Baltimore City Hall
E339579
Baltimore City Hall is the historic government building in downtown Baltimore that houses the offices of the city's mayor and other municipal officials.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Baltimore City Hall canonical | 6 |
| Baltimore City Hall and Courthouse (historic designation context) | 1 |
| Baltimore City Hall, Baltimore, Maryland | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3235731 — 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: Baltimore City Hall Context triple: [Baltimore City Council, meetsIn, Baltimore City Hall]
-
A.
Bladensburg Town Hall
Bladensburg Town Hall is the municipal government building serving as the administrative and civic center for the town of Bladensburg, Maryland.
-
B.
Montgomery City Hall
Montgomery City Hall is the central municipal government building of Montgomery, Alabama, housing key city offices and serving as the primary venue for official civic functions.
-
C.
Baltimore Tower
Baltimore Tower is a distinctive, spiraling residential skyscraper in London’s Canary Wharf district, known for its modern design and prominent position on the Docklands skyline.
-
D.
Boston City Hall
Boston City Hall is a prominent example of Brutalist civic architecture in downtown Boston that houses the city’s municipal government offices and council chambers.
-
E.
Robert C. Weaver Federal Building
The Robert C. Weaver Federal Building is a modernist federal office building in Washington, D.C., that serves as the headquarters of the U.S. Department of Housing and Urban Development.
- 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: Baltimore City Hall Target entity description: Baltimore City Hall is the historic government building in downtown Baltimore that houses the offices of the city's mayor and other municipal officials.
-
A.
Bladensburg Town Hall
Bladensburg Town Hall is the municipal government building serving as the administrative and civic center for the town of Bladensburg, Maryland.
-
B.
Montgomery City Hall
Montgomery City Hall is the central municipal government building of Montgomery, Alabama, housing key city offices and serving as the primary venue for official civic functions.
-
C.
Baltimore Tower
Baltimore Tower is a distinctive, spiraling residential skyscraper in London’s Canary Wharf district, known for its modern design and prominent position on the Docklands skyline.
-
D.
Boston City Hall
Boston City Hall is a prominent example of Brutalist civic architecture in downtown Boston that houses the city’s municipal government offices and council chambers.
-
E.
Robert C. Weaver Federal Building
The Robert C. Weaver Federal Building is a modernist federal office building in Washington, D.C., that serves as the headquarters of the U.S. Department of Housing and Urban Development.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
city hall
ⓘ
government building ⓘ historic building ⓘ |
| architect |
George A. Frederick
NERFINISHED
ⓘ
James Crawford Neilson ⓘ John Rudolph Niernsee ⓘ |
| architecturalStyle |
Renaissance Revival
ⓘ
Second Empire ⓘ |
| coordinates | 39.2906°N 76.6105°W ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| endDateOfConstruction | 1875 ⓘ |
| hasAlternateName |
Baltimore City Hall
ⓘ
surface form:
Baltimore City Hall and Courthouse (historic designation context)
|
| hasCity | Baltimore ⓘ |
| hasDome | true ⓘ |
| hasFacadeDirection | west ⓘ |
| hasFunction |
office of the Mayor of Baltimore
ⓘ
Baltimore City Council ⓘ
surface form:
offices of Baltimore City Council
offices of other municipal officials ⓘ seat of municipal government ⓘ |
| hasPostalCode | 21202 ⓘ |
| hasSignificantEvent | major restoration in the 1970s ⓘ |
| heritageStatus | listed on the National Register of Historic Places ⓘ |
| inception | 1875 ⓘ |
| isSeatOf |
Baltimore City Council
ⓘ
Baltimore City government ⓘ
surface form:
Government of Baltimore
Mayor of Baltimore ⓘ |
| locatedIn |
Baltimore
ⓘ
Downtown Baltimore ⓘ Maryland ⓘ |
| locatedInTimeZone | Eastern Time Zone ⓘ |
| maintainedBy |
Baltimore
ⓘ
surface form:
City of Baltimore
|
| materialUsed |
granite
ⓘ
marble ⓘ |
| NRHPListingDate | 1971 ⓘ |
| NRHPReferenceNumber | 71001036 ⓘ |
| numberOfFloors | 4 ⓘ |
| ownedBy |
Baltimore
ⓘ
surface form:
City of Baltimore
|
| startDateOfConstruction | 1867 ⓘ |
| usedFor |
administrative offices
ⓘ
official ceremonies ⓘ public meetings ⓘ |
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: Baltimore City Hall Description of subject: Baltimore City Hall is the historic government building in downtown Baltimore that houses the offices of the city's mayor and other municipal officials.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Baltimore City Hall, Baltimore, Maryland
subject surface form:
Council President of the Baltimore City Council
this entity surface form:
Baltimore City Hall and Courthouse (historic designation context)