Exchange Tower
E77974
Exchange Tower is a prominent office skyscraper in Toronto’s financial district that serves as the headquarters of the Toronto Stock Exchange.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Exchange Tower canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T622610 — 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: Exchange Tower Context triple: [Toronto Stock Exchange, building, Exchange Tower]
-
A.
Central Tower
Central Tower is the slender, octagonal, spire-topped ventilation and bell tower rising from the middle of the Palace of Westminster in London.
-
B.
Queen Victoria Building
The Queen Victoria Building is a grand late-19th-century Romanesque Revival shopping arcade and heritage landmark in central Sydney, renowned for its ornate architecture and restored interior.
-
C.
Queen's Centre
Queen's Centre is a major athletics, recreation, and student life complex at Queen's University in Kingston, Ontario.
-
D.
Beetham Tower
Beetham Tower is a prominent mixed-use skyscraper in Manchester, England, known for its distinctive glass design and status as one of the city's tallest buildings.
-
E.
Meridian Centre
Meridian Centre is a multi-purpose indoor arena in downtown St. Catharines, Ontario, primarily used for ice hockey, concerts, and other large events.
- 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: Exchange Tower Target entity description: Exchange Tower is a prominent office skyscraper in Toronto’s financial district that serves as the headquarters of the Toronto Stock Exchange.
-
A.
Central Tower
Central Tower is the slender, octagonal, spire-topped ventilation and bell tower rising from the middle of the Palace of Westminster in London.
-
B.
Queen Victoria Building
The Queen Victoria Building is a grand late-19th-century Romanesque Revival shopping arcade and heritage landmark in central Sydney, renowned for its ornate architecture and restored interior.
-
C.
Queen's Centre
Queen's Centre is a major athletics, recreation, and student life complex at Queen's University in Kingston, Ontario.
-
D.
Beetham Tower
Beetham Tower is a prominent mixed-use skyscraper in Manchester, England, known for its distinctive glass design and status as one of the city's tallest buildings.
-
E.
Meridian Centre
Meridian Centre is a multi-purpose indoor arena in downtown St. Catharines, Ontario, primarily used for ice hockey, concerts, and other large events.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
commercial office building
ⓘ
high-rise building ⓘ office skyscraper ⓘ |
| architecturalStyle | Modernist architecture ⓘ |
| city | Toronto ⓘ |
| connectedTo |
First Canadian Place
ⓘ
PATH (Toronto) ⓘ
surface form:
PATH (Toronto underground pedestrian system)
|
| country | Canada ⓘ |
| developedBy | Olympia and York Developments ⓘ |
| hasFeature | indoor connection to PATH network ⓘ |
| hasFunction |
financial services offices
ⓘ
stock exchange operations ⓘ |
| hasTenant |
TMX Group
ⓘ
Toronto Stock Exchange ⓘ |
| headquartersOf | Toronto Stock Exchange ⓘ |
| height | ~146 m ⓘ |
| locatedIn |
Canada
ⓘ
Ontario ⓘ Toronto ⓘ Downtown Toronto ⓘ
surface form:
Toronto Financial District
|
| locatedInTimeZone | America/Toronto ⓘ |
| neighbourhood | Downtown Toronto ⓘ |
| numberOfFloors | 36 ⓘ |
| openingDate | 1981 ⓘ |
| ownedBy | Brookfield Properties ⓘ |
| partOf |
First Canadian Place
ⓘ
surface form:
First Canadian Place complex
|
| postalCode | M5X 1J2 ⓘ |
| primaryUse | office ⓘ |
| provinceOrState | Ontario ⓘ |
| region | Greater Toronto Area ⓘ |
| streetAddress | 130 King Street West ⓘ |
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: Exchange Tower Description of subject: Exchange Tower is a prominent office skyscraper in Toronto’s financial district that serves as the headquarters of the Toronto Stock Exchange.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Financial District (Toronto)