Silver Line
E186300
The Silver Line is a bus rapid transit service in Boston, Massachusetts, operated by the MBTA and serving key corridors including the Seaport District and Logan Airport.
All labels observed (8)
How this entity was disambiguated
This entity first appeared as the object of triple T1192803 — 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: Silver Line Context triple: [MBTA Silver Line, branding, Silver Line]
-
A.
Silver Line
The Silver Line is a rapid transit route in the Washington Metro system that serves northern Virginia suburbs, including Tysons and Reston, and connects them to Washington, D.C.
-
B.
Fairfax Line
The Fairfax Line was a colonial-era boundary line in what is now West Virginia and Virginia, originally surveyed to define the limits of the vast Northern Neck land grant.
-
C.
Blue Line (Washington Metro)
The Blue Line is one of the primary rapid transit lines of the Washington Metro system, running through downtown Washington, D.C., and connecting key locations in Virginia and Maryland.
-
D.
Washington Metro Green Line
The Washington Metro Green Line is a rapid transit line in the Washington, D.C. metropolitan area that runs north–south through the city and into surrounding suburbs, including Prince George’s County, Maryland.
-
E.
Washington Metro Red Line
The Washington Metro Red Line is a major rapid transit route in the Washington, D.C. metropolitan area, running through key downtown and suburban corridors as part of the region’s primary subway system.
- 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: Silver Line Target entity description: The Silver Line is a bus rapid transit service in Boston, Massachusetts, operated by the MBTA and serving key corridors including the Seaport District and Logan Airport.
-
A.
Silver Line
The Silver Line is a rapid transit route in the Washington Metro system that serves northern Virginia suburbs, including Tysons and Reston, and connects them to Washington, D.C.
-
B.
Fairfax Line
The Fairfax Line was a colonial-era boundary line in what is now West Virginia and Virginia, originally surveyed to define the limits of the vast Northern Neck land grant.
-
C.
Blue Line (Washington Metro)
The Blue Line is one of the primary rapid transit lines of the Washington Metro system, running through downtown Washington, D.C., and connecting key locations in Virginia and Maryland.
-
D.
Washington Metro Green Line
The Washington Metro Green Line is a rapid transit line in the Washington, D.C. metropolitan area that runs north–south through the city and into surrounding suburbs, including Prince George’s County, Maryland.
-
E.
Washington Metro Red Line
The Washington Metro Red Line is a major rapid transit route in the Washington, D.C. metropolitan area, running through key downtown and suburban corridors as part of the region’s primary subway system.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
bus rapid transit system
ⓘ
public transportation service ⓘ |
| branding | Silver Line self-linksurface differs ⓘ |
| colorOnMap | silver ⓘ |
| connectsAt |
Fenway neighborhood
ⓘ
surface form:
Boylston Street area
Chelsea commuter rail station ⓘ Downtown Crossing vicinity ⓘ Boston Logan International Airport ⓘ
surface form:
Logan Airport terminals
Silver Line Way ⓘ South Station ⓘ World Trade Center station ⓘ |
| connectsWith |
MBTA Blue Line
ⓘ
MBTA Green Line ⓘ MBTA Orange Line ⓘ MBTA Red Line ⓘ MBTA Commuter Rail network ⓘ
surface form:
MBTA commuter rail
|
| country |
United States of America
ⓘ
surface form:
United States
|
| fareMedium |
CharlieCard
ⓘ
CharlieTicket ⓘ MBTA mobile ticketing ⓘ |
| fareSystem | MBTA fare system ⓘ |
| hasFeature |
airport service
ⓘ
bus rapid transit elements ⓘ dedicated bus lanes ⓘ off-board fare collection at some stops ⓘ signal priority on some segments ⓘ waterfront service ⓘ |
| hasRoute |
SL1
ⓘ
SL2 ⓘ SL3 ⓘ SL4 ⓘ SL5 ⓘ |
| locatedIn | Massachusetts ⓘ |
| modeOfTransport | bus ⓘ |
| operator |
MBTA
ⓘ
surface form:
Massachusetts Bay Transportation Authority
|
| partOf | MBTA bus network ⓘ |
| providesServiceType |
airport shuttle-like service
ⓘ
limited-stop service ⓘ local service ⓘ |
| serves |
Boston, Massachusetts
ⓘ
Chelsea, Massachusetts NERFINISHED ⓘ Logan International Airport ⓘ Roxbury ⓘ Seaport District ⓘ South Boston ⓘ |
| uses |
busway
ⓘ
surface streets ⓘ tunnel ⓘ |
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: Silver Line Description of subject: The Silver Line is a bus rapid transit service in Boston, Massachusetts, operated by the MBTA and serving key corridors including the Seaport District and Logan Airport.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Silver Line (bus rapid transit)
this entity surface form:
Silver Line Waterfront services
this entity surface form:
Silver Line Washington Street branch
this entity surface form:
Silver Line Waterfront
this entity surface form:
Silver Line bus rapid transit
subject surface form:
Silver Line (MBTA)
this entity surface form:
Silver Line Waterfront
this entity surface form:
Silver Line Transitway
this entity surface form:
Silver Line service to Logan Airport