St. Marys Street station
E575954
St. Marys Street station is a light rail stop on Boston’s MBTA Green Line that serves the C Branch along Beacon Street near the Boston University area.
All labels observed (1)
| Label | Occurrences |
|---|---|
| St. Marys Street station canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T6050651 — 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: St. Marys Street station Context triple: [C Branch, hasStop, St. Marys Street station]
-
A.
St. Patrick station
St. Patrick station is a Toronto subway station on Line 1 serving the downtown area near major cultural and institutional landmarks.
-
B.
King Street–Old Town station
King Street–Old Town station is a Washington Metro rail station in Alexandria, Virginia, serving the historic Old Town area and nearby Amtrak and VRE services.
-
C.
Bayview station
Bayview station is a Toronto subway station on Line 4 Sheppard, serving the Bayview and Sheppard Avenue area with underground platforms and modern transit connections.
-
D.
Ossington station
Ossington station is a subway stop on Toronto's TTC network located in the city's west end along Bloor Street.
-
E.
Crescent Street station
Crescent Street station is a New York City Subway station in Brooklyn served by the J train.
- 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: St. Marys Street station Target entity description: St. Marys Street station is a light rail stop on Boston’s MBTA Green Line that serves the C Branch along Beacon Street near the Boston University area.
-
A.
St. Patrick station
St. Patrick station is a Toronto subway station on Line 1 serving the downtown area near major cultural and institutional landmarks.
-
B.
King Street–Old Town station
King Street–Old Town station is a Washington Metro rail station in Alexandria, Virginia, serving the historic Old Town area and nearby Amtrak and VRE services.
-
C.
Bayview station
Bayview station is a Toronto subway station on Line 4 Sheppard, serving the Bayview and Sheppard Avenue area with underground platforms and modern transit connections.
-
D.
Ossington station
Ossington station is a subway stop on Toronto's TTC network located in the city's west end along Bloor Street.
-
E.
Crescent Street station
Crescent Street station is a New York City Subway station in Brooklyn served by the J train.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
MBTA Green Line station
ⓘ
light rail station ⓘ |
| city |
Boston
ⓘ
linked to:
Boston, Massachusetts
|
| country |
United States
ⓘ
linked to:
United States of America
|
| fareSystem | MBTA fare system ⓘ |
| fareZoneSystem | flat fare (MBTA subway/light rail) ⓘ |
| hasElectrification | overhead catenary (Green Line light rail) ⓘ |
| hasService | C Branch trains ⓘ |
| hasTracks | 2 ⓘ |
| isPartOf |
MBTA Green Line C Branch
ⓘ
linked to:
MBTA Green Line C branch
|
| isPartOfNetwork | MBTA rapid transit and light rail network ⓘ |
| lineDesignation | Green Line C Branch ⓘ |
| locatedIn |
Boston, Massachusetts
ⓘ
United States ⓘ
linked to:
United States of America
|
| locatedOn | Beacon Street ⓘ |
| neighborhood | near Boston University campus ⓘ |
| operator |
Massachusetts Bay Transportation Authority
ⓘ
linked to:
MBTA
|
| platformType | side platforms ⓘ |
| publicTransitSystem | MBTA ⓘ |
| servedByLine |
MBTA Green Line C Branch
ⓘ
linked to:
MBTA Green Line C branch
|
| serves | Boston University area ⓘ |
| servesCorridor | Beacon Street median ⓘ |
| servesMode | light rail ⓘ |
| state | Massachusetts ⓘ |
| structureType | at-grade ⓘ |
| transitSystem | MBTA Green Line ⓘ |
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: St. Marys Street station Description of subject: St. Marys Street station is a light rail stop on Boston’s MBTA Green Line that serves the C Branch along Beacon Street near the Boston University area.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.