The Old Post Office Annex (Dearborn side)
E1009266
The Old Post Office Annex (Dearborn side) is a historic extension of Chicago’s Old Main Post Office complex, fronting South Dearborn Street and reflecting the city’s early 20th-century commercial and postal architecture.
All labels observed (1)
| Label | Occurrences |
|---|---|
| The Old Post Office Annex (Dearborn side) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12889802 — 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: The Old Post Office Annex (Dearborn side) Context triple: [South Dearborn Street, hasNotableBuilding, The Old Post Office Annex (Dearborn side)]
-
A.
Dearborn Heights City Hall
Dearborn Heights City Hall is the main municipal government building and administrative center serving the city of Dearborn Heights, Michigan.
-
B.
Michigan Central Railroad Depot (Ypsilanti)
The Michigan Central Railroad Depot in Ypsilanti is a historic 19th-century train station that served as a key stop on the Michigan Central Railroad and now stands as a preserved architectural and transportation landmark.
-
C.
Ann Arbor City Hall
Ann Arbor City Hall is the main municipal government building of Ann Arbor, Michigan, housing city administrative offices and serving as the center of local civic affairs.
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D.
Fort Dearborn Building
The Fort Dearborn Building is a historic Chicago high-rise known for its early 20th-century architecture and association with the city's commercial development.
-
E.
Daley Building
The Daley Building is an academic facility located on the Loop Campus, serving as one of its primary classroom and office buildings.
- 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: The Old Post Office Annex (Dearborn side) Target entity description: The Old Post Office Annex (Dearborn side) is a historic extension of Chicago’s Old Main Post Office complex, fronting South Dearborn Street and reflecting the city’s early 20th-century commercial and postal architecture.
-
A.
Dearborn Heights City Hall
Dearborn Heights City Hall is the main municipal government building and administrative center serving the city of Dearborn Heights, Michigan.
-
B.
Michigan Central Railroad Depot (Ypsilanti)
The Michigan Central Railroad Depot in Ypsilanti is a historic 19th-century train station that served as a key stop on the Michigan Central Railroad and now stands as a preserved architectural and transportation landmark.
-
C.
Ann Arbor City Hall
Ann Arbor City Hall is the main municipal government building of Ann Arbor, Michigan, housing city administrative offices and serving as the center of local civic affairs.
-
D.
Fort Dearborn Building
The Fort Dearborn Building is a historic Chicago high-rise known for its early 20th-century architecture and association with the city's commercial development.
-
E.
Daley Building
The Daley Building is an academic facility located on the Loop Campus, serving as one of its primary classroom and office buildings.
- F. None of above. chosen
Statements (20)
| Predicate | Object |
|---|---|
| instanceOf |
building
ⓘ
historic building ⓘ postal facility annex ⓘ |
| adjacentTo | Old Chicago Main Post Office NERFINISHED ⓘ |
| architecturalStyle |
early 20th-century commercial architecture
ⓘ
early 20th-century postal architecture ⓘ |
| associatedWith | United States Postal Service NERFINISHED ⓘ |
| category |
Historic commercial buildings in Chicago
ⓘ
Post office buildings in Chicago ⓘ |
| city |
Chicago, Illinois, United States
ⓘ
surface form:
Chicago
|
| country |
United States of America
ⓘ
surface form:
United States
|
| faces | South Dearborn Street NERFINISHED ⓘ |
| function | postal annex ⓘ |
| hasUse | commercial ⓘ |
| heritageStatus | historic structure in Chicago ⓘ |
| locatedIn |
Chicago, Illinois, United States
ⓘ
surface form:
Chicago
Illinois ⓘ United States of America ⓘ
surface form:
United States
|
| partOf |
Chicago Loop area
NERFINISHED
ⓘ
Old Chicago Main Post Office complex NERFINISHED ⓘ |
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: The Old Post Office Annex (Dearborn side) Description of subject: The Old Post Office Annex (Dearborn side) is a historic extension of Chicago’s Old Main Post Office complex, fronting South Dearborn Street and reflecting the city’s early 20th-century commercial and postal architecture.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.