Union subway station
E143065
Union subway station is a major Toronto Transit Commission (TTC) rapid transit station in downtown Toronto that serves as a key interchange between subway lines and regional rail services.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Union subway station canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T1257416 — 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: Union subway station Context triple: [Union Station, Toronto, connectedTo, Union subway station]
-
A.
Bridge Street subway station
Bridge Street subway station is a Glasgow Subway station serving the Gorbals area just south of Glasgow city centre.
-
B.
Government Center station
Government Center station is a major Boston subway hub and transfer point in downtown Boston, serving multiple MBTA Green Line branches and the Blue Line.
-
C.
City Hall station
City Hall station is a major underground rapid transit stop in Philadelphia located beneath the city's central municipal complex.
-
D.
Concourse B Station
Concourse B Station is an AeroTrain passenger rail stop serving Concourse B at Washington Dulles International Airport, providing automated transit between terminals.
-
E.
Millennium Station
Millennium Station is a major downtown Chicago commuter rail terminal serving Metra Electric District and South Shore Line trains beneath Millennium Park.
- 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: Union subway station Target entity description: Union subway station is a major Toronto Transit Commission (TTC) rapid transit station in downtown Toronto that serves as a key interchange between subway lines and regional rail services.
-
A.
Bridge Street subway station
Bridge Street subway station is a Glasgow Subway station serving the Gorbals area just south of Glasgow city centre.
-
B.
Government Center station
Government Center station is a major Boston subway hub and transfer point in downtown Boston, serving multiple MBTA Green Line branches and the Blue Line.
-
C.
City Hall station
City Hall station is a major underground rapid transit stop in Philadelphia located beneath the city's central municipal complex.
-
D.
Concourse B Station
Concourse B Station is an AeroTrain passenger rail stop serving Concourse B at Washington Dulles International Airport, providing automated transit between terminals.
-
E.
Millennium Station
Millennium Station is a major downtown Chicago commuter rail terminal serving Metra Electric District and South Shore Line trains beneath Millennium Park.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Toronto Transit Commission station
ⓘ
subway station ⓘ transportation hub ⓘ |
| adjacentTo |
Union Station, Toronto
ⓘ
surface form:
Union Station (Toronto)
|
| connectsTo |
GO Transit Barrie line
ⓘ
surface form:
GO Transit Barrie line via Union Station
GO Transit Kitchener line ⓘ
surface form:
GO Transit Kitchener line via Union Station
GO Transit Lakeshore East line ⓘ
surface form:
GO Transit Lakeshore East line via Union Station
GO Transit Lakeshore West line via Union Station ⓘ GO Transit Richmond Hill line via Union Station ⓘ GO Transit Stouffville line via Union Station ⓘ Union Pearson Express via Union Station ⓘ |
| connectsWith |
Union Station, Toronto
ⓘ
surface form:
Union Station (Toronto)
|
| country | Canada ⓘ |
| fareSystem | TTC fare system ⓘ |
| hasAccessibility | wheelchair accessible ⓘ |
| hasArtInstallation | public art within station concourses ⓘ |
| hasConnection | PATH underground pedestrian network ⓘ |
| hasConnectionType | underground pedestrian walkway ⓘ |
| hasFarePaidConnection | TTC streetcar stops on Queens Quay via tunnel and walkway ⓘ |
| hasNearbyFacility |
Union Station (Washington Metro)
ⓘ
surface form:
Union Station Bus Terminal (via Union Station complex)
|
| hasPlatformType |
centre platform
ⓘ
side platform ⓘ |
| hasService |
airport rail link connection
ⓘ
regional rail connection ⓘ subway ⓘ |
| hasStationCode | UN ⓘ |
| hasTicketing |
PRESTO card readers
ⓘ
TTC fare gates ⓘ |
| isInterchangeBetween |
TTC subway and GO Transit rail services
ⓘ
TTC subway and Union Pearson Express ⓘ TTC subway and Via Rail services ⓘ |
| isMajorInterchange | true ⓘ |
| locatedIn |
Canada
ⓘ
Ontario ⓘ Toronto ⓘ |
| locatedInArea | downtown Toronto ⓘ |
| locatedNear |
Downtown Toronto
ⓘ
surface form:
Financial District, Toronto
Harbourfront Centre ⓘ
surface form:
Harbourfront, Toronto
Scotiabank Arena ⓘ |
| openedOn | 1954 ⓘ |
| operatedBy | Toronto Transit Commission ⓘ |
| ownedBy | Toronto Transit Commission ⓘ |
| partOfLineOpening | original Yonge subway line ⓘ |
| partOfSystem |
Toronto subway
ⓘ
surface form:
TTC rapid transit network
Toronto subway ⓘ |
| serves |
Line 1 Yonge–University
ⓘ
Line 3 (Union–Pearson Express walkway access via Union Station) ⓘ |
| structureType | underground 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: Union subway station Description of subject: Union subway station is a major Toronto Transit Commission (TTC) rapid transit station in downtown Toronto that serves as a key interchange between subway lines and regional rail services.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Union Station (Toronto)
subject surface form:
Union Station (Toronto)