Bloor Viaduct
E218442
The Bloor Viaduct is a major multi-span bridge in Toronto, Canada, carrying Bloor Street and the subway over the Don Valley and connecting the city's east and west sides.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Bloor Viaduct canonical | 3 |
| Bloor Street Viaduct | 1 |
| Bloor–Danforth Viaduct | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1955768 — 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: Bloor Viaduct Context triple: [Don River, crossedBy, Bloor Viaduct]
-
A.
Castlefield Viaduct
Castlefield Viaduct is a historic elevated railway viaduct in Manchester, England, now notable for its transformation into an urban sky park and public green space.
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B.
Wellington Bridge
Wellington Bridge is a roadway bridge in the Boston area that carries traffic across the Mystic River between Medford and Somerville, Massachusetts.
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C.
Montague Street Tunnel
The Montague Street Tunnel is a New York City Subway tunnel under the East River that carries trains between Manhattan and Brooklyn.
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D.
Hammersmith Bridge
Hammersmith Bridge is a historic 19th-century suspension bridge in west London that carries traffic across the River Thames between Hammersmith and Barnes.
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E.
Howrah Bridge
Howrah Bridge is an iconic cantilever bridge spanning the Hooghly River in Kolkata, India, renowned as a major transportation lifeline and architectural symbol of the city.
- 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: Bloor Viaduct Target entity description: The Bloor Viaduct is a major multi-span bridge in Toronto, Canada, carrying Bloor Street and the subway over the Don Valley and connecting the city's east and west sides.
-
A.
Castlefield Viaduct
Castlefield Viaduct is a historic elevated railway viaduct in Manchester, England, now notable for its transformation into an urban sky park and public green space.
-
B.
Wellington Bridge
Wellington Bridge is a roadway bridge in the Boston area that carries traffic across the Mystic River between Medford and Somerville, Massachusetts.
-
C.
Montague Street Tunnel
The Montague Street Tunnel is a New York City Subway tunnel under the East River that carries trains between Manhattan and Brooklyn.
-
D.
Hammersmith Bridge
Hammersmith Bridge is a historic 19th-century suspension bridge in west London that carries traffic across the River Thames between Hammersmith and Barnes.
-
E.
Howrah Bridge
Howrah Bridge is an iconic cantilever bridge spanning the Hooghly River in Kolkata, India, renowned as a major transportation lifeline and architectural symbol of the city.
- F. None of above. chosen
Statements (48)
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: Bloor Viaduct Description of subject: The Bloor Viaduct is a major multi-span bridge in Toronto, Canada, carrying Bloor Street and the subway over the Don Valley and connecting the city's east and west sides.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Bloor Street Viaduct
this entity surface form:
Bloor–Danforth Viaduct