MBTA Green Line at Park Street station
E840551
The MBTA Green Line at Park Street station is a central Boston light rail stop located on the Tremont Street Subway, serving multiple Green Line branches and providing key transfers to the Red Line.
All labels observed (1)
| Label | Occurrences |
|---|---|
| MBTA Green Line at Park Street station canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10082142 — 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 Green Line at Park Street station Context triple: [Red Line Alewife branch, connectsWith, MBTA Green Line at Park Street station]
-
A.
MBTA Green Line at Government Center
The MBTA Green Line at Government Center is a major light rail subway station in downtown Boston that serves as a key transfer point and access hub for nearby civic and historic landmarks.
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B.
MBTA Blue Line at Government Center
MBTA Blue Line at Government Center is an underground rapid transit station in downtown Boston that serves the Blue Line and provides a key transfer point to the Green Line.
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C.
MBTA Orange Line at North Station
MBTA Orange Line at North Station is a major Boston rapid transit stop located at the North Station transportation hub, providing subway connections to commuter rail lines and nearby sports and entertainment venues.
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D.
MBTA Silver Line at South Station
The MBTA Silver Line at South Station is a key Boston bus rapid transit hub providing underground and surface connections between South Station and destinations including the Seaport District and Logan Airport.
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E.
MBTA Red Line at Harvard station
The MBTA Red Line at Harvard station is a key rapid transit stop in Cambridge, Massachusetts, serving Harvard Square and Harvard University as part of Boston’s primary subway network.
- 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 Green Line at Park Street station Target entity description: The MBTA Green Line at Park Street station is a central Boston light rail stop located on the Tremont Street Subway, serving multiple Green Line branches and providing key transfers to the Red Line.
-
A.
MBTA Green Line at Government Center
The MBTA Green Line at Government Center is a major light rail subway station in downtown Boston that serves as a key transfer point and access hub for nearby civic and historic landmarks.
-
B.
MBTA Blue Line at Government Center
MBTA Blue Line at Government Center is an underground rapid transit station in downtown Boston that serves the Blue Line and provides a key transfer point to the Green Line.
-
C.
MBTA Orange Line at North Station
MBTA Orange Line at North Station is a major Boston rapid transit stop located at the North Station transportation hub, providing subway connections to commuter rail lines and nearby sports and entertainment venues.
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D.
MBTA Silver Line at South Station
The MBTA Silver Line at South Station is a key Boston bus rapid transit hub providing underground and surface connections between South Station and destinations including the Seaport District and Logan Airport.
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E.
MBTA Red Line at Harvard station
The MBTA Red Line at Harvard station is a key rapid transit stop in Cambridge, Massachusetts, serving Harvard Square and Harvard University as part of Boston’s primary subway network.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
MBTA Green Line station
ⓘ
light rail station ⓘ |
| connectsCorridor |
Green Line central subway
NERFINISHED
ⓘ
Red Line Cambridge–Dorchester subway NERFINISHED ⓘ |
| connectsTo | MBTA Red Line at Park Street station NERFINISHED ⓘ |
| electrification | overhead catenary on Green Line ⓘ |
| fareControl | proof-of-payment on Green Line trains ⓘ |
| fareSystem |
MBTA CharlieCard
NERFINISHED
ⓘ
MBTA CharlieTicket NERFINISHED ⓘ |
| hasAccessibility | partially accessible ⓘ |
| hasConnectionType |
cross-platform transfer between some Green Line services
ⓘ
in-station transfer to Red Line platforms ⓘ |
| hasEntrance |
Park Street entrances
ⓘ
Tremont Street entrances NERFINISHED ⓘ |
| hasLighting | fluorescent and LED station lighting ⓘ |
| hasPlatformType |
island platform
ⓘ
side platform ⓘ |
| hasServicePattern | trunk Green Line service through central subway ⓘ |
| hasSignage | MBTA standard wayfinding signs ⓘ |
| hasTrackType | standard gauge ⓘ |
| isOneOf | oldest subway stations in the United States ⓘ |
| locatedIn |
Boston, Massachusetts
ⓘ
surface form:
Boston
Massachusetts ⓘ Park Street station NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| locatedUnder |
Park Street
NERFINISHED
ⓘ
Tremont Street NERFINISHED ⓘ |
| near |
Boston Common
NERFINISHED
ⓘ
Downtown Crossing NERFINISHED ⓘ Massachusetts State House NERFINISHED ⓘ |
| openedAsPartOf | Tremont Street Subway NERFINISHED ⓘ |
| openingYear | 1897 ⓘ |
| operatedBy |
MBTA
ⓘ
surface form:
Massachusetts Bay Transportation Authority
|
| ownedBy |
MBTA
ⓘ
surface form:
Massachusetts Bay Transportation Authority
|
| partOf | Tremont Street Subway NERFINISHED ⓘ |
| role |
central hub for MBTA Green Line branches
ⓘ
major transfer point in MBTA network ⓘ |
| safetyFeature | platform edge warning strips ⓘ |
| servesArea |
Boston Common area
NERFINISHED
ⓘ
Downtown Boston NERFINISHED ⓘ |
| servesBranch |
Green Line B branch
NERFINISHED
ⓘ
Green Line C branch NERFINISHED ⓘ Green Line D branch NERFINISHED ⓘ Green Line E branch NERFINISHED ⓘ |
| servesLine | MBTA Green Line NERFINISHED ⓘ |
| structureType | underground ⓘ |
| ticketing | faregates at concourse level ⓘ |
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 Green Line at Park Street station Description of subject: The MBTA Green Line at Park Street station is a central Boston light rail stop located on the Tremont Street Subway, serving multiple Green Line branches and providing key transfers to the Red Line.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.