BART Richmond–Millbrae+SFO line
E760656
The BART Richmond–Millbrae+SFO line is a Bay Area Rapid Transit route that runs from Richmond in the East Bay through Oakland and San Francisco to Millbrae and San Francisco International Airport.
All labels observed (9)
How this entity was disambiguated
This entity first appeared as the object of triple T8799425 — 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: BART Richmond–Millbrae+SFO line Context triple: [Rockridge BART station, lineServed, BART Richmond–Millbrae+SFO line]
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A.
BART Antioch–SFO+Millbrae line
The BART Antioch–SFO+Millbrae line is a Bay Area Rapid Transit service that runs between Antioch in the East Bay and San Francisco International Airport and Millbrae, connecting suburban communities with major regional transit hubs.
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B.
BART Fremont line
The BART Fremont line is a Bay Area Rapid Transit route in the San Francisco Bay Area that historically extended service to the city of Fremont in southern Alameda County.
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C.
BART Red Line
The BART Red Line is a Bay Area Rapid Transit service route that runs through San Francisco and connects key destinations including downtown San Francisco, Oakland, and other parts of the Bay Area.
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D.
BART Blue Line
The BART Blue Line is a Bay Area Rapid Transit service route that runs through San Francisco and the greater Bay Area, connecting key urban centers and regional destinations.
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E.
BART Orange Line
The BART Orange Line is a Bay Area Rapid Transit service route that runs through the East Bay and South Bay, connecting cities such as Richmond, Oakland, and San José.
- 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: BART Richmond–Millbrae+SFO line Target entity description: The BART Richmond–Millbrae+SFO line is a Bay Area Rapid Transit route that runs from Richmond in the East Bay through Oakland and San Francisco to Millbrae and San Francisco International Airport.
-
A.
BART Antioch–SFO+Millbrae line
The BART Antioch–SFO+Millbrae line is a Bay Area Rapid Transit service that runs between Antioch in the East Bay and San Francisco International Airport and Millbrae, connecting suburban communities with major regional transit hubs.
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B.
BART Fremont line
The BART Fremont line is a Bay Area Rapid Transit route in the San Francisco Bay Area that historically extended service to the city of Fremont in southern Alameda County.
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C.
BART Red Line
The BART Red Line is a Bay Area Rapid Transit service route that runs through San Francisco and connects key destinations including downtown San Francisco, Oakland, and other parts of the Bay Area.
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D.
BART Blue Line
The BART Blue Line is a Bay Area Rapid Transit service route that runs through San Francisco and the greater Bay Area, connecting key urban centers and regional destinations.
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E.
BART Orange Line
The BART Orange Line is a Bay Area Rapid Transit service route that runs through the East Bay and South Bay, connecting cities such as Richmond, Oakland, and San José.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf | rapid transit line ⓘ |
| connectsArea |
East Bay
NERFINISHED
ⓘ
San Francisco NERFINISHED ⓘ San Mateo County NERFINISHED ⓘ |
| connectsStation |
Millbrae station
NERFINISHED
ⓘ
Oakland 12th Street/Oakland City Center station NERFINISHED ⓘ Oakland 19th Street/Oakland station NERFINISHED ⓘ Richmond station NERFINISHED ⓘ San Francisco Civic Center/UN Plaza station NERFINISHED ⓘ San Francisco Embarcadero station NERFINISHED ⓘ San Francisco International Airport station NERFINISHED ⓘ San Francisco Montgomery Street station NERFINISHED ⓘ San Francisco Powell Street station NERFINISHED ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| crosses | San Francisco–Oakland Bay corridor NERFINISHED ⓘ |
| electrification | third rail electrification ⓘ |
| electrificationVoltage | 1000 V DC ⓘ |
| fareSystem | BART distance-based fares ⓘ |
| gauge | broad gauge ⓘ |
| locatedIn | San Francisco Bay Area ⓘ |
| modeOfTransport | rail ⓘ |
| operator | Bay Area Rapid Transit NERFINISHED ⓘ |
| owner | Bay Area Rapid Transit District NERFINISHED ⓘ |
| partOfNetwork |
BART Richmond line
NERFINISHED
ⓘ
BART San Francisco International Airport extension NERFINISHED ⓘ |
| passesUnder | San Francisco Bay NERFINISHED ⓘ |
| region |
East Bay
NERFINISHED
ⓘ
San Francisco Peninsula NERFINISHED ⓘ |
| rollingStock |
BART A series cars
NERFINISHED
ⓘ
BART B series cars NERFINISHED ⓘ BART C series cars NERFINISHED ⓘ BART D series cars NERFINISHED ⓘ BART E series cars NERFINISHED ⓘ |
| servesCity |
Millbrae, California
NERFINISHED
ⓘ
Oakland, California NERFINISHED ⓘ Richmond, California NERFINISHED ⓘ San Francisco, California NERFINISHED ⓘ |
| servesFacility | San Francisco International Airport NERFINISHED ⓘ |
| serviceType |
airport rail link
ⓘ
commuter rail transit ⓘ |
| state |
California
ⓘ
linked to:
California, United States
|
| system | Bay Area Rapid Transit NERFINISHED ⓘ |
| terminus |
Millbrae station
NERFINISHED
ⓘ
Richmond station NERFINISHED ⓘ San Francisco International Airport station NERFINISHED ⓘ |
| trackConfiguration | double track ⓘ |
| usesInfrastructure | Transbay Tube NERFINISHED ⓘ |
| usesTrack | BART mainline tracks NERFINISHED ⓘ |
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: BART Richmond–Millbrae+SFO line Description of subject: The BART Richmond–Millbrae+SFO line is a Bay Area Rapid Transit route that runs from Richmond in the East Bay through Oakland and San Francisco to Millbrae and San Francisco International Airport.
Referenced by (26)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: BART Richmond–Millbrae+SFO line
linked to: BART Richmond–Millbrae+SFO line
linked to: BART Richmond–Millbrae+SFO line
linked to: BART Richmond–Millbrae+SFO line
linked to: BART Richmond–Millbrae+SFO line
linked to: BART Richmond–Millbrae+SFO line
linked to: BART Richmond–Millbrae+SFO line
linked to: BART Richmond–Millbrae+SFO line
linked to: BART Richmond–Millbrae+SFO line
linked to: BART Richmond–Millbrae+SFO line
Dublin/Pleasanton station
→
line
→
Dublin/Pleasanton–San Francisco International Airport/Millbrae line
ⓘ
subject linked to:
Dublin/Pleasanton BART station
linked to: BART Richmond–Millbrae+SFO line
subject linked to:
Powell Street BART/Muni station
linked to: BART Richmond–Millbrae+SFO line
linked to: BART Richmond–Millbrae+SFO line
linked to: BART Richmond–Millbrae+SFO line
linked to: BART Richmond–Millbrae+SFO line
linked to: BART Richmond–Millbrae+SFO line
linked to: BART Richmond–Millbrae+SFO line
linked to: BART Richmond–Millbrae+SFO line
linked to: BART Richmond–Millbrae+SFO line
linked to: BART Richmond–Millbrae+SFO line