ProTrans BC
E730972
ProTrans BC is a private company responsible for operating and maintaining Vancouver’s SkyTrain rapid transit system under contract to the regional transit authority.
All labels observed (1)
| Label | Occurrences |
|---|---|
| ProTrans BC canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8394142 — 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: ProTrans BC Context triple: [SkyTrain, operator, ProTrans BC]
-
A.
VTrans
VTrans is the state government agency responsible for planning, building, and maintaining Vermont’s transportation infrastructure, including highways, bridges, public transit, rail, and aviation.
-
B.
TRANSAT
TRANSAT is the radio callsign used by Air Transat, a Canadian leisure airline operating charter and scheduled flights primarily between Canada and vacation destinations.
-
C.
Para Transpo
Para Transpo is Ottawa’s specialized door-to-door public transit service providing accessible transportation for people with disabilities who cannot use conventional buses.
-
D.
PNBC
PNBC is a historically Black Baptist Christian denomination in the United States known for its strong involvement in the civil rights movement and progressive social activism.
-
E.
British Columbia Ministry of Transportation and Infrastructure
The British Columbia Ministry of Transportation and Infrastructure is the provincial government department responsible for planning, building, operating, and maintaining British Columbia’s transportation networks and related infrastructure.
- 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: ProTrans BC Target entity description: ProTrans BC is a private company responsible for operating and maintaining Vancouver’s SkyTrain rapid transit system under contract to the regional transit authority.
-
A.
VTrans
VTrans is the state government agency responsible for planning, building, and maintaining Vermont’s transportation infrastructure, including highways, bridges, public transit, rail, and aviation.
-
B.
TRANSAT
TRANSAT is the radio callsign used by Air Transat, a Canadian leisure airline operating charter and scheduled flights primarily between Canada and vacation destinations.
-
C.
Para Transpo
Para Transpo is Ottawa’s specialized door-to-door public transit service providing accessible transportation for people with disabilities who cannot use conventional buses.
-
D.
PNBC
PNBC is a historically Black Baptist Christian denomination in the United States known for its strong involvement in the civil rights movement and progressive social activism.
-
E.
British Columbia Ministry of Transportation and Infrastructure
The British Columbia Ministry of Transportation and Infrastructure is the provincial government department responsible for planning, building, operating, and maintaining British Columbia’s transportation networks and related infrastructure.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
private company
ⓘ
public transport operator ⓘ railway operations company ⓘ |
| associatedWith |
SkyTrain network
NERFINISHED
ⓘ
Vancouver public transit system NERFINISHED ⓘ |
| basedIn |
British Columbia
NERFINISHED
ⓘ
Canada NERFINISHED ⓘ Metro Vancouver NERFINISHED ⓘ |
| contractWith |
South Coast British Columbia Transportation Authority
NERFINISHED
ⓘ
TransLink NERFINISHED ⓘ |
| country | Canada ⓘ |
| hasContractType | public–private partnership ⓘ |
| hasRole |
maintenance contractor
ⓘ
operations contractor ⓘ |
| industry |
public transportation
ⓘ
rail transport ⓘ transport infrastructure maintenance ⓘ |
| languageOfWork | English ⓘ |
| legalForm | corporation ⓘ |
| operates |
Canada Line
NERFINISHED
ⓘ
Expo Line NERFINISHED ⓘ Millennium Line NERFINISHED ⓘ SkyTrain NERFINISHED ⓘ |
| operatesOnBehalfOf |
TransLink
NERFINISHED
ⓘ
regional transit authority ⓘ |
| parentOrganization | SNC-Lavalin NERFINISHED ⓘ |
| regionServed | Lower Mainland NERFINISHED ⓘ |
| responsibleFor |
guideway maintenance
ⓘ
maintenance of SkyTrain ⓘ operation of SkyTrain ⓘ staffing of SkyTrain operations ⓘ station maintenance ⓘ train control for SkyTrain ⓘ vehicle maintenance ⓘ |
| serviceArea |
British Columbia
NERFINISHED
ⓘ
Metro Vancouver NERFINISHED ⓘ Vancouver NERFINISHED ⓘ |
| transportMode |
rapid transit
ⓘ
urban rail ⓘ |
| usesTechnology |
automated guideway transit
ⓘ
driverless train operation ⓘ |
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: ProTrans BC Description of subject: ProTrans BC is a private company responsible for operating and maintaining Vancouver’s SkyTrain rapid transit system under contract to the regional transit authority.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.