Ashmont station
E107799
Ashmont station is a major MBTA transit hub in Boston’s Dorchester neighborhood, serving as the southern terminus of the Red Line’s Ashmont branch and the connection point to the Mattapan trolley line.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Ashmont station canonical | 27 |
| Mattapan station | 2 |
| Savin Hill station | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T639091 — 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: Ashmont station Context triple: [Mattapan Trolley, terminus, Ashmont station]
-
A.
Brookline Village station
Brookline Village station is a light rail stop on the Massachusetts Bay Transportation Authority’s Green Line in the Brookline neighborhood just outside Boston.
-
B.
Copley station
Copley station is a major underground MBTA subway stop in Boston’s Back Bay neighborhood, serving multiple branches of the Green Line and providing access to nearby landmarks like Copley Square and the Boston Public Library.
-
C.
Brookline Hills station
Brookline Hills station is a light rail stop on the Massachusetts Bay Transportation Authority’s Green Line in Brookline, Massachusetts, serving local commuters and nearby schools and neighborhoods.
-
D.
Boylston station
Boylston station is a historic underground light rail stop in downtown Boston that serves the MBTA Green Line.
-
E.
Back Bay station
Back Bay station is a major transportation hub in Boston, Massachusetts, serving MBTA commuter rail, Amtrak, and subway lines in the Back Bay neighborhood.
- 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: Ashmont station Target entity description: Ashmont station is a major MBTA transit hub in Boston’s Dorchester neighborhood, serving as the southern terminus of the Red Line’s Ashmont branch and the connection point to the Mattapan trolley line.
-
A.
Brookline Village station
Brookline Village station is a light rail stop on the Massachusetts Bay Transportation Authority’s Green Line in the Brookline neighborhood just outside Boston.
-
B.
Copley station
Copley station is a major underground MBTA subway stop in Boston’s Back Bay neighborhood, serving multiple branches of the Green Line and providing access to nearby landmarks like Copley Square and the Boston Public Library.
-
C.
Brookline Hills station
Brookline Hills station is a light rail stop on the Massachusetts Bay Transportation Authority’s Green Line in Brookline, Massachusetts, serving local commuters and nearby schools and neighborhoods.
-
D.
Boylston station
Boylston station is a historic underground light rail stop in downtown Boston that serves the MBTA Green Line.
-
E.
Back Bay station
Back Bay station is a major transportation hub in Boston, Massachusetts, serving MBTA commuter rail, Amtrak, and subway lines in the Back Bay neighborhood.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
MBTA station
ⓘ
rapid transit station ⓘ transportation hub ⓘ |
| accessible | yes ⓘ |
| connectsTo |
Mattapan Line
ⓘ
surface form:
Mattapan trolley line
|
| fareSystem | CharlieCard ⓘ |
| fareZone | 1A ⓘ |
| hasAdjacentStationOnMattapanLine | Cedar Grove station ⓘ |
| hasAdjacentStationOnRedLine | Shawmut station ⓘ |
| hasArtInTransit | yes ⓘ |
| hasBicycleFacilities | yes ⓘ |
| hasBusConnections | MBTA local bus routes ⓘ |
| hasBusway | yes ⓘ |
| hasCanopy | yes ⓘ |
| hasElevators | yes ⓘ |
| hasEscalators | yes ⓘ |
| hasFareControl | yes ⓘ |
| hasHeadhouse | yes ⓘ |
| hasLightingImprovements | yes ⓘ |
| hasParking | yes ⓘ |
| hasSecurityCameras | yes ⓘ |
| hasService |
Mattapan Trolley
ⓘ
surface form:
MBTA Mattapan Trolley
MBTA Red Line ⓘ MBTA bus network ⓘ
surface form:
MBTA bus routes
|
| hasShelteredPlatforms | yes ⓘ |
| hasStationCode | R2 ⓘ |
| lineColor | Red ⓘ |
| locatedIn |
Boston, Massachusetts
ⓘ
Dorchester neighborhood of Boston ⓘ
surface form:
Dorchester, Boston, Massachusetts
United States of America ⓘ
surface form:
United States
|
| numberOfTracks | 2 ⓘ |
| opened | 1928 ⓘ |
| operatedBy |
MBTA
ⓘ
surface form:
Massachusetts Bay Transportation Authority
|
| ownedBy |
MBTA
ⓘ
surface form:
Massachusetts Bay Transportation Authority
|
| partOf | MBTA Red Line ⓘ |
| platformType | island platform ⓘ |
| rebuilt | 2004–2009 ⓘ |
| servesAs |
southern terminus of the Red Line Ashmont branch
ⓘ
transfer station between Red Line and Mattapan Line ⓘ |
| servesCommutersFrom |
Milton via Mattapan Line
ⓘ
southern Dorchester ⓘ |
| servesNeighborhood |
Ashmont
ⓘ
Codman Square area ⓘ |
| structureType |
at-grade busway
ⓘ
elevated station ⓘ |
| terminusOf |
MBTA Ashmont Branch
ⓘ
surface form:
Ashmont branch of the MBTA Red Line
|
| ticketing | proof-of-payment within fare gates ⓘ |
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: Ashmont station Description of subject: Ashmont station is a major MBTA transit hub in Boston’s Dorchester neighborhood, serving as the southern terminus of the Red Line’s Ashmont branch and the connection point to the Mattapan trolley line.
Referenced by (30)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Mattapan station
this entity surface form:
Mattapan station
this entity surface form:
Savin Hill station
subject surface form:
Red Line (MBTA)
subject surface form:
Red Line (MBTA)
subject surface form:
Red Line (MBTA)
subject surface form:
Mattapan Line (MBTA)
subject surface form:
Red Line (MBTA)