U.S. Customs Service Building
E472620
contributing property to a historic district
government office building
historic federal office building
The U.S. Customs Service Building is a historic federal office building in Washington, D.C., that once housed the United States Customs Service and forms part of the monumental Federal Triangle complex.
All labels observed (1)
| Label | Occurrences |
|---|---|
| U.S. Customs Service Building canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4821959 — 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. Customs Service Building Context triple: [Federal Triangle, contains, U.S. Customs Service Building]
-
A.
Charles R. Jonas Federal Building
The Charles R. Jonas Federal Building is a historic federal courthouse and office building in Charlotte, North Carolina, that houses proceedings of the U.S. District Court for the Western District of North Carolina.
-
B.
Federico Degetau Federal Building
The Federico Degetau Federal Building is a major federal government complex in San Juan, Puerto Rico, that houses key U.S. government offices and judicial facilities.
-
C.
Southwest Federal Center
Southwest Federal Center is a major federal office district in southwest Washington, D.C., housing numerous U.S. government agency headquarters and office buildings.
-
D.
United States Custom House
The United States Custom House is a historic federal building in New York City that once served as the primary customs collection point for the bustling port, reflecting the city’s central role in American trade and finance.
-
E.
Customs House
Customs House is a historic waterfront building in Hobart, Tasmania, notable for its colonial architecture and former role in administering maritime trade and customs.
- 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. Customs Service Building Target entity description: The U.S. Customs Service Building is a historic federal office building in Washington, D.C., that once housed the United States Customs Service and forms part of the monumental Federal Triangle complex.
-
A.
Charles R. Jonas Federal Building
The Charles R. Jonas Federal Building is a historic federal courthouse and office building in Charlotte, North Carolina, that houses proceedings of the U.S. District Court for the Western District of North Carolina.
-
B.
Federico Degetau Federal Building
The Federico Degetau Federal Building is a major federal government complex in San Juan, Puerto Rico, that houses key U.S. government offices and judicial facilities.
-
C.
Southwest Federal Center
Southwest Federal Center is a major federal office district in southwest Washington, D.C., housing numerous U.S. government agency headquarters and office buildings.
-
D.
United States Custom House
The United States Custom House is a historic federal building in New York City that once served as the primary customs collection point for the bustling port, reflecting the city’s central role in American trade and finance.
-
E.
Customs House
Customs House is a historic waterfront building in Hobart, Tasmania, notable for its colonial architecture and former role in administering maritime trade and customs.
- F. None of above. chosen
Statements (33)
| Predicate | Object |
|---|---|
| instanceOf |
contributing property to a historic district
ⓘ
government office building ⓘ historic federal office building ⓘ |
| architecturalStyle | Neoclassical architecture ⓘ |
| country | United States of America ⓘ |
| formerOccupant | United States Customs Service NERFINISHED ⓘ |
| hasFeature |
central courtyard
ⓘ
classical detailing ⓘ colonnade ⓘ symmetrical façade ⓘ |
| hasFunction |
administrative offices
ⓘ
customs administration (historical) ⓘ |
| heritageDesignation | part of a major interwar federal building program in Washington, D.C. ⓘ |
| heritageStatus | contributing building to the Federal Triangle historic complex ⓘ |
| locatedIn |
Downtown Washington, D.C.
NERFINISHED
ⓘ
Federal Triangle historic district NERFINISHED ⓘ Northwest Quadrant, Washington, D.C. NERFINISHED ⓘ Pennsylvania Avenue National Historic Site NERFINISHED ⓘ Washington, D.C. ⓘ |
| locatedNear |
Department of Commerce Building
NERFINISHED
ⓘ
Federal Trade Commission Building NERFINISHED ⓘ Internal Revenue Service Building NERFINISHED ⓘ Old Post Office Building NERFINISHED ⓘ |
| locatedOn |
Constitution Avenue NW (vicinity)
NERFINISHED
ⓘ
Pennsylvania Avenue NW (vicinity) NERFINISHED ⓘ |
| maintainedBy | U.S. General Services Administration NERFINISHED ⓘ |
| materialUsed |
limestone
ⓘ
steel frame ⓘ |
| owner |
United States government
ⓘ
surface form:
United States federal government
|
| partOf |
Federal Triangle
NERFINISHED
ⓘ
Pennsylvania Avenue Development Area NERFINISHED ⓘ |
| roofMaterial | red tile ⓘ |
| use | federal offices ⓘ |
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. Customs Service Building Description of subject: The U.S. Customs Service Building is a historic federal office building in Washington, D.C., that once housed the United States Customs Service and forms part of the monumental Federal Triangle complex.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.