OC Transpo
E28618
OC Transpo is the public transit agency that operates bus and light rail services throughout Ottawa, Ontario.
All labels observed (8)
| Label | Occurrences |
|---|---|
| OC Transpo canonical | 48 |
| OC Transpo bus network | 3 |
| OC Transpo bus rapid transit services | 1 |
| OC Transpo bus rapid transit system | 1 |
| OC Transpo bus service | 1 |
| OC Transpo bus services | 1 |
| OC Transpo network | 1 |
| Ottawa’s OC Transpo | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T224903 — 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: OC Transpo Context triple: [Ottawa, hasPublicTransitOperator, OC Transpo]
-
A.
Toronto Transit Commission
The Toronto Transit Commission is the public agency that operates Toronto’s primary network of subways, buses, and streetcars.
-
B.
TTC
TTC is an organizational partner of the 3rd Generation Partnership Project (3GPP), contributing to the development and standardization of mobile telecommunications technologies.
-
C.
Société de transport de Montréal
The Société de transport de Montréal is the public transit authority responsible for operating Montreal’s bus and metro networks.
-
D.
Chicago Transit Authority
The Chicago Transit Authority is the primary public transportation agency serving Chicago and several surrounding suburbs, operating the city’s extensive network of buses and rapid transit trains.
-
E.
C-TRAN
C-TRAN is the public transit agency serving Clark County and the Vancouver, Washington area, providing bus and express services often coordinated with Portland’s TriMet system.
- 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: OC Transpo Target entity description: OC Transpo is the public transit agency that operates bus and light rail services throughout Ottawa, Ontario.
-
A.
Toronto Transit Commission
The Toronto Transit Commission is the public agency that operates Toronto’s primary network of subways, buses, and streetcars.
-
B.
TTC
TTC is an organizational partner of the 3rd Generation Partnership Project (3GPP), contributing to the development and standardization of mobile telecommunications technologies.
-
C.
Société de transport de Montréal
The Société de transport de Montréal is the public transit authority responsible for operating Montreal’s bus and metro networks.
-
D.
Chicago Transit Authority
The Chicago Transit Authority is the primary public transportation agency serving Chicago and several surrounding suburbs, operating the city’s extensive network of buses and rapid transit trains.
-
E.
C-TRAN
C-TRAN is the public transit agency serving Clark County and the Vancouver, Washington area, providing bus and express services often coordinated with Portland’s TriMet system.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
public transit agency
ⓘ
transport operator ⓘ |
| country | Canada ⓘ |
| fareSystem |
Presto card
ⓘ
monthly passes ⓘ paper tickets ⓘ |
| governingBody | Ottawa City Council ⓘ |
| hasAbbreviation | OC Transpo ⓘ |
| hasCustomerServicePhone | 613-560-5000 ⓘ |
| hasFeature |
bike racks on buses
ⓘ
integrated bus-rail network ⓘ park and ride lots ⓘ real-time bus arrival information ⓘ |
| hasOfficialName | OC Transpo ⓘ |
| hasServiceType |
express bus service
ⓘ
local bus service ⓘ night bus service ⓘ paratransit service ⓘ rapid transit ⓘ |
| hasTransitModeBrand |
O-Train
ⓘ
Transitway ⓘ |
| hasWebsite | https://www.octranspo.com ⓘ |
| headquartersLocation | Ottawa ⓘ |
| languageOfOperation |
English
ⓘ
French ⓘ |
| locatedInTimeZone | Eastern Time Zone ⓘ |
| modeOfTransport |
bus
ⓘ
bus rapid transit ⓘ light rail ⓘ paratransit ⓘ |
| operatesIn | Ontario ⓘ |
| operatorOf |
Confederation Line
ⓘ
O-Train ⓘ Transitway ⓘ Trillium Line ⓘ |
| ownedBy |
City of Ottawa
ⓘ
linked to:
Ottawa
|
| paratransitBrand | Para Transpo ⓘ |
| parentOrganization |
City of Ottawa
ⓘ
linked to:
Ottawa
|
| providesService |
accessible transport
ⓘ
commuter transport ⓘ school transport ⓘ |
| regionServed |
Ottawa urban area
ⓘ
linked to:
Ottawa
|
| serves |
City of Ottawa
ⓘ
linked to:
Ottawa
Ottawa, Ontario ⓘ
linked to:
Ottawa
|
| serviceArea |
National Capital Region (Ontario side)
ⓘ
linked to:
National Capital Region of Canada
|
| usesTicketingSystem | smart card ticketing ⓘ |
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: OC Transpo Description of subject: OC Transpo is the public transit agency that operates bus and light rail services throughout Ottawa, Ontario.
Referenced by (57)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: OC Transpo
linked to: OC Transpo
linked to: OC Transpo
linked to: OC Transpo
linked to: OC Transpo
linked to: OC Transpo
linked to: OC Transpo
linked to: OC Transpo