Silver Line SL4
E570981
Silver Line SL4 is a bus rapid transit route in Boston that operates as part of the MBTA Silver Line, connecting downtown with neighborhoods along Washington Street.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Silver Line SL4 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6149211 — 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 SL4 Context triple: [Washington Street surface section, hasService, Silver Line SL4]
-
A.
S40 line
The S40 line is a regional commuter rail service within the Zürich S-Bahn network that connects the city with surrounding suburban and outlying areas.
-
B.
S4 line
The S4 line is a suburban railway service of the Zürich S-Bahn network that connects the city of Zürich with surrounding regional destinations.
-
C.
S4 line
The S4 line is a route of the Rhine-Main S-Bahn network serving the Frankfurt metropolitan area, including central hubs such as Frankfurt Hauptwache.
-
D.
Línea 6
Línea 6 is a modern, fully automated metro line in Santiago, Chile, known for its advanced technology, safety features, and connection between key residential and commercial areas of the city.
-
E.
M-Line Trolley
M-Line Trolley is a heritage streetcar system operating in Dallas, Texas, providing free public transportation along the McKinney Avenue and Uptown areas.
- 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 SL4 Target entity description: Silver Line SL4 is a bus rapid transit route in Boston that operates as part of the MBTA Silver Line, connecting downtown with neighborhoods along Washington Street.
-
A.
S40 line
The S40 line is a regional commuter rail service within the Zürich S-Bahn network that connects the city with surrounding suburban and outlying areas.
-
B.
S4 line
The S4 line is a suburban railway service of the Zürich S-Bahn network that connects the city of Zürich with surrounding regional destinations.
-
C.
S4 line
The S4 line is a route of the Rhine-Main S-Bahn network serving the Frankfurt metropolitan area, including central hubs such as Frankfurt Hauptwache.
-
D.
Línea 6
Línea 6 is a modern, fully automated metro line in Santiago, Chile, known for its advanced technology, safety features, and connection between key residential and commercial areas of the city.
-
E.
M-Line Trolley
M-Line Trolley is a heritage streetcar system operating in Dallas, Texas, providing free public transportation along the McKinney Avenue and Uptown areas.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
MBTA bus route
ⓘ
bus rapid transit route ⓘ |
| connectsTo |
Downtown Boston
NERFINISHED
ⓘ
Roxbury NERFINISHED ⓘ South End NERFINISHED ⓘ |
| corridor | Washington Street NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| fareMediumAccepted |
CharlieCard
NERFINISHED
ⓘ
CharlieTicket NERFINISHED ⓘ MBTA monthly pass ⓘ |
| fareSystem | MBTA fare system ⓘ |
| hasParallelService | Silver Line SL5 NERFINISHED ⓘ |
| hasRouteNumber | SL4 NERFINISHED ⓘ |
| isBusRapidTransitBranding | true ⓘ |
| isSurfaceRoute | true ⓘ |
| operatedBy |
MBTA
ⓘ
surface form:
Massachusetts Bay Transportation Authority
|
| operatesIn | Suffolk County, Massachusetts NERFINISHED ⓘ |
| operatorAbbreviation | MBTA NERFINISHED ⓘ |
| partOf | MBTA Silver Line NERFINISHED ⓘ |
| publicTransitSystem | MBTA bus network NERFINISHED ⓘ |
| region | Greater Boston NERFINISHED ⓘ |
| servesCity | Boston, Massachusetts NERFINISHED ⓘ |
| serviceType | bus rapid transit ⓘ |
| transitMode | bus ⓘ |
| usesBrand | Silver Line NERFINISHED ⓘ |
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 SL4 Description of subject: Silver Line SL4 is a bus rapid transit route in Boston that operates as part of the MBTA Silver Line, connecting downtown with neighborhoods along Washington Street.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.