SL2
E138406
SL2 is a branch of Boston’s MBTA Silver Line bus rapid transit service that connects South Station with the Seaport and Design Center area.
All labels observed (1)
| Label | Occurrences |
|---|---|
| SL2 canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T1192788 — 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: SL2 Context triple: [MBTA Silver Line, line, SL2]
-
A.
SL1
SL1 is a Boston bus rapid transit route on the MBTA Silver Line that connects downtown with Logan International Airport.
-
B.
SLV
SLV is the three-letter ISO 3166-1 alpha-3 country code assigned to El Salvador.
-
C.
SL
The Mercedes-Benz SL is a long-running line of luxury grand touring roadsters renowned for combining high performance with elegant design and advanced technology.
-
D.
SL
SL is the public transport authority and brand responsible for operating and coordinating the mass transit system in the Stockholm region of Sweden.
-
E.
SL
SL is the vehicle registration code used for the Austrian municipality of Anif in the state of Salzburg.
- 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: SL2 Target entity description: SL2 is a branch of Boston’s MBTA Silver Line bus rapid transit service that connects South Station with the Seaport and Design Center area.
-
A.
SL1
SL1 is a Boston bus rapid transit route on the MBTA Silver Line that connects downtown with Logan International Airport.
-
B.
SLV
SLV is the three-letter ISO 3166-1 alpha-3 country code assigned to El Salvador.
-
C.
SL
The Mercedes-Benz SL is a long-running line of luxury grand touring roadsters renowned for combining high performance with elegant design and advanced technology.
-
D.
SL
SL is the public transport authority and brand responsible for operating and coordinating the mass transit system in the Stockholm region of Sweden.
-
E.
SL
SL is the vehicle registration code used for the Austrian municipality of Anif in the state of Salzburg.
- F. None of above. chosen
Statements (35)
| Predicate | Object |
|---|---|
| instanceOf |
MBTA Silver Line branch
ⓘ
bus rapid transit route ⓘ |
| connectsCorridor |
South Boston Transitway
ⓘ
surface form:
South Station–Seaport corridor
|
| connectsStation | South Station ⓘ |
| connectsWith |
MBTA Commuter Rail at South Station
ⓘ
MBTA Red Line at South Station ⓘ MBTA Silver Line at South Station ⓘ
surface form:
MBTA bus network at South Station
|
| country |
United States of America
ⓘ
surface form:
United States
|
| fareMedium |
CharlieCard
ⓘ
CharlieTicket ⓘ MBTA mTicket and contactless options ⓘ |
| fareSystem | MBTA fare system ⓘ |
| hasColor | silver ⓘ |
| hasRouteFamily | Silver Line Waterfront branches ⓘ |
| hasServicePattern | frequent daytime service ⓘ |
| isNumbered | SL2 ⓘ |
| locatedIn |
Boston, Massachusetts
ⓘ
surface form:
Boston
Massachusetts ⓘ United States of America ⓘ
surface form:
United States
|
| operatedBy |
MBTA
ⓘ
surface form:
Massachusetts Bay Transportation Authority
|
| ownedBy |
MBTA
ⓘ
surface form:
Massachusetts Bay Transportation Authority
|
| partOf | MBTA Silver Line ⓘ |
| partOfNetwork | MBTA bus network ⓘ |
| primaryFunction | connect South Station with the Seaport and Design Center area ⓘ |
| routeType | urban transit route ⓘ |
| servesArea |
Boston Design Center area
ⓘ
Seaport District ⓘ South Boston ⓘ
surface form:
South Boston Waterfront
|
| servesLandmark |
Boston Convention and Exhibition Center
ⓘ
Boston Design Center ⓘ Seaport office developments ⓘ |
| terminus |
Design Center
ⓘ
South Station ⓘ |
| usesMode | bus ⓘ |
| usesTechnology | bus rapid transit ⓘ |
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: SL2 Description of subject: SL2 is a branch of Boston’s MBTA Silver Line bus rapid transit service that connects South Station with the Seaport and Design Center area.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Silver Line (MBTA)