Prince Edward Viaduct
E244654
The Prince Edward Viaduct is a major multi-span bridge in Toronto, Canada, carrying both road traffic and the city’s subway across the Don Valley and connecting the city’s east and west sides.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Prince Edward Viaduct canonical | 6 |
| Queen Street Viaduct | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1955766 — 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: Prince Edward Viaduct Context triple: [Don River, crossedBy, Prince Edward Viaduct]
-
A.
Pattullo Bridge
The Pattullo Bridge is a major road bridge in Metro Vancouver, British Columbia, connecting the cities of New Westminster and Surrey across the Fraser River.
-
B.
West Gate Bridge
West Gate Bridge is a major steel box-girder road bridge in Melbourne, Australia, known for carrying heavy traffic between the city’s inner west and the central business district and for the tragic collapse during its construction in 1970.
-
C.
Linn Cove Viaduct
Linn Cove Viaduct is a renowned, curving concrete bridge that hugs the side of Grandfather Mountain in North Carolina, celebrated for its innovative design that minimized environmental impact along the Blue Ridge Parkway.
-
D.
Salmon Weir Bridge
Salmon Weir Bridge is a notable bridge in Ballina, County Mayo, Ireland, best known for spanning the River Moy near its famous salmon fisheries.
-
E.
Port Mann Bridge
The Port Mann Bridge is a major cable-stayed highway bridge in British Columbia, Canada, carrying traffic across the Fraser River as part of the Trans-Canada Highway near Vancouver.
- 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: Prince Edward Viaduct Target entity description: The Prince Edward Viaduct is a major multi-span bridge in Toronto, Canada, carrying both road traffic and the city’s subway across the Don Valley and connecting the city’s east and west sides.
-
A.
Pattullo Bridge
The Pattullo Bridge is a major road bridge in Metro Vancouver, British Columbia, connecting the cities of New Westminster and Surrey across the Fraser River.
-
B.
West Gate Bridge
West Gate Bridge is a major steel box-girder road bridge in Melbourne, Australia, known for carrying heavy traffic between the city’s inner west and the central business district and for the tragic collapse during its construction in 1970.
-
C.
Linn Cove Viaduct
Linn Cove Viaduct is a renowned, curving concrete bridge that hugs the side of Grandfather Mountain in North Carolina, celebrated for its innovative design that minimized environmental impact along the Blue Ridge Parkway.
-
D.
Salmon Weir Bridge
Salmon Weir Bridge is a notable bridge in Ballina, County Mayo, Ireland, best known for spanning the River Moy near its famous salmon fisheries.
-
E.
Port Mann Bridge
The Port Mann Bridge is a major cable-stayed highway bridge in British Columbia, Canada, carrying traffic across the Fraser River as part of the Trans-Canada Highway near Vancouver.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
arch bridge
ⓘ
bridge ⓘ deck arch bridge ⓘ railway bridge ⓘ road bridge ⓘ |
| alsoKnownAs | Bloor Viaduct ⓘ |
| architect | Edmund W. Burke ⓘ |
| carries |
Line 2 Bloor–Danforth
ⓘ
Toronto subway ⓘ motor vehicles ⓘ pedestrians ⓘ |
| connects |
east Toronto
ⓘ
West Toronto ⓘ
surface form:
west Toronto
|
| constructionStartDate | 1915 ⓘ |
| coordinates | 43.676°N 79.364°W ⓘ |
| country | Canada ⓘ |
| crosses |
Don River
ⓘ
Don Valley ⓘ Don Valley Parkway ⓘ |
| designedFor | future rail transit ⓘ |
| designer | Edmund W. Burke ⓘ |
| engineer | Thomas Taylor ⓘ |
| hasComponent |
Prince Edward Viaduct truss arches
ⓘ
roadway deck ⓘ subway deck ⓘ |
| hasSafetyFeature | Luminous Veil ⓘ |
| hasToll | no ⓘ |
| heritageStatus | listed heritage structure in Toronto ⓘ |
| length | 494 metres ⓘ |
| locatedIn |
Ontario
ⓘ
Toronto ⓘ |
| LuminousVeilOpeningDate | 2003 ⓘ |
| mainSpanLength | 100 metres ⓘ |
| maintainedBy |
Toronto
ⓘ
surface form:
City of Toronto
|
| materialUsed |
concrete
ⓘ
steel ⓘ |
| namedAfter |
Edward, Prince of Wales
ⓘ
surface form:
Prince Edward, Prince of Wales
|
| numberOfSpans | 5 ⓘ |
| opened | October 18, 1918 ⓘ |
| openingDate | 1918 ⓘ |
| owner |
Toronto
ⓘ
surface form:
City of Toronto
|
| partOf |
Bloor Street West
ⓘ
surface form:
Bloor Street
Bloor Street subway corridor ⓘ
surface form:
Bloor–Danforth corridor
|
| regionServed | Greater Toronto Area ⓘ |
| subwayServiceBegan | 1966 ⓘ |
| trafficType | urban arterial traffic ⓘ |
| width | 40 metres ⓘ |
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: Prince Edward Viaduct Description of subject: The Prince Edward Viaduct is a major multi-span bridge in Toronto, Canada, carrying both road traffic and the city’s subway across the Don Valley and connecting the city’s east and west sides.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.