Mark II SkyTrain cars
E725015
Mark II SkyTrain cars are a generation of automated, driverless rapid transit vehicles used on Vancouver’s SkyTrain system, featuring articulated, higher-capacity design for urban metro service.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Mark II SkyTrain cars canonical | 2 |
| SkyTrain Mark II trains | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8302857 — 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: Mark II SkyTrain cars Context triple: [SkyTrain Expo Line, rollingStock, Mark II SkyTrain cars]
-
A.
Mark I SkyTrain cars
Mark I SkyTrain cars are the original generation of automated, driverless rapid transit vehicles used on Vancouver’s SkyTrain system.
-
B.
CTA 7000-series railcars
The CTA 7000-series railcars are a modern generation of Chicago Transit Authority rapid transit vehicles designed to replace older fleets with improved performance, accessibility, and passenger amenities.
-
C.
CTA 2200-series railcars
The CTA 2200-series railcars were a fleet of Chicago 'L' rapid transit cars built in the late 1960s, notable for their fluted stainless-steel sides and “blinker” door configuration, which served the system for several decades before retirement.
-
D.
CTA 5000-series railcars
The CTA 5000-series railcars are a modern generation of Chicago "L" rapid transit cars featuring improved accessibility, digital signage, and enhanced passenger comfort and safety systems.
-
E.
Bombardier Flexity Freedom LRVs
Bombardier Flexity Freedom LRVs are a class of modern low-floor light rail vehicles designed by Bombardier for urban transit systems in North America.
- 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: Mark II SkyTrain cars Target entity description: Mark II SkyTrain cars are a generation of automated, driverless rapid transit vehicles used on Vancouver’s SkyTrain system, featuring articulated, higher-capacity design for urban metro service.
-
A.
Mark I SkyTrain cars
Mark I SkyTrain cars are the original generation of automated, driverless rapid transit vehicles used on Vancouver’s SkyTrain system.
-
B.
CTA 7000-series railcars
The CTA 7000-series railcars are a modern generation of Chicago Transit Authority rapid transit vehicles designed to replace older fleets with improved performance, accessibility, and passenger amenities.
-
C.
CTA 2200-series railcars
The CTA 2200-series railcars were a fleet of Chicago 'L' rapid transit cars built in the late 1960s, notable for their fluted stainless-steel sides and “blinker” door configuration, which served the system for several decades before retirement.
-
D.
CTA 5000-series railcars
The CTA 5000-series railcars are a modern generation of Chicago "L" rapid transit cars featuring improved accessibility, digital signage, and enhanced passenger comfort and safety systems.
-
E.
Bombardier Flexity Freedom LRVs
Bombardier Flexity Freedom LRVs are a class of modern low-floor light rail vehicles designed by Bombardier for urban transit systems in North America.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
automated guideway transit vehicle
ⓘ
rapid transit rolling stock ⓘ |
| accessibilityFeature |
level boarding
ⓘ
priority seating ⓘ space for wheelchairs ⓘ |
| automationLevel | unattended train operation (UTO) ⓘ |
| belongsToSystem |
TransLink SkyTrain network
ⓘ
linked to:
Metro Vancouver public transit network
|
| brakingSystem |
electrodynamic braking
ⓘ
friction braking ⓘ regenerative braking ⓘ |
| controlSystem | automatic train control ⓘ |
| countryOfOperation | Canada ⓘ |
| coupling | permanently coupled married pairs ⓘ |
| designedFor | urban metro service ⓘ |
| designFeature |
articulated
ⓘ
higher capacity than Mark I SkyTrain cars ⓘ walk-through interior between cars in a married pair ⓘ |
| doorConfiguration | side doors ⓘ |
| electrification | 600 V DC third rail ⓘ |
| gauge | standard gauge ⓘ |
| hasVariant |
Mark II first generation
ⓘ
Mark II second generation ⓘ Mark II third generation ⓘ |
| introducedOnSystem | SkyTrain Expo Line ⓘ |
| network | SkyTrain automated rapid transit system ⓘ |
| operatedBy |
British Columbia Rapid Transit Company
ⓘ
linked to:
BC Rapid Transit Company
TransLink ⓘ |
| operationMode |
driverless
ⓘ
fully automated ⓘ |
| partOfFleet |
SkyTrain rolling stock
ⓘ
linked to:
SkyTrain
|
| powerSupply | third rail ⓘ |
| primaryUse | passenger transport ⓘ |
| serviceType |
metro
ⓘ
rapid transit ⓘ |
| successorOf | Mark I SkyTrain cars ⓘ |
| technology | linear induction motor ⓘ |
| trackGauge | 1435 mm ⓘ |
| usedInCity | Vancouver ⓘ |
| usedInCountry | Canada ⓘ |
| usedInRegion |
Metro Vancouver
ⓘ
linked to:
Metro Vancouver, Canada
|
| usedOn | SkyTrain ⓘ |
| usedOnLine |
Evergreen Extension
ⓘ
Expo Line ⓘ Millennium Line ⓘ |
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: Mark II SkyTrain cars Description of subject: Mark II SkyTrain cars are a generation of automated, driverless rapid transit vehicles used on Vancouver’s SkyTrain system, featuring articulated, higher-capacity design for urban metro service.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
Millennium Line at Lougheed Town Centre station (historically via branch)
→
rollingStock
→
SkyTrain Mark II trains
ⓘ
linked to: Mark II SkyTrain cars