Ventra
E1909
Ventra is the contactless fare payment system used across Chicago’s public transit network, including buses and trains.
All labels observed (13)
| Label | Occurrences |
|---|---|
| Ventra canonical | 289 |
| Ventra card | 13 |
| Ventra cards | 5 |
| Ventra Card | 3 |
| Ventra Ticket | 2 |
| Hop Fastpass | 1 |
| Ventra app | 1 |
| Ventra contactless payment system | 1 |
| Ventra fare system | 1 |
| Ventra fare system in Chicago | 1 |
| Ventra mobile app accepted | 1 |
| Ventra system | 1 |
| Ventra ticket | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T20646 — 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: Ventra Context triple: [Chicago Transit Authority, fareSystem, Ventra]
-
A.
Chocolate City
Chocolate City is a popular nickname for Washington, D.C., highlighting its historically large and influential African American population and culture.
-
B.
Portland Streetcar
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
-
C.
Terminal 4
Terminal 4 is a major international passenger terminal at John F. Kennedy International Airport in New York City, serving numerous global airlines and long-haul routes.
-
D.
Tymshare
Tymshare was an influential American time-sharing and computer services company active in the 1960s–1980s that helped pioneer remote computing and software services for businesses.
-
E.
Porter
Porter is a transit station in Cambridge, Massachusetts that serves both MBTA commuter rail and Red Line subway services.
- 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: Ventra Target entity description: Ventra is the contactless fare payment system used across Chicago’s public transit network, including buses and trains.
-
A.
Chocolate City
Chocolate City is a popular nickname for Washington, D.C., highlighting its historically large and influential African American population and culture.
-
B.
Portland Streetcar
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
-
C.
Terminal 4
Terminal 4 is a major international passenger terminal at John F. Kennedy International Airport in New York City, serving numerous global airlines and long-haul routes.
-
D.
Tymshare
Tymshare was an influential American time-sharing and computer services company active in the 1960s–1980s that helped pioneer remote computing and software services for businesses.
-
E.
Porter
Porter is a transit station in Cambridge, Massachusetts that serves both MBTA commuter rail and Red Line subway services.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
contactless smart card system
ⓘ
fare payment system ⓘ stored-value card ⓘ |
| accepts |
Apple Pay
ⓘ
Google Pay ⓘ Samsung Pay ⓘ contactless credit cards ⓘ contactless debit cards ⓘ |
| allows |
fare capping on some products
ⓘ
fare transfers ⓘ |
| hasFeature |
account-based ticketing elements
ⓘ
autoload for passes or value ⓘ balance protection on registered cards ⓘ online account management ⓘ |
| hasWebsite | https://www.ventrachicago.com/ ⓘ |
| introduced | 2013 ⓘ |
| launchedBy |
Chicago Transit Authority
ⓘ
Metra ⓘ Pace Suburban Bus ⓘ |
| mobileAppAvailableOn |
Android
ⓘ
iOS ⓘ |
| operatesIn | Chicago metropolitan area ⓘ |
| operator | Cubic Transportation Systems ⓘ |
| primaryCity |
Chicago
ⓘ
linked to:
Chicago, Illinois, United States
|
| region | Illinois ⓘ |
| replaced |
Chicago Card
ⓘ
Chicago Card Plus ⓘ
linked to:
Chicago Card
|
| supportsMedium |
Ventra Card
ⓘ
linked to:
Ventra
Ventra Ticket ⓘ
linked to:
Ventra
Ventra mobile app ⓘ contactless bankcard ⓘ mobile wallet ⓘ |
| supportsPaymentMethod |
multi-ride tickets
ⓘ
pay-as-you-go fares ⓘ single-ride tickets ⓘ stored value ⓘ transit passes ⓘ unlimited-ride passes ⓘ |
| technologyType | contactless RFID ⓘ |
| usedFor | public transit fare payment ⓘ |
| usedOn |
CTA buses
ⓘ
linked to:
Chicago Transit Authority
CTA rail system ⓘ
linked to:
Chicago Transit Authority
Chicago Transit Authority ⓘ L trains ⓘ Metra ⓘ Pace Suburban Bus ⓘ Pace buses ⓘ
linked to:
Pace Suburban Bus
|
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: Ventra Description of subject: Ventra is the contactless fare payment system used across Chicago’s public transit network, including buses and trains.
Referenced by (320)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Ventra
linked to: Ventra
linked to: Ventra
linked to: Ventra
subject linked to:
CTA
linked to: Ventra
linked to: Ventra
linked to: Ventra
linked to: Ventra
subject linked to:
Red Line
subject linked to:
Blue Line
subject linked to:
Green Line
subject linked to:
Orange Line
linked to: Ventra
subject linked to:
35th–Bronzeville–IIT station (Green Line)
linked to: Ventra
linked to: Ventra
subject linked to:
Jackson station
subject linked to:
Jackson station
linked to: Ventra
subject linked to:
Washington station
subject linked to:
Washington station
linked to: Ventra