T Third Street line
E73820
The T Third Street line is a San Francisco Muni Metro light rail line that serves the city’s southeastern neighborhoods and provides a key north–south transit corridor.
All labels observed (1)
| Label | Occurrences |
|---|---|
| T Third Street line canonical | 8 |
How this entity was disambiguated
This entity first appeared as the object of triple T589750 — 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: T Third Street line Context triple: [Central Subway, connectsWith, T Third Street line]
-
A.
T Line
The T Line is a streetcar-style light rail route within the Sound Transit Link system serving Tacoma, Washington.
-
B.
Dyre Avenue Line
The Dyre Avenue Line is a New York City Subway line in the Bronx operated by the IRT division, primarily serving the 5 train along a former New York, Westchester and Boston Railway right-of-way.
-
C.
Eighth Avenue Line
The Eighth Avenue Line is a major New York City Subway trunk line in Manhattan, primarily served by the A, C, and E trains and known as the system’s first fully independent subway route.
-
D.
Purple Line
The Purple Line is a rapid transit route in Chicago's 'L' system that primarily serves the city's northern suburbs and connects them to the North Side of Chicago.
-
E.
Metro Line 3
Metro Line 3 is a major Mexico City Metro route that runs north–south across the city, connecting key residential and commercial areas including the Gustavo A. Madero borough.
- 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: T Third Street line Target entity description: The T Third Street line is a San Francisco Muni Metro light rail line that serves the city’s southeastern neighborhoods and provides a key north–south transit corridor.
-
A.
T Line
The T Line is a streetcar-style light rail route within the Sound Transit Link system serving Tacoma, Washington.
-
B.
Dyre Avenue Line
The Dyre Avenue Line is a New York City Subway line in the Bronx operated by the IRT division, primarily serving the 5 train along a former New York, Westchester and Boston Railway right-of-way.
-
C.
Eighth Avenue Line
The Eighth Avenue Line is a major New York City Subway trunk line in Manhattan, primarily served by the A, C, and E trains and known as the system’s first fully independent subway route.
-
D.
Purple Line
The Purple Line is a rapid transit route in Chicago's 'L' system that primarily serves the city's northern suburbs and connects them to the North Side of Chicago.
-
E.
Metro Line 3
Metro Line 3 is a major Mexico City Metro route that runs north–south across the city, connecting key residential and commercial areas including the Gustavo A. Madero borough.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
San Francisco Muni Metro line
ⓘ
light rail line ⓘ |
| category |
Light rail in California
ⓘ
Muni Metro lines ⓘ Public transport in San Francisco ⓘ |
| corridorRole | key north–south transit corridor ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| direction | north–south corridor ⓘ |
| electrification | overhead lines ⓘ |
| fareIntegration | Clipper card ⓘ |
| farePolicy | proof-of-payment ⓘ |
| fareSystem | Muni fare system ⓘ |
| hasAccessibility |
high-platform or mini-high stops
ⓘ
wheelchair-accessible vehicles ⓘ |
| isPartOfUrbanTransitNetwork | true ⓘ |
| isRapidTransit | false ⓘ |
| isTram | true ⓘ |
| isUrbanRail | true ⓘ |
| lineDesignation |
the T
ⓘ
surface form:
T
|
| lineName | T Third Street ⓘ |
| location |
California, United States
ⓘ
surface form:
California
San Francisco ⓘ United States of America ⓘ
surface form:
United States
|
| namedAfter |
3rd Street
ⓘ
surface form:
Third Street
|
| operator |
San Francisco Muni
ⓘ
surface form:
Muni Metro
San Francisco Municipal Transportation Agency ⓘ |
| partOf |
San Francisco Muni
ⓘ
surface form:
San Francisco Municipal Railway
|
| primaryFunction | urban passenger transport ⓘ |
| publicTransportMode | rail ⓘ |
| region |
San Francisco Bay Area
ⓘ
surface form:
Bay Area
|
| safetySystem | traffic-signal priority at some intersections ⓘ |
| serves | southeastern San Francisco neighborhoods ⓘ |
| servesCity | San Francisco ⓘ |
| servesCorridor | Third Street corridor ⓘ |
| system |
San Francisco Muni
ⓘ
surface form:
San Francisco Muni Metro
|
| ticketing |
onboard inspectors
ⓘ
ticket vending machines at some stations ⓘ |
| transitType | light rail ⓘ |
| usesRollingStock | light rail vehicles ⓘ |
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: T Third Street line Description of subject: The T Third Street line is a San Francisco Muni Metro light rail line that serves the city’s southeastern neighborhoods and provides a key north–south transit corridor.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.