US Post Office Loop Station
E367314
The US Post Office Loop Station is a United States Postal Service facility located in downtown Chicago, Illinois, serving the Loop business district with mail and shipping services.
All labels observed (2)
| Label | Occurrences |
|---|---|
| US Post Office Loop Station canonical | 3 |
| U.S. Post Office Loop Station | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3543477 — 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: US Post Office Loop Station Context triple: [Federal Center Plaza, adjacentTo, US Post Office Loop Station]
-
A.
Chicago Union Station
Chicago Union Station is a major intercity and commuter rail terminal in downtown Chicago that serves as a central hub for Amtrak and regional rail services.
-
B.
Union Station
Union Station is a historic former railroad terminal in St. Louis that has been transformed into a mixed-use complex featuring attractions, dining, and entertainment.
-
C.
Union Station
Union Station is the main railway station and a historic transportation hub in downtown Los Angeles, renowned for its Mission Revival and Art Deco architecture.
-
D.
Union Station
Union Station is a historic train station and transportation hub in Worcester, Massachusetts, known for its grand Beaux-Arts architecture and role as a key gateway to the city.
-
E.
Union Station
Union Station is a historic train station name commonly used for major passenger rail terminals in several North American cities.
- 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: US Post Office Loop Station Target entity description: The US Post Office Loop Station is a United States Postal Service facility located in downtown Chicago, Illinois, serving the Loop business district with mail and shipping services.
-
A.
Chicago Union Station
Chicago Union Station is a major intercity and commuter rail terminal in downtown Chicago that serves as a central hub for Amtrak and regional rail services.
-
B.
Union Station
Union Station is a historic former railroad terminal in St. Louis that has been transformed into a mixed-use complex featuring attractions, dining, and entertainment.
-
C.
Union Station
Union Station is a historic train station name commonly used for major passenger rail terminals in several North American cities.
-
D.
Union Station
Union Station is the main railway station and a historic transportation hub in downtown Los Angeles, renowned for its Mission Revival and Art Deco architecture.
-
E.
Union Station
Union Station is a historic train station and transportation hub in Worcester, Massachusetts, known for its grand Beaux-Arts architecture and role as a key gateway to the city.
- F. None of above. chosen
Statements (23)
| Predicate | Object |
|---|---|
| instanceOf |
United States Postal Service facility
ⓘ
post office ⓘ |
| buildingUse | postal facility ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| hasLanguage | English ⓘ |
| locatedIn |
Chicago
ⓘ
linked to:
Chicago, Illinois, United States
Chicago Loop ⓘ Illinois ⓘ downtown Chicago ⓘ
linked to:
Downtown Chicago area
|
| operator | United States Postal Service ⓘ |
| partOf | United States Postal Service Chicago network ⓘ |
| postalFunction |
PO box services
ⓘ
mail acceptance ⓘ mail dispatch ⓘ package shipping ⓘ postage sales ⓘ |
| region | Midwestern United States ⓘ |
| serves |
Loop business district
ⓘ
linked to:
Loop community area
|
| service |
mail services
ⓘ
retail postal services ⓘ shipping services ⓘ |
| serviceArea |
Chicago central business district
ⓘ
linked to:
Chicago Loop
|
| state | Illinois ⓘ |
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: US Post Office Loop Station Description of subject: The US Post Office Loop Station is a United States Postal Service facility located in downtown Chicago, Illinois, serving the Loop business district with mail and shipping services.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: US Post Office Loop Station