Calgary CTrain
E86504
Calgary CTrain is the light rail transit system serving Calgary, Alberta, known for its extensive network and high ridership within the city's public transportation system.
All labels observed (9)
| Label | Occurrences |
|---|---|
| Calgary CTrain canonical | 14 |
| Blue Line (Calgary CTrain) | 1 |
| Calgary CTrain Blue Line | 1 |
| Calgary CTrain Red Line | 1 |
| Calgary CTrain network | 1 |
| Calgary LRT network | 1 |
| Calgary Transit | 1 |
| Calgary light rail system | 1 |
| Red Line (Calgary) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T712172 — 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: Calgary CTrain Context triple: [Siemens S70, usedInSystem, Calgary CTrain]
-
A.
Toronto Civic Railways
Toronto Civic Railways was a municipally owned streetcar system that operated in Toronto in the early 20th century before being absorbed into the unified public transit network.
-
B.
Toronto subway
The Toronto subway is the primary rapid transit system in Toronto, Ontario, consisting of multiple underground and elevated lines that serve as the backbone of the city’s public transportation network.
-
C.
Montreal Metro
The Montreal Metro is the rubber-tired rapid transit system serving the city of Montreal and its surrounding areas, known for its extensive underground network and distinctively designed stations.
-
D.
Spadina streetcar line
The Spadina streetcar line is a major Toronto Transit Commission route running along Spadina Avenue, connecting key downtown destinations including the University of Toronto’s St. George campus.
-
E.
METRO light rail
METRO light rail is a rapid transit system serving the Minneapolis–Saint Paul metropolitan area with multiple color-designated lines connecting key urban, suburban, and airport destinations.
- 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: Calgary CTrain Target entity description: Calgary CTrain is the light rail transit system serving Calgary, Alberta, known for its extensive network and high ridership within the city's public transportation system.
-
A.
Toronto Civic Railways
Toronto Civic Railways was a municipally owned streetcar system that operated in Toronto in the early 20th century before being absorbed into the unified public transit network.
-
B.
Toronto subway
The Toronto subway is the primary rapid transit system in Toronto, Ontario, consisting of multiple underground and elevated lines that serve as the backbone of the city’s public transportation network.
-
C.
Montreal Metro
The Montreal Metro is the rubber-tired rapid transit system serving the city of Montreal and its surrounding areas, known for its extensive underground network and distinctively designed stations.
-
D.
Spadina streetcar line
The Spadina streetcar line is a major Toronto Transit Commission route running along Spadina Avenue, connecting key downtown destinations including the University of Toronto’s St. George campus.
-
E.
METRO light rail
METRO light rail is a rapid transit system serving the Minneapolis–Saint Paul metropolitan area with multiple color-designated lines connecting key urban, suburban, and airport destinations.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
light rail transit system
ⓘ
public transport system ⓘ |
| beganOperation | 1981 ⓘ |
| connectsTo |
Calgary suburbs
ⓘ
Downtown Calgary ⓘ major employment centres in Calgary ⓘ post-secondary institutions in Calgary ⓘ recreation facilities in Calgary ⓘ shopping centres in Calgary ⓘ |
| country | Canada ⓘ |
| electrification | overhead catenary ⓘ |
| environmentalImpact | reduces automobile dependence in Calgary ⓘ |
| fareCollection |
mobile ticketing
ⓘ
ticket vending machines at stations ⓘ transit passes ⓘ |
| fareIntegrationWith | Calgary Transit bus network ⓘ |
| fareSystem | proof-of-payment ⓘ |
| fareZoneSystem | single-zone ⓘ |
| hasAbbreviation | CTrain ⓘ |
| hasLine |
Blue Line
ⓘ
Red Line ⓘ |
| hasRollingStockType |
Siemens S200
ⓘ
Siemens SD-160 ⓘ Siemens-Duewag U2 ⓘ |
| hasServicePattern |
frequent all-day service
ⓘ
peak-period capacity increases ⓘ |
| hasStationType |
at-grade
ⓘ
elevated ⓘ sub-surface ⓘ |
| languageOfName | English ⓘ |
| locatedIn |
Alberta
ⓘ
Calgary ⓘ |
| notableFeature |
downtown transit mall along 7 Avenue
ⓘ
high per-capita ridership for North American light rail ⓘ |
| numberOfLines | 2 ⓘ |
| openingDate | 1981-05-25 ⓘ |
| operator | Calgary Transit ⓘ |
| owner |
City of Calgary
ⓘ
linked to:
Calgary
|
| partOf |
Calgary public transportation system
ⓘ
linked to:
Calgary Transit
|
| poweredBy | electricity ⓘ |
| primaryCityServed | Calgary ⓘ |
| provinceServed | Alberta ⓘ |
| rightOfWay |
exclusive
ⓘ
street-running in downtown core ⓘ |
| safetySystem | signalized right-of-way ⓘ |
| trackGauge | standard gauge ⓘ |
| transitType | light rail ⓘ |
| usesPlatformType | high-floor platforms ⓘ |
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: Calgary CTrain Description of subject: Calgary CTrain is the light rail transit system serving Calgary, Alberta, known for its extensive network and high ridership within the city's public transportation system.
Referenced by (22)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Siemens S700 light rail vehicles
linked to: Calgary CTrain
subject linked to:
Siemens U2 LRVs
subject linked to:
Siemens SD160 LRVs
linked to: Calgary CTrain
linked to: Calgary CTrain
subject linked to:
Red Line
linked to: Calgary CTrain
subject linked to:
Red Line
linked to: Calgary CTrain
subject linked to:
Blue Line
linked to: Calgary CTrain
subject linked to:
Blue Line
linked to: Calgary CTrain
linked to: Calgary CTrain