Washington Square station (MBTA)
E658567
Washington Square station (MBTA) is a light rail stop on the Green Line C branch serving the Washington Square area of Brookline, Massachusetts.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Washington Square station (MBTA) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7331419 — 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: Washington Square station (MBTA) Context triple: [Washington Square (Brookline), hasTransitStop, Washington Square station (MBTA)]
-
A.
Porter Square MBTA Red Line station
Porter Square MBTA Red Line station is an underground rapid transit and commuter rail hub in Cambridge, Massachusetts, serving the MBTA Red Line and Fitchburg Line with access to the surrounding Porter Square commercial district.
-
B.
Park Street MBTA station
Park Street MBTA station is a major downtown Boston subway hub on the MBTA’s Green and Red Lines, located at the eastern edge of Boston Common.
-
C.
Harvard Square MBTA station
Harvard Square MBTA station is a major Red Line subway and bus hub located in the historic Harvard Square area of Cambridge, Massachusetts, serving Harvard University and the surrounding neighborhood.
-
D.
Massachusetts Avenue station
Massachusetts Avenue station is an underground rapid transit stop in Boston, Massachusetts, located in the South End and served by the MBTA's Orange Line.
-
E.
Beacon Hill light rail station
Beacon Hill light rail station is an underground Link light rail stop in Seattle, Washington, serving the Beacon Hill neighborhood with rapid transit connections to downtown and other parts of the city.
- 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: Washington Square station (MBTA) Target entity description: Washington Square station (MBTA) is a light rail stop on the Green Line C branch serving the Washington Square area of Brookline, Massachusetts.
-
A.
Porter Square MBTA Red Line station
Porter Square MBTA Red Line station is an underground rapid transit and commuter rail hub in Cambridge, Massachusetts, serving the MBTA Red Line and Fitchburg Line with access to the surrounding Porter Square commercial district.
-
B.
Park Street MBTA station
Park Street MBTA station is a major downtown Boston subway hub on the MBTA’s Green and Red Lines, located at the eastern edge of Boston Common.
-
C.
Harvard Square MBTA station
Harvard Square MBTA station is a major Red Line subway and bus hub located in the historic Harvard Square area of Cambridge, Massachusetts, serving Harvard University and the surrounding neighborhood.
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D.
Massachusetts Avenue station
Massachusetts Avenue station is an underground rapid transit stop in Boston, Massachusetts, located in the South End and served by the MBTA's Orange Line.
-
E.
Beacon Hill light rail station
Beacon Hill light rail station is an underground Link light rail stop in Seattle, Washington, serving the Beacon Hill neighborhood with rapid transit connections to downtown and other parts of the city.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
MBTA Green Line station
ⓘ
light rail station ⓘ surface station ⓘ |
| adjacentTo |
Fairbanks Street station
ⓘ
Tappan Street station ⓘ |
| category | MBTA Green Line stations in Brookline, Massachusetts ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| fareSystem | MBTA fare system ⓘ |
| hasPlatforms | 2 ⓘ |
| hasStyle | MBTA Green Line style ⓘ |
| hasTracks | 2 ⓘ |
| isPartOf |
Green Line C branch
ⓘ
linked to:
Green Line C Branch
MBTA rapid transit network ⓘ
linked to:
MBTA
|
| lineDesignation | C branch ⓘ |
| locatedIn |
Brookline, Massachusetts
ⓘ
linked to:
Brookline
Massachusetts ⓘ Norfolk County, Massachusetts ⓘ United States ⓘ
linked to:
United States of America
Washington Square, Brookline, Massachusetts ⓘ
linked to:
Washington Square, Brookline
|
| locatedOn | Beacon Street ⓘ |
| operator |
Massachusetts Bay Transportation Authority
ⓘ
linked to:
MBTA
|
| ownedBy |
Massachusetts Bay Transportation Authority
ⓘ
linked to:
MBTA
|
| platformType | side platforms ⓘ |
| publicTransitSystem | MBTA Green Line ⓘ |
| railwayLine |
Green Line C branch
ⓘ
linked to:
Green Line C Branch
|
| serves |
Washington Square neighborhood
ⓘ
linked to:
Washington Square Park vicinity
|
| servesBorough | Brookline ⓘ |
| servesCity | Brookline ⓘ |
| structureType | at-grade ⓘ |
| transportMode | light rail ⓘ |
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: Washington Square station (MBTA) Description of subject: Washington Square station (MBTA) is a light rail stop on the Green Line C branch serving the Washington Square area of Brookline, Massachusetts.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Washington Square