MBTA Commuter Rail Middleborough/Lakeville Line
E72192
The MBTA Commuter Rail Middleborough/Lakeville Line is a Massachusetts Bay Transportation Authority rail service connecting Boston’s South Station with southeastern Massachusetts communities including Middleborough and Lakeville.
All labels observed (2)
| Label | Occurrences |
|---|---|
| MBTA Commuter Rail Middleborough/Lakeville Line canonical | 9 |
| MBTA Middleborough/Lakeville Line | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T333952 — 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 Commuter Rail Middleborough/Lakeville Line Context triple: [JFK/UMass, servedBy, MBTA Commuter Rail Middleborough/Lakeville Line]
-
A.
MBTA Fitchburg Line
The MBTA Fitchburg Line is a commuter rail route in the Greater Boston area that runs between Boston and Fitchburg, serving numerous suburban communities along the way.
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B.
MBTA Commuter Rail Newburyport/Rockport Line
The MBTA Commuter Rail Newburyport/Rockport Line is a Massachusetts Bay Transportation Authority rail service running from Boston’s North Station through Boston’s North Shore communities to the coastal termini of Newburyport and Rockport.
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C.
MBTA Braintree Branch
The MBTA Braintree Branch is a southern extension of Boston’s Red Line rapid transit system that runs from JFK/UMass through several South Shore communities to Braintree.
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D.
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.
-
E.
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.
- 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 Commuter Rail Middleborough/Lakeville Line Target entity description: The MBTA Commuter Rail Middleborough/Lakeville Line is a Massachusetts Bay Transportation Authority rail service connecting Boston’s South Station with southeastern Massachusetts communities including Middleborough and Lakeville.
-
A.
MBTA Fitchburg Line
The MBTA Fitchburg Line is a commuter rail route in the Greater Boston area that runs between Boston and Fitchburg, serving numerous suburban communities along the way.
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B.
MBTA Commuter Rail Newburyport/Rockport Line
The MBTA Commuter Rail Newburyport/Rockport Line is a Massachusetts Bay Transportation Authority rail service running from Boston’s North Station through Boston’s North Shore communities to the coastal termini of Newburyport and Rockport.
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C.
MBTA Braintree Branch
The MBTA Braintree Branch is a southern extension of Boston’s Red Line rapid transit system that runs from JFK/UMass through several South Shore communities to Braintree.
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D.
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.
-
E.
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.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
commuter rail line
ⓘ
passenger rail service ⓘ |
| accessibility | serves accessible stations with high or mini-high platforms ⓘ |
| agency | MBTA ⓘ |
| branding |
MBTA Commuter Rail network
ⓘ
surface form:
MBTA Commuter Rail
|
| connectsWith |
Amtrak services at South Station
ⓘ
MBTA Red Line ⓘ
surface form:
MBTA Red Line at South Station
MBTA Silver Line at South Station ⓘ MBTA bus network at South Station ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrification | non-electrified ⓘ |
| fareMedia |
mobile tickets via MBTA mTicket app
ⓘ
paper tickets ⓘ |
| fareSystem | MBTA Commuter Rail zone-based fares ⓘ |
| locatedIn |
Massachusetts
ⓘ
United States of America ⓘ
surface form:
United States
|
| operator |
MBTA
ⓘ
surface form:
Massachusetts Bay Transportation Authority
|
| owner |
MBTA
ⓘ
surface form:
Massachusetts Bay Transportation Authority
|
| partOfSystem |
MBTA Commuter Rail network
ⓘ
surface form:
MBTA Commuter Rail
|
| peakServicePattern |
inbound to Boston in morning peak
ⓘ
outbound from Boston in evening peak ⓘ |
| primaryHub | South Station ⓘ |
| purpose | commuter transportation between southeastern Massachusetts and Boston ⓘ |
| railNetwork |
MBTA Commuter Rail network
ⓘ
surface form:
Greater Boston commuter rail network
|
| safetySystem |
Positive Train Control
ⓘ
surface form:
Positive Train Control (PTC) on MBTA commuter rail network
|
| servesCity |
Boston, Massachusetts
ⓘ
surface form:
Boston
|
| servesCommunity |
Lakeville, Massachusetts
ⓘ
surface form:
Lakeville
Middleborough, Massachusetts ⓘ
surface form:
Middleborough
|
| servesRegion |
Southeastern Massachusetts
ⓘ
surface form:
southeastern Massachusetts
|
| serviceDays |
weekdays
ⓘ
weekends (reduced schedule) ⓘ |
| serviceFrequency | higher frequency during weekday peak periods ⓘ |
| serviceOperator | contracted private operator under MBTA oversight ⓘ |
| serviceType | commuter rail ⓘ |
| state | Massachusetts ⓘ |
| terminus |
Lakeville, Massachusetts
ⓘ
surface form:
Middleborough/Lakeville
South Station ⓘ |
| ticketingSystem | MBTA CharlieCard/CharlieTicket compatible for some connections ⓘ |
| ticketInspection | conductors perform onboard fare collection ⓘ |
| trackGauge | standard gauge ⓘ |
| usesRollingStockType | diesel locomotive-hauled coaches ⓘ |
| usesStation |
Middleborough/Lakeville station
ⓘ
South Station ⓘ |
| zoneStructure | outer zones of MBTA Commuter Rail fare system ⓘ |
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 Commuter Rail Middleborough/Lakeville Line Description of subject: The MBTA Commuter Rail Middleborough/Lakeville Line is a Massachusetts Bay Transportation Authority rail service connecting Boston’s South Station with southeastern Massachusetts communities including Middleborough and Lakeville.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
MBTA Middleborough/Lakeville Line
this entity surface form:
MBTA Middleborough/Lakeville Line
subject surface form:
Lakeville, Massachusetts
subject surface form:
Halifax, Massachusetts
subject surface form:
BRNT