MBTA Zone 1
E410816
MBTA Zone 1 is a commuter rail fare zone in the Massachusetts Bay Transportation Authority system that covers near-suburban stations just outside central Boston.
All labels observed (1)
| Label | Occurrences |
|---|---|
| MBTA Zone 1 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4056350 — 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: MBTA Zone 1 Context triple: [Wyoming Hill station, hasZone, MBTA Zone 1]
-
A.
MBTA Commuter Rail Zone 1A
MBTA Commuter Rail Zone 1A is the innermost fare zone of the Boston-area commuter rail system, covering central city stations with the lowest commuter rail fares.
-
B.
MBTA Ashmont Branch
The MBTA Ashmont Branch is a rapid transit line of Boston’s Red Line that runs from JFK/UMass station through Dorchester to Ashmont, serving several southern neighborhoods of the city.
-
C.
MBTA Orange Line Back Bay branch
The MBTA Orange Line Back Bay branch is the segment of Boston’s Orange Line rapid transit route that serves the Back Bay area and nearby stations such as Ruggles, providing key north–south subway service through the city.
-
D.
MBTA Red Line
The MBTA Red Line is a major rapid transit line in the Boston metropolitan area that runs through key communities including Cambridge, connecting them to downtown Boston and other parts of the region.
-
E.
MBTA Green Line B branch
The MBTA Green Line B branch is a light rail service in Boston that runs along Commonwealth Avenue, primarily serving Boston University and the Allston–Brighton neighborhoods.
- 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: MBTA Zone 1 Target entity description: MBTA Zone 1 is a commuter rail fare zone in the Massachusetts Bay Transportation Authority system that covers near-suburban stations just outside central Boston.
-
A.
MBTA Commuter Rail Zone 1A
MBTA Commuter Rail Zone 1A is the innermost fare zone of the Boston-area commuter rail system, covering central city stations with the lowest commuter rail fares.
-
B.
MBTA Ashmont Branch
The MBTA Ashmont Branch is a rapid transit line of Boston’s Red Line that runs from JFK/UMass station through Dorchester to Ashmont, serving several southern neighborhoods of the city.
-
C.
MBTA Orange Line Back Bay branch
The MBTA Orange Line Back Bay branch is the segment of Boston’s Orange Line rapid transit route that serves the Back Bay area and nearby stations such as Ruggles, providing key north–south subway service through the city.
-
D.
MBTA Red Line
The MBTA Red Line is a major rapid transit line in the Boston metropolitan area that runs through key communities including Cambridge, connecting them to downtown Boston and other parts of the region.
-
E.
MBTA Green Line B branch
The MBTA Green Line B branch is a light rail service in Boston that runs along Commonwealth Avenue, primarily serving Boston University and the Allston–Brighton neighborhoods.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
MBTA fare zone
ⓘ
commuter rail fare zone ⓘ |
| appliesTo | MBTA Commuter Rail stations ⓘ |
| centralReferenceStations |
Boston Back Bay
ⓘ
linked to:
Back Bay
Boston North Station ⓘ
linked to:
North Station
Boston South Station ⓘ
linked to:
South Station
|
| country |
United States
ⓘ
linked to:
United States of America
|
| coversAreaType | near-suburban stations ⓘ |
| discountEligibility | reduced fares for eligible riders (e.g., seniors, youth, persons with disabilities) ⓘ |
| distanceFromCore | immediately outside core urban zone 1A ⓘ |
| fareCategory | standard adult commuter rail fare ⓘ |
| fareIntegration | partially integrated with MBTA subway and bus passes ⓘ |
| fareMedium |
CharlieCard (for some products)
ⓘ
linked to:
CharlieCard
CharlieTicket ⓘ mTicket (MBTA mobile ticketing) ⓘ
linked to:
MBTA mTicket mobile app accepted
paper ticket ⓘ |
| farePolicyRelation |
has higher fares than Zone 0 (if defined)
ⓘ
has higher fares than Zone 1A ⓘ has lower fares than outer MBTA commuter rail zones ⓘ is included in some monthly passes valid for Zones 1–X ⓘ |
| fareRevision | subject to periodic MBTA fare changes ⓘ |
| fareStructureRole |
defines price tiers for passes from Boston terminals
ⓘ
defines price tiers for tickets from Boston terminals ⓘ |
| fareSystem |
MBTA Commuter Rail
ⓘ
linked to:
MBTA Commuter Rail network
|
| fareType | distance-based zone fare ⓘ |
| fareZoneSystem | MBTA Commuter Rail zone 1–10 structure ⓘ |
| governingBody |
MBTA Board of Directors
ⓘ
linked to:
MBTA Fiscal and Management Control Board
MBTA Fiscal and Management Control Board (historically) ⓘ
linked to:
MBTA Fiscal and Management Control Board
|
| locatedIn |
Greater Boston
ⓘ
Massachusetts ⓘ |
| operator |
Massachusetts Bay Transportation Authority
ⓘ
linked to:
MBTA
|
| partOf |
MBTA Commuter Rail fare system
ⓘ
Massachusetts Bay Transportation Authority ⓘ
linked to:
MBTA
|
| relativeLocation | just outside central Boston ⓘ |
| serviceClass | commuter rail ⓘ |
| serviceMode | rail ⓘ |
| servicePeriod |
weekday service
ⓘ
weekend service ⓘ |
| ticketType |
10-ride ticket
ⓘ
monthly pass ⓘ one-way ticket ⓘ round-trip ticket ⓘ |
| typicalTripType | daily commuting to downtown Boston ⓘ |
| usedBy | MBTA Commuter Rail riders ⓘ |
| usedFor |
commuter rail pass pricing
ⓘ
commuter rail ticket pricing ⓘ |
| zoneNumber | 1 ⓘ |
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: MBTA Zone 1 Description of subject: MBTA Zone 1 is a commuter rail fare zone in the Massachusetts Bay Transportation Authority system that covers near-suburban stations just outside central Boston.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.