McCowan Yard
E280565
McCowan Yard is a former maintenance and storage facility in Scarborough, Toronto, that served the now-closed Scarborough RT rapid transit line.
All labels observed (1)
| Label | Occurrences |
|---|---|
| McCowan Yard canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T2572450 — 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: McCowan Yard Context triple: [Scarborough RT, depot, McCowan Yard]
-
A.
Bailey Yard
Bailey Yard is the world’s largest railroad classification yard, located in North Platte, Nebraska, and serving as a major hub for freight train operations in the United States.
-
B.
54th Yard
54th Yard is a maintenance and storage facility serving trains on Chicago's Pink Line rapid transit route.
-
C.
Rozelle Park
Rozelle Park is a historic public park and estate in Ayr, Scotland, known for its woodland walks, ornamental gardens, and cultural attractions.
-
D.
Taylor Stadium
Taylor Stadium is a college baseball venue in Columbia, Missouri, serving as the on-campus home field for the University of Missouri Tigers baseball program.
-
E.
Buck Shaw Stadium
Buck Shaw Stadium is a former multi-purpose sports venue in Santa Clara, California, best known in recent years for hosting Major League Soccer matches before being replaced by a modern soccer-specific stadium.
- 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: McCowan Yard Target entity description: McCowan Yard is a former maintenance and storage facility in Scarborough, Toronto, that served the now-closed Scarborough RT rapid transit line.
-
A.
Bailey Yard
Bailey Yard is the world’s largest railroad classification yard, located in North Platte, Nebraska, and serving as a major hub for freight train operations in the United States.
-
B.
54th Yard
54th Yard is a maintenance and storage facility serving trains on Chicago's Pink Line rapid transit route.
-
C.
Rozelle Park
Rozelle Park is a historic public park and estate in Ayr, Scotland, known for its woodland walks, ornamental gardens, and cultural attractions.
-
D.
Taylor Stadium
Taylor Stadium is a college baseball venue in Columbia, Missouri, serving as the on-campus home field for the University of Missouri Tigers baseball program.
-
E.
Buck Shaw Stadium
Buck Shaw Stadium is a former multi-purpose sports venue in Santa Clara, California, best known in recent years for hosting Major League Soccer matches before being replaced by a modern soccer-specific stadium.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
maintenance facility
ⓘ
railway yard ⓘ transit storage facility ⓘ |
| associatedStation | McCowan station GENERATED ⓘ |
| borough | Scarborough GENERATED ⓘ |
| cityServed | Toronto GENERATED ⓘ |
| country | Canada ⓘ |
| lineStatus | served a now-closed rapid transit line GENERATED ⓘ |
| locatedInUrbanArea | Greater Toronto Area GENERATED ⓘ |
| location |
Canada
GENERATED
ⓘ
Ontario GENERATED ⓘ Scarborough GENERATED ⓘ Toronto ⓘ |
| municipality | Toronto GENERATED ⓘ |
| operator | Toronto Transit Commission ⓘ |
| owner | Toronto Transit Commission GENERATED ⓘ |
| partOfNetwork | TTC Scarborough RT infrastructure GENERATED ⓘ |
| primaryFunction |
maintenance of Scarborough RT vehicles
GENERATED
ⓘ
storage of Scarborough RT vehicles GENERATED ⓘ |
| regionServed | Scarborough GENERATED ⓘ |
| servedAs | maintenance and storage facility for Line 3 Scarborough GENERATED ⓘ |
| servedLine |
Line 3 Scarborough
GENERATED
ⓘ
Scarborough RT GENERATED ⓘ |
| servedSystem |
Toronto subway
ⓘ
surface form:
Toronto Transit Commission rapid transit network
Toronto subway GENERATED ⓘ |
| serviceType |
light metro
GENERATED
ⓘ
rapid transit GENERATED ⓘ |
| status |
closed
GENERATED
ⓘ
former facility GENERATED ⓘ |
| transitMode | rail GENERATED ⓘ |
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: McCowan Yard Description of subject: McCowan Yard is a former maintenance and storage facility in Scarborough, Toronto, that served the now-closed Scarborough RT rapid transit line.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.