Muni Metro line L
E197118
Muni Metro line L is a light rail service in San Francisco that runs between downtown and the southwestern neighborhoods, including the Castro District and the Sunset District.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Muni Metro L Taraval line | 7 |
| Muni Metro L Taraval | 1 |
| Muni Metro line L canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1741374 — 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: Muni Metro line L Context triple: [Castro District, transportConnection, Muni Metro line L]
-
A.
Muni Metro line K
Muni Metro line K is a light rail service in San Francisco that connects neighborhoods including the Castro District with other parts of the city.
-
B.
Muni F-Market & Wharves line
The Muni F-Market & Wharves line is a historic streetcar route in San Francisco that runs along Market Street and the Embarcadero, connecting downtown with popular waterfront destinations.
-
C.
Muni Metro N Judah line
The Muni Metro N Judah line is a light rail line in San Francisco that runs from downtown through neighborhoods like the Inner Sunset to the Outer Sunset near Ocean Beach.
-
D.
Muni Metro T Third Street line
The Muni Metro T Third Street line is a light rail service in San Francisco that runs along the city’s eastern waterfront, connecting neighborhoods from Visitacion Valley and Bayview to downtown and beyond.
-
E.
Richmond–Millbrae line
The Richmond–Millbrae line is a Bay Area Rapid Transit (BART) service route in the San Francisco Bay Area that connects Richmond in the East Bay with Millbrae near San Francisco International Airport.
- 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: Muni Metro line L Target entity description: Muni Metro line L is a light rail service in San Francisco that runs between downtown and the southwestern neighborhoods, including the Castro District and the Sunset District.
-
A.
Muni Metro line K
Muni Metro line K is a light rail service in San Francisco that connects neighborhoods including the Castro District with other parts of the city.
-
B.
Muni F-Market & Wharves line
The Muni F-Market & Wharves line is a historic streetcar route in San Francisco that runs along Market Street and the Embarcadero, connecting downtown with popular waterfront destinations.
-
C.
Muni Metro N Judah line
The Muni Metro N Judah line is a light rail line in San Francisco that runs from downtown through neighborhoods like the Inner Sunset to the Outer Sunset near Ocean Beach.
-
D.
Muni Metro T Third Street line
The Muni Metro T Third Street line is a light rail service in San Francisco that runs along the city’s eastern waterfront, connecting neighborhoods from Visitacion Valley and Bayview to downtown and beyond.
-
E.
Richmond–Millbrae line
The Richmond–Millbrae line is a Bay Area Rapid Transit (BART) service route in the San Francisco Bay Area that connects Richmond in the East Bay with Millbrae near San Francisco International Airport.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
light rail line
ⓘ
public transit service ⓘ |
| cityServed | San Francisco ⓘ |
| continent | North America ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrification | overhead lines ⓘ |
| hasOwner | San Francisco Municipal Transportation Agency ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
San Francisco ⓘ United States of America ⓘ
surface form:
United States
|
| modeOfTransport | light rail ⓘ |
| operator |
San Francisco Muni
ⓘ
surface form:
Muni Metro
San Francisco Muni ⓘ
surface form:
San Francisco Municipal Railway
|
| partOf |
Muni Metro lines
ⓘ
surface form:
Muni Metro light rail network
|
| publicTransportSystem | Muni ⓘ |
| railGauge | standard gauge ⓘ |
| serves |
Castro District
ⓘ
Sunset District ⓘ Downtown San Francisco ⓘ
surface form:
downtown San Francisco
southwestern neighborhoods of San Francisco ⓘ |
| serviceArea |
southwestern San Francisco
ⓘ
western San Francisco ⓘ |
| shortName | L ⓘ |
| system |
San Francisco Muni
ⓘ
surface form:
Muni Metro
San Francisco Muni ⓘ
surface form:
San Francisco Municipal Railway
|
| transportType | urban rail 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: Muni Metro line L Description of subject: Muni Metro line L is a light rail service in San Francisco that runs between downtown and the southwestern neighborhoods, including the Castro District and the Sunset District.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Muni Metro L Taraval line
this entity surface form:
Muni Metro L Taraval line
subject surface form:
Civic Center/UN Plaza station
this entity surface form:
Muni Metro L Taraval
this entity surface form:
Muni Metro L Taraval line
subject surface form:
Embarcadero station
this entity surface form:
Muni Metro L Taraval line
this entity surface form:
Muni Metro L Taraval line
this entity surface form:
Muni Metro L Taraval line
subject surface form:
Powell Street station
this entity surface form:
Muni Metro L Taraval line