on postal history ⓘ school group tours ⓘ |
| hasNotableCollection |
Inverted Jenny stamp block
ⓘ
National Philatelic Collection ⓘ Presidential Issue stamps ⓘ rare U.S. airmail stamps ⓘ |
| hasPermanentExhibition |
America’s Mailing Industry
ⓘ
Binding the Nation ⓘ Mail Call ⓘ National Postal Museum self-linksurface differs ⓘ
surface form:
National Stamp Salon
Systems at Work ⓘ National Postal Museum self-linksurface differs ⓘ
surface form:
World of Stamps
|
| hasVisitorOrientation | public museum ⓘ |
| hasWebsite | https://postalmuseum.si.edu ⓘ |
| inception | 1993 ⓘ |
| locatedIn |
District of Columbia
ⓘ
United States Capitol Complex ⓘ
surface form:
United States Capitol complex
Washington, D.C. ⓘ |
| locatedInBuilding |
Old Post Office Pavilion
ⓘ
surface form:
City Post Office Building
former Washington City Post Office ⓘ |
| locatedInTimeZone | Eastern Time Zone ⓘ |
| locatedNear |
Union Station (Washington Metro)
ⓘ
surface form:
Union Station (Washington, D.C.)
|
| opened | July 30, 1993 ⓘ |
| operatedBy | Smithsonian Institution ⓘ |
| ownedBy | Smithsonian Institution ⓘ |
| partOf |
Smithsonian Institution
ⓘ
surface form:
Smithsonian Institution museum system
|
| streetAddress | 2 Massachusetts Avenue NE ⓘ |
| subjectOf | Smithsonian Institution publications ⓘ |
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 Postal Museum Description of subject: The National Postal Museum is a Smithsonian museum in Washington, D.C., dedicated to the history of the United States postal service and philately.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
World of Stamps
this entity surface form:
National Stamp Salon
this entity surface form:
Smithsonian National Postal Museum
this entity surface form:
Smithsonian National Postal Museum
this entity surface form:
Smithsonian National Postal Museum
this entity surface form:
Smithsonian National Postal Museum
this entity surface form:
Smithsonian National Postal Museum building