Ontario Power Building (MaRS Centre vicinity)
E463651
The Ontario Power Building near the MaRS Centre is a prominent office tower in Toronto’s Discovery District that houses energy-related and other commercial tenants close to major research and innovation facilities.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Ontario Power Building (MaRS Centre vicinity) canonical | 1 |
| Ontario Power Building (MaRS West Tower vicinity) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4707898 — 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: Ontario Power Building (MaRS Centre vicinity) Context triple: [Discovery District, hasInstitution, Ontario Power Building (MaRS Centre vicinity)]
-
A.
MaRS Discovery District
MaRS Discovery District is a major innovation hub in downtown Toronto that supports startups and research in technology, health, and social impact.
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B.
Ted Rogers School of Management building
The Ted Rogers School of Management building is a major academic and business-education facility in downtown Toronto that houses Toronto Metropolitan University’s business school and related programs.
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C.
Harbourfront Centre
Harbourfront Centre is a major arts, culture, and recreational hub located along Toronto’s waterfront, known for its galleries, theatres, festivals, and public events.
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D.
Canada Place
Canada Place is a landmark waterfront complex in downtown Vancouver that serves as a major cruise ship terminal, convention center, and iconic architectural symbol of the city.
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E.
Canada Place
Canada Place is a prominent office and retail complex in London's Canary Wharf financial district, known for its modern architecture and integration with major transport links and shopping areas.
- 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: Ontario Power Building (MaRS Centre vicinity) Target entity description: The Ontario Power Building near the MaRS Centre is a prominent office tower in Toronto’s Discovery District that houses energy-related and other commercial tenants close to major research and innovation facilities.
-
A.
MaRS Discovery District
MaRS Discovery District is a major innovation hub in downtown Toronto that supports startups and research in technology, health, and social impact.
-
B.
Ted Rogers School of Management building
The Ted Rogers School of Management building is a major academic and business-education facility in downtown Toronto that houses Toronto Metropolitan University’s business school and related programs.
-
C.
Harbourfront Centre
Harbourfront Centre is a major arts, culture, and recreational hub located along Toronto’s waterfront, known for its galleries, theatres, festivals, and public events.
-
D.
Canada Place
Canada Place is a landmark waterfront complex in downtown Vancouver that serves as a major cruise ship terminal, convention center, and iconic architectural symbol of the city.
-
E.
Canada Place
Canada Place is a prominent office and retail complex in London's Canary Wharf financial district, known for its modern architecture and integration with major transport links and shopping areas.
- F. None of above. chosen
Statements (18)
| Predicate | Object |
|---|---|
| instanceOf |
commercial building
ⓘ
office building ⓘ |
| associatedWithSector |
commercial services
ⓘ
energy sector ⓘ |
| country | Canada ⓘ |
| hasPrimaryUse | office space ⓘ |
| hasTenantType |
commercial tenants
ⓘ
energy-related companies ⓘ |
| isProminentIn |
Toronto’s Discovery District
ⓘ
linked to:
Downtown Discovery District, Toronto
|
| locatedIn |
Canada
ⓘ
Ontario ⓘ Toronto ⓘ |
| locatedInNeighborhood | Discovery District ⓘ |
| locatedNear |
MaRS Centre
ⓘ
linked to:
MaRS Discovery District
Toronto’s research and innovation facilities ⓘ |
| province | Ontario ⓘ |
| proximityTo |
innovation facilities
ⓘ
major research facilities ⓘ |
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: Ontario Power Building (MaRS Centre vicinity) Description of subject: The Ontario Power Building near the MaRS Centre is a prominent office tower in Toronto’s Discovery District that houses energy-related and other commercial tenants close to major research and innovation facilities.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
Downtown Discovery District, Toronto
→
hasInstitution
→
Ontario Power Building (MaRS West Tower vicinity)
ⓘ
linked to: Ontario Power Building (MaRS Centre vicinity)