SL1
E137153
SL1 is a Boston bus rapid transit route on the MBTA Silver Line that connects downtown with Logan International Airport.
All labels observed (1)
| Label | Occurrences |
|---|---|
| SL1 canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T1192787 — 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: SL1 Context triple: [MBTA Silver Line, line, SL1]
-
A.
SLV
SLV is the three-letter ISO 3166-1 alpha-3 country code assigned to El Salvador.
-
B.
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.
-
C.
SL
SL is the public transport authority and brand responsible for operating and coordinating the mass transit system in the Stockholm region of Sweden.
-
D.
SL
SL is the vehicle registration code used for the Austrian municipality of Anif in the state of Salzburg.
-
E.
SLD
SLD was a particle physics experiment at the SLAC Linear Collider that made precision measurements of electroweak interactions, including properties of the Z boson.
- 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: SL1 Target entity description: SL1 is a Boston bus rapid transit route on the MBTA Silver Line that connects downtown with Logan International Airport.
-
A.
SLV
SLV is the three-letter ISO 3166-1 alpha-3 country code assigned to El Salvador.
-
B.
SL
SL is the public transport authority and brand responsible for operating and coordinating the mass transit system in the Stockholm region of Sweden.
-
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 vehicle registration code used for the Austrian municipality of Anif in the state of Salzburg.
-
E.
SLD
SLD was a particle physics experiment at the SLAC Linear Collider that made precision measurements of electroweak interactions, including properties of the Z boson.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
MBTA Silver Line route
ⓘ
bus rapid transit route ⓘ |
| airportCodeServed | BOS ⓘ |
| colorOnMap | silver ⓘ |
| connects |
Downtown Boston
ⓘ
Logan International Airport ⓘ |
| connectsWith |
Amtrak at South Station
ⓘ
MBTA Commuter Rail at South Station ⓘ MBTA Red Line at South Station ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| fareSystem | MBTA fare system ⓘ |
| hasRouteNumber | SL1 ⓘ |
| hasServicePattern |
all-day service
ⓘ
frequent service ⓘ |
| hasStation | South Station ⓘ |
| hasStop |
Airport station
ⓘ
Courthouse station ⓘ Logan Airport Terminal A ⓘ
linked to:
Boston Logan International Airport
Logan Airport Terminal B ⓘ
linked to:
Boston Logan International Airport
Logan Airport Terminal C ⓘ
linked to:
Boston Logan International Airport
Logan Airport Terminal E ⓘ
linked to:
Boston Logan International Airport
World Trade Center station ⓘ |
| lineFamily |
Silver Line Waterfront services
ⓘ
linked to:
Silver Line
|
| locatedIn |
Boston
ⓘ
linked to:
Boston, Massachusetts
Massachusetts ⓘ |
| modeOfTransport | bus ⓘ |
| openedAsBRT | 2004 ⓘ |
| operatedBy |
Massachusetts Bay Transportation Authority
ⓘ
linked to:
MBTA
|
| operatesIn |
East Boston
ⓘ
linked to:
East Boston, Massachusetts
Seaport District ⓘ South Boston Waterfront ⓘ
linked to:
South Boston
|
| owner |
Massachusetts Bay Transportation Authority
ⓘ
linked to:
MBTA
|
| partOf | MBTA Silver Line ⓘ |
| regionServed | Greater Boston ⓘ |
| serves | Logan International Airport ⓘ |
| serviceType |
airport connector
ⓘ
urban transit route ⓘ |
| terminus | South Station ⓘ |
| uses |
bus rapid transit infrastructure
ⓘ
dual-mode buses ⓘ tunnel under Fort Point Channel ⓘ |
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: SL1 Description of subject: SL1 is a Boston bus rapid transit route on the MBTA Silver Line that connects downtown with Logan International Airport.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.