Muni Metro lines
E370826
Muni Metro lines are a network of light rail routes in San Francisco that provide rapid transit service across the city as part of the San Francisco Municipal Railway system.
All labels observed (7)
| Label | Occurrences |
|---|---|
| Muni Metro | 18 |
| Muni light rail | 4 |
| Muni Metro light rail network | 1 |
| Muni Metro lines canonical | 1 |
| Muni Metro rail network | 1 |
| Muni Metro subway lines | 1 |
| Muni Metro surface lines | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3494648 — 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 lines Context triple: [T Third Street line, category, Muni Metro lines]
-
A.
Muni Metro K Ingleside line
The Muni Metro K Ingleside line is a light rail service in San Francisco that runs from downtown through the Twin Peaks Tunnel to the southwestern neighborhoods, including Ingleside.
-
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 line L
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.
-
E.
Muni Metro Market Street lines
Muni Metro Market Street lines are a set of light rail routes in San Francisco that run in a subway beneath Market Street, forming the core of the city’s urban rail transit corridor.
- 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 lines Target entity description: Muni Metro lines are a network of light rail routes in San Francisco that provide rapid transit service across the city as part of the San Francisco Municipal Railway system.
-
A.
Muni Metro K Ingleside line
The Muni Metro K Ingleside line is a light rail service in San Francisco that runs from downtown through the Twin Peaks Tunnel to the southwestern neighborhoods, including Ingleside.
-
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 line L
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.
-
E.
Muni Metro Market Street lines
Muni Metro Market Street lines are a set of light rail routes in San Francisco that run in a subway beneath Market Street, forming the core of the city’s urban rail transit corridor.
- F. None of above. chosen
Statements (53)
| Predicate | Object |
|---|---|
| instanceOf |
light rail transit network
ⓘ
urban rail system ⓘ |
| connectsWith |
Bay Area Rapid Transit
ⓘ
linked to:
BART
Caltrain ⓘ Muni bus network ⓘ San Francisco cable cars ⓘ
linked to:
San Francisco cable car system
|
| electrification | overhead catenary ⓘ |
| fareIntegrationWith |
Muni buses
ⓘ
linked to:
Muni bus network
Muni historic streetcars ⓘ Muni trolleybuses ⓘ
linked to:
Muni bus network
|
| fareSystem | Muni fare system ⓘ |
| hasLine |
J Church
ⓘ
K Ingleside ⓘ L Taraval ⓘ M Ocean View ⓘ N Judah ⓘ S Shuttle ⓘ
linked to:
S Shuttles
T Third Street ⓘ |
| hasLineDesignation |
J
ⓘ
K ⓘ L ⓘ M ⓘ N ⓘ S ⓘ T ⓘ |
| hasStationType |
at-grade stops
ⓘ
median stops ⓘ surface stops ⓘ underground stations ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
San Francisco ⓘ United States ⓘ
linked to:
United States of America
|
| operatedBy | San Francisco Municipal Transportation Agency ⓘ |
| ownedBy |
City and County of San Francisco
ⓘ
linked to:
San Francisco County
|
| partOf |
San Francisco Municipal Railway
ⓘ
linked to:
San Francisco Muni
|
| runsOn |
Market Street Subway trunk line
ⓘ
linked to:
Market Street subway
|
| serves |
Balboa Park
ⓘ
Downtown San Francisco ⓘ Embarcadero ⓘ Ingleside ⓘ Market Street Subway ⓘ
linked to:
Market Street subway
Mission Bay ⓘ Ocean View ⓘ Sunset District ⓘ Sunset Tunnel ⓘ Twin Peaks Tunnel ⓘ West Portal ⓘ |
| serviceType | rapid transit ⓘ |
| systemName | Muni Metro ⓘ |
| ticketing | proof-of-payment ⓘ |
| transitType | light rail ⓘ |
| uses |
light rail vehicles
ⓘ
overhead lines ⓘ |
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 lines Description of subject: Muni Metro lines are a network of light rail routes in San Francisco that provide rapid transit service across the city as part of the San Francisco Municipal Railway system.
Referenced by (27)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Muni Metro lines
linked to: Muni Metro lines
linked to: Muni Metro lines
linked to: Muni Metro lines
subject linked to:
Market Street
linked to: Muni Metro lines
linked to: Muni Metro lines
linked to: Muni Metro lines
linked to: Muni Metro lines
linked to: Muni Metro lines
linked to: Muni Metro lines
linked to: Muni Metro lines
linked to: Muni Metro lines
linked to: Muni Metro lines
linked to: Muni Metro lines
linked to: Muni Metro lines
linked to: Muni Metro lines
linked to: Muni Metro lines
linked to: Muni Metro lines
linked to: Muni Metro lines
linked to: Muni Metro lines
linked to: Muni Metro lines
linked to: Muni Metro lines
linked to: Muni Metro lines
linked to: Muni Metro lines
linked to: Muni Metro lines
linked to: Muni Metro lines