Capen Street station
E131132
Capen Street station is a small light rail stop on the MBTA's Mattapan trolley line in Milton, Massachusetts.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Capen Street station canonical | 6 |
How this entity was disambiguated
This entity first appeared as the object of triple T639118 — 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: Capen Street station Context triple: [Mattapan Trolley, station, Capen Street station]
-
A.
Fulton Street station
Fulton Street station is a major New York City Subway complex in Lower Manhattan that serves multiple lines and connects to the Fulton Center transit hub.
-
B.
Sullivan Square station
Sullivan Square station is a major multimodal transit hub in Boston, Massachusetts, serving MBTA Orange Line trains and numerous bus routes that connect the city and surrounding areas.
-
C.
Heath Street station
Heath Street station is the southern terminus of the MBTA Green Line E branch, serving Boston’s Mission Hill neighborhood with light rail service.
-
D.
Park Street station
Park Street station is a major downtown Boston transit hub on the MBTA system, serving multiple Green Line branches and providing connections to the Red Line.
-
E.
North Bridge station
North Bridge station was an early railway terminus in Edinburgh that later became part of what is now Edinburgh Waverley station.
- 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: Capen Street station Target entity description: Capen Street station is a small light rail stop on the MBTA's Mattapan trolley line in Milton, Massachusetts.
-
A.
Fulton Street station
Fulton Street station is a major New York City Subway complex in Lower Manhattan that serves multiple lines and connects to the Fulton Center transit hub.
-
B.
Sullivan Square station
Sullivan Square station is a major multimodal transit hub in Boston, Massachusetts, serving MBTA Orange Line trains and numerous bus routes that connect the city and surrounding areas.
-
C.
Heath Street station
Heath Street station is the southern terminus of the MBTA Green Line E branch, serving Boston’s Mission Hill neighborhood with light rail service.
-
D.
Park Street station
Park Street station is a major downtown Boston transit hub on the MBTA system, serving multiple Green Line branches and providing connections to the Red Line.
-
E.
North Bridge station
North Bridge station was an early railway terminus in Edinburgh that later became part of what is now Edinburgh Waverley station.
- F. None of above. chosen
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf |
MBTA station
ⓘ
light rail station ⓘ |
| accessible | no ⓘ |
| adjacentTo |
Capen Street
ⓘ
Neponset River ⓘ |
| bicycleFacilities | none ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| electrification | overhead line ⓘ |
| fareSystem | MBTA ⓘ |
| hasPlatformType | low-level platforms ⓘ |
| hasServiceOperator |
MBTA Light Rail
ⓘ
linked to:
MBTA Green Line
|
| hasServiceType | light rail ⓘ |
| hasShelter | yes ⓘ |
| hasTicketing | onboard fare collection ⓘ |
| hasWaitingArea | small shelters ⓘ |
| lineColor | Red Line branch ⓘ |
| locatedIn |
Massachusetts
ⓘ
Milton, Massachusetts NERFINISHED ⓘ Norfolk County, Massachusetts ⓘ United States ⓘ
linked to:
United States of America
|
| locatedOnLineSegmentBetween |
Mattapan station
ⓘ
Valley Road station ⓘ |
| numberOfTracks | 2 ⓘ |
| openingDate | 1929 ⓘ |
| operatedBy |
Massachusetts Bay Transportation Authority
ⓘ
linked to:
MBTA
|
| ownedBy |
Massachusetts Bay Transportation Authority
ⓘ
linked to:
MBTA
|
| parkingAvailable | no formal parking ⓘ |
| partOfLine |
Ashmont–Mattapan High-Speed Line
ⓘ
linked to:
Mattapan High-Speed Line
Mattapan trolley line ⓘ
linked to:
Mattapan Line
|
| partOfNetwork |
MBTA rapid transit network
ⓘ
linked to:
MBTA
|
| platformConfiguration | 2 side platforms ⓘ |
| publicTransitSystem | MBTA ⓘ |
| railGauge | standard gauge ⓘ |
| serves |
Mattapan trolley line
ⓘ
linked to:
Mattapan Line
|
| servesCity | Milton, Massachusetts NERFINISHED ⓘ |
| structureType | at-grade ⓘ |
| zone | MBTA rapid transit 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: Capen Street station Description of subject: Capen Street station is a small light rail stop on the MBTA's Mattapan trolley line in Milton, Massachusetts.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.