MBTA Franklin Line
E870866
The MBTA Franklin Line is a commuter rail service in the Greater Boston area that connects Boston’s South Station with Franklin and other communities in southeastern Massachusetts.
All labels observed (1)
| Label | Occurrences |
|---|---|
| MBTA Franklin Line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10516062 — 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 Franklin Line Context triple: [Franklin, Massachusetts, servedByCommuterRail, MBTA Franklin Line]
-
A.
MBTA Fairmount Line
The MBTA Fairmount Line is a commuter rail service in Boston, Massachusetts, connecting several neighborhoods in the city’s southern corridor to downtown.
-
B.
MBTA Lowell Line
The MBTA Lowell Line is a commuter rail service operated by the Massachusetts Bay Transportation Authority that runs between Boston’s North Station and Lowell, serving several communities in northern Massachusetts.
-
C.
MBTA Mattapan Line
The MBTA Mattapan Line is a light rail trolley service in the Boston area that operates historic streetcars between Ashmont Station and Mattapan, serving neighborhoods in Boston and Milton.
-
D.
MBTA Blue Line
The MBTA Blue Line is a rapid transit line in the Boston metropolitan area that runs primarily along the city’s northeastern corridor, connecting downtown Boston with East Boston, Logan Airport, and Revere.
-
E.
MBTA Silver Line
The MBTA Silver Line is a bus rapid transit service in Boston that operates in dedicated lanes and tunnels, linking key neighborhoods, Logan Airport, and South Station.
- 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 Franklin Line Target entity description: The MBTA Franklin Line is a commuter rail service in the Greater Boston area that connects Boston’s South Station with Franklin and other communities in southeastern Massachusetts.
-
A.
MBTA Fairmount Line
The MBTA Fairmount Line is a commuter rail service in Boston, Massachusetts, connecting several neighborhoods in the city’s southern corridor to downtown.
-
B.
MBTA Lowell Line
The MBTA Lowell Line is a commuter rail service operated by the Massachusetts Bay Transportation Authority that runs between Boston’s North Station and Lowell, serving several communities in northern Massachusetts.
-
C.
MBTA Mattapan Line
The MBTA Mattapan Line is a light rail trolley service in the Boston area that operates historic streetcars between Ashmont Station and Mattapan, serving neighborhoods in Boston and Milton.
-
D.
MBTA Blue Line
The MBTA Blue Line is a rapid transit line in the Boston metropolitan area that runs primarily along the city’s northeastern corridor, connecting downtown Boston with East Boston, Logan Airport, and Revere.
-
E.
MBTA Silver Line
The MBTA Silver Line is a bus rapid transit service in Boston that operates in dedicated lanes and tunnels, linking key neighborhoods, Logan Airport, and South Station.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
commuter rail line
ⓘ
passenger rail service ⓘ |
| connects |
Boston’s South Station
NERFINISHED
ⓘ
Franklin, Massachusetts NERFINISHED ⓘ communities in southeastern Massachusetts ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrification | none ⓘ |
| fareMediaAccepted |
MBTA passes
ⓘ
MBTA tickets ⓘ |
| fareSystem | MBTA Commuter Rail zone system ⓘ |
| hasRollingStockType |
bi-level commuter rail coaches
ⓘ
single-level commuter rail coaches ⓘ |
| hasServiceType | commuter rail ⓘ |
| operator |
MBTA Commuter Rail
NERFINISHED
ⓘ
MBTA ⓘ
surface form:
Massachusetts Bay Transportation Authority
|
| ownerOfInfrastructure | Massachusetts Bay Transportation Authority NERFINISHED ⓘ |
| partOfNetwork | MBTA Commuter Rail NERFINISHED ⓘ |
| poweredBy | diesel locomotives ⓘ |
| primaryTerminalInBoston | South Station NERFINISHED ⓘ |
| primaryUse | daily commuting to Boston ⓘ |
| servesCity |
Boston, Massachusetts
NERFINISHED
ⓘ
Franklin, Massachusetts NERFINISHED ⓘ Norfolk, Massachusetts NERFINISHED ⓘ Norwood, Massachusetts NERFINISHED ⓘ Walpole, Massachusetts NERFINISHED ⓘ |
| servesRegion |
Greater Boston
NERFINISHED
ⓘ
southeastern Massachusetts ⓘ |
| servicePattern | peak and off-peak commuter service ⓘ |
| state | Massachusetts ⓘ |
| terminus |
Forge Park/495
NERFINISHED
ⓘ
South Station NERFINISHED ⓘ |
| trackGauge | standard gauge ⓘ |
| usesStation |
Back Bay
NERFINISHED
ⓘ
Endicott NERFINISHED ⓘ Forge Park/495 NERFINISHED ⓘ Franklin/Dean College NERFINISHED ⓘ Hyde Park NERFINISHED ⓘ Islington NERFINISHED ⓘ Norfolk NERFINISHED ⓘ Norwood Central NERFINISHED ⓘ Norwood Depot NERFINISHED ⓘ Plimptonville NERFINISHED ⓘ Readville NERFINISHED ⓘ Ruggles NERFINISHED ⓘ South Station NERFINISHED ⓘ Walpole NERFINISHED ⓘ Windsor Gardens NERFINISHED ⓘ |
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 Franklin Line Description of subject: The MBTA Franklin Line is a commuter rail service in the Greater Boston area that connects Boston’s South Station with Franklin and other communities in southeastern Massachusetts.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Franklin, Massachusetts