SmarTrip
E7649
SmarTrip is a rechargeable contactless smart card used to pay fares on the Washington, D.C. region’s public transit systems.
All labels observed (6)
| Label | Occurrences |
|---|---|
| SmarTrip canonical | 90 |
| SmarTrip card | 6 |
| SmarTrip contactless smart card | 2 |
| SmarTrip contactless card | 1 |
| SmarTrip electronic fare collection | 1 |
| WMATA SmarTrip | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T68557 — 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: SmarTrip Context triple: [Foggy Bottom–GWU station, ticketingSystem, SmarTrip]
-
A.
MetroCard
MetroCard is a magnetic stripe payment card formerly used as the primary method for paying fares on New York City’s public transit system, including subways and buses.
-
B.
SEPTA Key
SEPTA Key is a contactless smart fare card and payment system used across Philadelphia’s SEPTA public transit network.
-
C.
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.
-
D.
AeroTrain
AeroTrain is an automated underground people mover system that transports passengers between terminals at Washington Dulles International Airport.
-
E.
MBTA
The MBTA (Massachusetts Bay Transportation Authority) is the public transit agency that operates subway, bus, commuter rail, and ferry services in the Greater Boston area.
- 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: SmarTrip Target entity description: SmarTrip is a rechargeable contactless smart card used to pay fares on the Washington, D.C. region’s public transit systems.
-
A.
MetroCard
MetroCard is a magnetic stripe payment card formerly used as the primary method for paying fares on New York City’s public transit system, including subways and buses.
-
B.
SEPTA Key
SEPTA Key is a contactless smart fare card and payment system used across Philadelphia’s SEPTA public transit network.
-
C.
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.
-
D.
AeroTrain
AeroTrain is an automated underground people mover system that transports passengers between terminals at Washington Dulles International Airport.
-
E.
MBTA
The MBTA (Massachusetts Bay Transportation Authority) is the public transit agency that operates subway, bus, commuter rail, and ferry services in the Greater Boston area.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
contactless smart card
ⓘ
fare payment card ⓘ |
| allows | transfer discounts between participating services ⓘ |
| appliesTo |
MetroAccess
ⓘ
Metrobus ⓘ Metrorail ⓘ regional bus systems in the Washington, D.C. area ⓘ |
| benefit |
balance protection when registered
ⓘ
faster boarding ⓘ reduced need for cash fares ⓘ |
| canBe | registered to a user account ⓘ |
| cityServed | Washington, D.C. ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| currency | U.S. dollars ⓘ |
| fareSystem | Washington Metropolitan Area Transit Authority fare system ⓘ |
| feature |
automatic fare deduction
ⓘ
fare products storage ⓘ rechargeable stored value ⓘ |
| hasBrandOwner | Washington Metropolitan Area Transit Authority ⓘ |
| hasPolicy | reduced fares for eligible riders via SmarTrip products ⓘ |
| introducedBy | Washington Metropolitan Area Transit Authority ⓘ |
| languageOfBrand | English ⓘ |
| mediaType |
plastic card
ⓘ
virtual card on mobile devices ⓘ |
| operator | Washington Metropolitan Area Transit Authority ⓘ |
| paymentMethod |
passes and fare products
ⓘ
stored value ⓘ |
| regionServed |
District of Columbia
ⓘ
Washington metropolitan area ⓘ
surface form:
Maryland suburbs of Washington, D.C.
Northern Virginia ⓘ |
| sector | public transportation ⓘ |
| shortName |
SmarTrip
self-linksurface differs
ⓘ
surface form:
WMATA SmarTrip
|
| status | in use ⓘ |
| supports | autoload of value and passes ⓘ |
| technology | contactless smart card technology ⓘ |
| topUpMethod |
Metrorail stations
ⓘ
bus fareboxes (value loading) ⓘ online ⓘ select retail locations ⓘ |
| usedBy | commuters in the Washington, D.C. region ⓘ |
| usedFor | paying public transit fares ⓘ |
| usedIn |
Washington metropolitan area
ⓘ
surface form:
Washington, D.C. metropolitan area
|
| usedOn |
bus fareboxes
ⓘ
faregates ⓘ |
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: SmarTrip Description of subject: SmarTrip is a rechargeable contactless smart card used to pay fares on the Washington, D.C. region’s public transit systems.
Referenced by (101)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
SmarTrip card
this entity surface form:
SmarTrip contactless smart card
subject surface form:
Smithsonian station
subject surface form:
Huntington station