GO Transit commuter rail lines (Lakeshore East and Stouffville corridors)
E189329
The GO Transit commuter rail lines on the Lakeshore East and Stouffville corridors are regional rail services in the Greater Toronto Area that connect eastern Toronto and its suburbs with downtown Toronto and other key destinations.
All labels observed (1)
| Label | Occurrences |
|---|---|
| GO Transit commuter rail lines (Lakeshore East and Stouffville corridors) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1683302 — 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: GO Transit commuter rail lines (Lakeshore East and Stouffville corridors) Context triple: [Eastern Toronto, hasTransportationInfrastructure, GO Transit commuter rail lines (Lakeshore East and Stouffville corridors)]
-
A.
GO Transit Lakeshore East line
chosen
The GO Transit Lakeshore East line is a commuter rail corridor in the Greater Toronto Area that runs eastward from Toronto’s Union Station through suburban communities toward Oshawa.
-
B.
GO Transit Lakeshore West line
The GO Transit Lakeshore West line is a commuter rail corridor in Southern Ontario that runs westward from Toronto’s Union Station through cities along the shore of Lake Ontario to Hamilton and Niagara Falls.
-
C.
GO Transit Stouffville line
The GO Transit Stouffville line is a commuter rail line in the Greater Toronto Area that runs between downtown Toronto and communities to the northeast, including Stouffville.
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D.
GO Transit Richmond Hill line
The GO Transit Richmond Hill line is a commuter rail service in the Greater Toronto Area that connects downtown Toronto with communities along the Richmond Hill corridor.
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E.
GO Transit Kitchener line
The GO Transit Kitchener line is a regional commuter rail corridor in Southern Ontario that connects Toronto with communities to the west, including Kitchener and Waterloo.
- F. None of above.
- 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: GO Transit commuter rail lines (Lakeshore East and Stouffville corridors) Target entity description: The GO Transit commuter rail lines on the Lakeshore East and Stouffville corridors are regional rail services in the Greater Toronto Area that connect eastern Toronto and its suburbs with downtown Toronto and other key destinations.
-
A.
GO Transit Lakeshore East line
chosen
The GO Transit Lakeshore East line is a commuter rail corridor in the Greater Toronto Area that runs eastward from Toronto’s Union Station through suburban communities toward Oshawa.
-
B.
GO Transit Lakeshore West line
The GO Transit Lakeshore West line is a commuter rail corridor in Southern Ontario that runs westward from Toronto’s Union Station through cities along the shore of Lake Ontario to Hamilton and Niagara Falls.
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C.
GO Transit Stouffville line
The GO Transit Stouffville line is a commuter rail line in the Greater Toronto Area that runs between downtown Toronto and communities to the northeast, including Stouffville.
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D.
GO Transit Richmond Hill line
The GO Transit Richmond Hill line is a commuter rail service in the Greater Toronto Area that connects downtown Toronto with communities along the Richmond Hill corridor.
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E.
GO Transit Kitchener line
The GO Transit Kitchener line is a regional commuter rail corridor in Southern Ontario that connects Toronto with communities to the west, including Kitchener and Waterloo.
- F. None of above.
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf |
commuter rail service network
ⓘ
regional rail service ⓘ |
| accessibility | wheelchair-accessible trains and stations on most stops ⓘ |
| category |
GO Transit Lakeshore East line
ⓘ
surface form:
GO Transit rail lines
transport in the Greater Toronto Area ⓘ |
| connects | suburban stations to Union Station (Toronto) ⓘ |
| connectsWith |
GO Bus
ⓘ
surface form:
GO bus network
Toronto Transit Commission bus routes ⓘ
surface form:
TTC bus network
Toronto subway ⓘ
surface form:
Toronto subway system
|
| country | Canada ⓘ |
| electrificationStatus | partially electrified or planned for electrification ⓘ |
| fareIntegration | integrated with GO Transit fare zones ⓘ |
| fareSystem | PRESTO card compatible ⓘ |
| gauge | standard gauge ⓘ |
| integration | part of regional transportation planning by Metrolinx ⓘ |
| locatedIn |
Ontario
ⓘ
surface form:
Province of Ontario
|
| offPeakUsage | regional travel and events-related trips ⓘ |
| operator | GO Transit ⓘ |
| owner | Metrolinx ⓘ |
| partOf |
GO Transit
ⓘ
surface form:
GO Transit rail network
|
| peakUsage | weekday commuter traffic ⓘ |
| primaryLocomotives | diesel-electric locomotives ⓘ |
| primaryRollingStock | bi-level commuter rail coaches ⓘ |
| purpose |
to connect eastern suburbs with downtown Toronto
ⓘ
to provide regional commuter rail access to Union Station ⓘ |
| regionServed | eastern Greater Toronto Area ⓘ |
| safetySystem | Centralized traffic control ⓘ |
| serves |
Regional Municipality of Durham
ⓘ
surface form:
Durham Region
Greater Toronto Area ⓘ Toronto ⓘ eastern Toronto ⓘ |
| serviceType |
all-day service on core segments
ⓘ
peak-period commuter service on outer segments ⓘ |
| terminus |
Union Station, Toronto
ⓘ
surface form:
Union Station (Toronto)
|
| ticketing | distance-based fares ⓘ |
| usesCorridor |
Lakeshore East corridor
ⓘ
Stouffville corridor ⓘ |
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: GO Transit commuter rail lines (Lakeshore East and Stouffville corridors) Description of subject: The GO Transit commuter rail lines on the Lakeshore East and Stouffville corridors are regional rail services in the Greater Toronto Area that connect eastern Toronto and its suburbs with downtown Toronto and other key destinations.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
Eastern Toronto
→
hasTransportationInfrastructure
→
GO Transit commuter rail lines (Lakeshore East and Stouffville corridors)
ⓘ