Richmond Hill line
E329374
The Richmond Hill line is a GO Transit commuter rail corridor in the Greater Toronto Area that runs between Toronto’s Union Station and communities to the north along the Don Valley and Richmond Hill.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Richmond Hill line canonical | 12 |
| GO Transit Richmond Hill corridor | 1 |
| Metrolinx Richmond Hill rail corridor | 1 |
| Richmond Hill line (GO Transit) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2758140 — 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: Richmond Hill line Context triple: [GO Transit, hasRailServiceBrand, Richmond Hill line]
-
A.
Waterloo & City line
The Waterloo & City line is a short, deep-level London Underground railway line that provides a direct commuter link between Waterloo station and the City of London.
-
B.
Trillium Line
The Trillium Line is a diesel light rail transit line in Ottawa, Ontario, forming part of the city’s O-Train network and connecting southern communities with the downtown area.
-
C.
Esk Valley Line
The Esk Valley Line is a rural railway route in North Yorkshire, England, running through the scenic Esk Valley between Middlesbrough and Whitby.
-
D.
Waterloo–Reading line
The Waterloo–Reading line is a suburban and regional railway route in southern England that connects London Waterloo with Reading, serving numerous commuter towns in Surrey and Berkshire.
-
E.
Lakeshore West line
The Lakeshore West line is a major GO Transit commuter rail corridor in the Greater Toronto and Hamilton Area, running along the north shore of Lake Ontario and connecting Toronto with its western suburbs and cities.
- 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: Richmond Hill line Target entity description: The Richmond Hill line is a GO Transit commuter rail corridor in the Greater Toronto Area that runs between Toronto’s Union Station and communities to the north along the Don Valley and Richmond Hill.
-
A.
Waterloo & City line
The Waterloo & City line is a short, deep-level London Underground railway line that provides a direct commuter link between Waterloo station and the City of London.
-
B.
Trillium Line
The Trillium Line is a diesel light rail transit line in Ottawa, Ontario, forming part of the city’s O-Train network and connecting southern communities with the downtown area.
-
C.
Esk Valley Line
The Esk Valley Line is a rural railway route in North Yorkshire, England, running through the scenic Esk Valley between Middlesbrough and Whitby.
-
D.
Waterloo–Reading line
The Waterloo–Reading line is a suburban and regional railway route in southern England that connects London Waterloo with Reading, serving numerous commuter towns in Surrey and Berkshire.
-
E.
Lakeshore West line
The Lakeshore West line is a major GO Transit commuter rail corridor in the Greater Toronto and Hamilton Area, running along the north shore of Lake Ontario and connecting Toronto with its western suburbs and cities.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
GO Transit rail corridor
ⓘ
commuter rail line ⓘ |
| connectsWith |
Toronto subway system at Union Station
ⓘ
linked to:
Union Station, Toronto
|
| country | Canada ⓘ |
| electrification | not electrified ⓘ |
| follows | Don Valley ⓘ |
| gauge | standard gauge ⓘ |
| hasLanguageOfService | English ⓘ |
| locatedIn |
Canada
ⓘ
Greater Toronto Area ⓘ Ontario ⓘ |
| openedBy | GO Transit ⓘ |
| operator | GO Transit ⓘ |
| owner | Metrolinx ⓘ |
| partOf |
GO Transit rail network
ⓘ
linked to:
GO Transit
|
| primaryStation |
Union Station (Toronto)
ⓘ
linked to:
Union Station, Toronto
|
| province | Ontario ⓘ |
| railwaySystem | GO Transit ⓘ |
| regionServed |
York Region
ⓘ
linked to:
York Region, Ontario
|
| serves |
Richmond Hill
ⓘ
Toronto ⓘ |
| servicePattern | peak-direction commuter service ⓘ |
| serviceType | commuter rail ⓘ |
| terminus |
Richmond Hill GO Station
ⓘ
Union Station (Toronto) ⓘ
linked to:
Union Station, Toronto
|
| trackConfiguration | primarily single track ⓘ |
| usesStation |
Langstaff GO Station
ⓘ
Old Cummer GO Station ⓘ Oriole GO Station ⓘ Richmond Hill GO Station ⓘ |
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: Richmond Hill line Description of subject: The Richmond Hill line is a GO Transit commuter rail corridor in the Greater Toronto Area that runs between Toronto’s Union Station and communities to the north along the Don Valley and Richmond Hill.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Richmond Hill line
subject linked to:
Region of York
linked to: Richmond Hill line
subject linked to:
Union Station (rail)
linked to: Richmond Hill line