U.S. Post Office and Courthouse (St. Louis, Missouri)
E471896
The U.S. Post Office and Courthouse in St. Louis, Missouri, is a historic 19th-century federal building known for its grand Second Empire architectural style and its role as a major government and judicial center.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Old Post Office (St. Louis) | 1 |
| U.S. Post Office and Courthouse (St. Louis, Missouri) canonical | 1 |
| U.S. Post Office and Courthouse, Saint Louis | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4819108 — 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: U.S. Post Office and Courthouse (St. Louis, Missouri) Context triple: [Alfred B. Mullett, notableWork, U.S. Post Office and Courthouse (St. Louis, Missouri)]
-
A.
St. Louis city courthouse
St. Louis city courthouse was the municipal judicial center of St. Louis, Missouri, historically associated with significant legal and civic proceedings.
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B.
St. Louis county courthouse
St. Louis County Courthouse is a historic judicial building in downtown St. Louis, Missouri, notable for its 19th-century architecture and role in landmark legal cases such as the Dred Scott decision.
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C.
St. Louis City Hall
St. Louis City Hall is the historic municipal government building of St. Louis, Missouri, known for its ornate French Renaissance Revival architecture and central role in the city’s civic administration.
-
D.
Lewis F. Powell Jr. United States Courthouse
The Lewis F. Powell Jr. United States Courthouse is a historic federal courthouse in Richmond, Virginia, named after Supreme Court Justice Lewis F. Powell Jr.
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E.
Roman L. Hruska Federal Courthouse
The Roman L. Hruska Federal Courthouse is a federal judicial building in Omaha, Nebraska, that houses the operations of the U.S. District Court and related federal legal services.
- 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: U.S. Post Office and Courthouse (St. Louis, Missouri) Target entity description: The U.S. Post Office and Courthouse in St. Louis, Missouri, is a historic 19th-century federal building known for its grand Second Empire architectural style and its role as a major government and judicial center.
-
A.
St. Louis city courthouse
St. Louis city courthouse was the municipal judicial center of St. Louis, Missouri, historically associated with significant legal and civic proceedings.
-
B.
St. Louis county courthouse
St. Louis County Courthouse is a historic judicial building in downtown St. Louis, Missouri, notable for its 19th-century architecture and role in landmark legal cases such as the Dred Scott decision.
-
C.
St. Louis City Hall
St. Louis City Hall is the historic municipal government building of St. Louis, Missouri, known for its ornate French Renaissance Revival architecture and central role in the city’s civic administration.
-
D.
Lewis F. Powell Jr. United States Courthouse
The Lewis F. Powell Jr. United States Courthouse is a historic federal courthouse in Richmond, Virginia, named after Supreme Court Justice Lewis F. Powell Jr.
-
E.
Roman L. Hruska Federal Courthouse
The Roman L. Hruska Federal Courthouse is a federal judicial building in Omaha, Nebraska, that houses the operations of the U.S. District Court and related federal legal services.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
courthouse
ⓘ
government building ⓘ historic federal building ⓘ post office building ⓘ |
| architecturalFeature |
central pavilion
ⓘ
classical columns ⓘ ornate dormer windows ⓘ symmetrical façade ⓘ |
| architecturalPeriod | 19th century ⓘ |
| architecturalStyle | Second Empire NERFINISHED ⓘ |
| associatedWith |
United States Postal Service
NERFINISHED
ⓘ
federal judiciary of the United States NERFINISHED ⓘ |
| category |
Government buildings in St. Louis, Missouri
ⓘ
Second Empire architecture in Missouri ⓘ United States Post Office buildings NERFINISHED ⓘ United States federal courthouses ⓘ |
| continent | North America ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| era | post–Civil War period ⓘ |
| function |
federal courthouse
ⓘ
post office ⓘ |
| governingBody | United States federal government NERFINISHED ⓘ |
| heritageCriteria |
architectural significance
ⓘ
historical significance ⓘ |
| heritageDesignation |
U.S. National Register of Historic Places
NERFINISHED
ⓘ
contributing property in a historic district ⓘ |
| heritageStatus | listed on the National Register of Historic Places ⓘ |
| locatedIn |
Downtown St. Louis
NERFINISHED
ⓘ
Missouri ⓘ St. Louis, Missouri, United States ⓘ
surface form:
St. Louis, Missouri
United States of America ⓘ
surface form:
United States
|
| maintainedBy | General Services Administration NERFINISHED ⓘ |
| material |
brick
ⓘ
stone ⓘ |
| notableFor |
grand Second Empire design
ⓘ
role as a major government and judicial center in St. Louis ⓘ |
| owner | United States government NERFINISHED ⓘ |
| region | Midwestern United States ⓘ |
| roofType | mansard roof ⓘ |
| significance |
major government center
ⓘ
major judicial center ⓘ |
| usedFor |
federal court proceedings
ⓘ
postal services ⓘ |
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: U.S. Post Office and Courthouse (St. Louis, Missouri) Description of subject: The U.S. Post Office and Courthouse in St. Louis, Missouri, is a historic 19th-century federal building known for its grand Second Empire architectural style and its role as a major government and judicial center.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
Railway Exchange Building (St. Louis)
→
locatedNear
→
U.S. Post Office and Courthouse (St. Louis, Missouri)
ⓘ
this entity surface form:
Old Post Office (St. Louis)
this entity surface form:
U.S. Post Office and Courthouse, Saint Louis