South San Francisco BART station
E698289
South San Francisco BART station is a Bay Area Rapid Transit station in South San Francisco, California, serving the Peninsula corridor between San Francisco and San Mateo County.
All labels observed (2)
| Label | Occurrences |
|---|---|
| South San Francisco BART station canonical | 3 |
| South San Francisco station | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7784038 — 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: South San Francisco BART station Context triple: [Colma BART station, followingStationOnYellowLine, South San Francisco BART station]
-
A.
San Bruno BART station
San Bruno BART station is a Bay Area Rapid Transit station in San Bruno, California, serving as a regional rail link between the San Francisco Peninsula and the greater Bay Area.
-
B.
Fremont station (BART)
Fremont station (BART) is a Bay Area Rapid Transit station in Fremont, California that historically served as the southern terminus of the system’s Fremont line before extension to Warm Springs/South Fremont.
-
C.
Rockridge BART station
Rockridge BART station is an elevated rapid transit station in Oakland, California, serving the Rockridge neighborhood on the Bay Area Rapid Transit system.
-
D.
Emeryville station
Emeryville station is a major Amtrak rail terminal in Emeryville, California, serving as the primary San Francisco–area hub and western terminus for long-distance routes like the California Zephyr.
-
E.
Bay Point BART station
Bay Point BART station is an elevated rapid transit station in Contra Costa County that serves as the eastern terminus of BART’s Yellow Line in the San Francisco Bay Area.
- 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: South San Francisco BART station Target entity description: South San Francisco BART station is a Bay Area Rapid Transit station in South San Francisco, California, serving the Peninsula corridor between San Francisco and San Mateo County.
-
A.
San Bruno BART station
San Bruno BART station is a Bay Area Rapid Transit station in San Bruno, California, serving as a regional rail link between the San Francisco Peninsula and the greater Bay Area.
-
B.
Fremont station (BART)
Fremont station (BART) is a Bay Area Rapid Transit station in Fremont, California that historically served as the southern terminus of the system’s Fremont line before extension to Warm Springs/South Fremont.
-
C.
Rockridge BART station
Rockridge BART station is an elevated rapid transit station in Oakland, California, serving the Rockridge neighborhood on the Bay Area Rapid Transit system.
-
D.
Emeryville station
Emeryville station is a major Amtrak rail terminal in Emeryville, California, serving as the primary San Francisco–area hub and western terminus for long-distance routes like the California Zephyr.
-
E.
Bay Point BART station
Bay Point BART station is an elevated rapid transit station in Contra Costa County that serves as the eastern terminus of BART’s Yellow Line in the San Francisco Bay Area.
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf | rapid transit station ⓘ |
| accessible | yes ⓘ |
| city | South San Francisco NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county | San Mateo County NERFINISHED ⓘ |
| fareSystem | BART distance-based fare system ⓘ |
| fareZone | BART standard fare system (no zones) NERFINISHED ⓘ |
| hasBicycleFacilities | yes ⓘ |
| hasElevators | yes ⓘ |
| hasEscalators | yes ⓘ |
| hasFareGates | yes ⓘ |
| hasParking | yes ⓘ |
| hasTicketMachines | yes ⓘ |
| hasTransitConnections | SamTrans bus services ⓘ |
| line |
BART Red Line
NERFINISHED
ⓘ
BART Yellow Line NERFINISHED ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
San Mateo County, California ⓘ South San Francisco, California NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| locatedOnCorridor | Peninsula corridor NERFINISHED ⓘ |
| numberOfPlatforms | 1 ⓘ |
| numberOfTracks | 2 ⓘ |
| openingDate | 2003-06-22 ⓘ |
| operatedBy | Bay Area Rapid Transit NERFINISHED ⓘ |
| ownedBy | Bay Area Rapid Transit District NERFINISHED ⓘ |
| partOf |
BART system
NERFINISHED
ⓘ
Bay Area Rapid Transit NERFINISHED ⓘ |
| platformType | island platform ⓘ |
| serves |
Peninsula corridor between San Francisco and San Mateo County
ⓘ
South San Francisco, California NERFINISHED ⓘ |
| servesAirportAccess | San Francisco International Airport (via BART) NERFINISHED ⓘ |
| servesCommutersTo |
San Francisco
NERFINISHED
ⓘ
San Mateo County NERFINISHED ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
| structureType | elevated station ⓘ |
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: South San Francisco BART station Description of subject: South San Francisco BART station is a Bay Area Rapid Transit station in South San Francisco, California, serving the Peninsula corridor between San Francisco and San Mateo County.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
South San Francisco station