Ottawa City Hall
E154445
Ottawa City Hall is the main municipal government complex in Ottawa, Ontario, housing the city's administrative offices and council chambers.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Ottawa City Hall canonical | 4 |
| Heritage Building (Ottawa City Hall) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1329782 — 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: Ottawa City Hall Context triple: [Ottawa City Council, meetsAt, Ottawa City Hall]
-
A.
Ontario Legislative Building
The Ontario Legislative Building is a historic Romanesque Revival structure in Toronto that serves as the seat of Ontario’s provincial government.
-
B.
Senate of Canada Building
The Senate of Canada Building is a historic Beaux-Arts structure in downtown Ottawa that now serves as the temporary home of Canada’s Senate chamber and related parliamentary functions.
-
C.
Parliament Hill
Parliament Hill is the iconic political and cultural heart of Canada in Ottawa, housing the country’s main federal legislative buildings and serving as a symbol of Canadian democracy.
-
D.
Supreme Court of Canada Building
The Supreme Court of Canada Building is the historic Art Deco-style courthouse in Ottawa that houses Canada’s highest judicial body.
-
E.
Montreal City Hall
Montreal City Hall is the historic seat of municipal government in Montreal, housing the mayor’s office and serving as the central venue for the city’s political and administrative affairs.
- 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: Ottawa City Hall Target entity description: Ottawa City Hall is the main municipal government complex in Ottawa, Ontario, housing the city's administrative offices and council chambers.
-
A.
Ontario Legislative Building
The Ontario Legislative Building is a historic Romanesque Revival structure in Toronto that serves as the seat of Ontario’s provincial government.
-
B.
Senate of Canada Building
The Senate of Canada Building is a historic Beaux-Arts structure in downtown Ottawa that now serves as the temporary home of Canada’s Senate chamber and related parliamentary functions.
-
C.
Parliament Hill
Parliament Hill is the iconic political and cultural heart of Canada in Ottawa, housing the country’s main federal legislative buildings and serving as a symbol of Canadian democracy.
-
D.
Supreme Court of Canada Building
The Supreme Court of Canada Building is the historic Art Deco-style courthouse in Ottawa that houses Canada’s highest judicial body.
-
E.
Montreal City Hall
Montreal City Hall is the historic seat of municipal government in Montreal, housing the mayor’s office and serving as the central venue for the city’s political and administrative affairs.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
city hall
ⓘ
municipal government building ⓘ |
| address | 110 Laurier Avenue West ⓘ |
| architect |
Moriyama & Teshima Architects
ⓘ
Raymond Moriyama NERFINISHED ⓘ |
| architecturalStyle | postmodern architecture ⓘ |
| category |
Buildings and structures in Ottawa
ⓘ
City and town halls in Canada ⓘ Seats of local government in Canada ⓘ |
| coordinates | 45.4214°N 75.6903°W ⓘ |
| country | Canada ⓘ |
| function |
administrative centre for municipal services
ⓘ
location of city council meetings ⓘ seat of municipal government of Ottawa ⓘ |
| governs |
City of Ottawa municipal administration
ⓘ
linked to:
Ottawa
|
| hasPart |
Heritage Building (Ottawa City Hall)
ⓘ
linked to:
Ottawa City Hall
Marion Dewar Plaza ⓘ Rink of Dreams ⓘ council chamber of Ottawa City Hall ⓘ modern wing of Ottawa City Hall ⓘ public atrium ⓘ service counters for municipal services ⓘ |
| hasPublicSpace | outdoor plaza for events ⓘ |
| heritageComponentConstructionStart | 1877 ⓘ |
| heritageComponentInstanceOf | heritage building ⓘ |
| houses |
Ottawa City Council
ⓘ
mayor’s office of Ottawa ⓘ
linked to:
Mayor of Ottawa
municipal administrative offices of Ottawa ⓘ |
| inception | 1990 ⓘ |
| locatedIn |
Ontario
ⓘ
Ottawa ⓘ downtown Ottawa ⓘ |
| maintainedBy |
City of Ottawa
ⓘ
linked to:
Ottawa
|
| nearbyFeature |
Confederation Park
ⓘ
National Arts Centre ⓘ Rideau Canal ⓘ |
| openedForUse | 1990s ⓘ |
| owner |
City of Ottawa
ⓘ
linked to:
Ottawa
|
| previouslyKnownAs | Regional Municipality of Ottawa–Carleton headquarters ⓘ |
| publicTransitAccess | OC Transpo bus routes ⓘ |
| usedFor |
civic ceremonies
ⓘ
municipal committee meetings ⓘ public consultations ⓘ public events ⓘ |
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: Ottawa City Hall Description of subject: Ottawa City Hall is the main municipal government complex in Ottawa, Ontario, housing the city's administrative offices and council chambers.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Ottawa City Hall