BART Yellow Line
E578519
The BART Yellow Line is a Bay Area Rapid Transit route that runs through key stations including Civic Center/UN Plaza, connecting San Francisco with the East Bay and beyond.
All labels observed (3)
| Label | Occurrences |
|---|---|
| BART Yellow Line canonical | 3 |
| BART Yellow Line (Antioch–SFO+Millbrae) | 1 |
| BART Yellow Line (some services) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6046760 — 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 Yellow Line Context triple: [Civic Center/UN Plaza station, hasService, BART Yellow Line]
-
A.
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.
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B.
BART Green Line
The BART Green Line is a Bay Area Rapid Transit service route that operates trains through the South Bay, including stops such as Berryessa/North San José station.
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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 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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E.
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.
- 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 Yellow Line Target entity description: The BART Yellow Line is a Bay Area Rapid Transit route that runs through key stations including Civic Center/UN Plaza, connecting San Francisco with the East Bay and beyond.
-
A.
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.
-
B.
BART Green Line
The BART Green Line is a Bay Area Rapid Transit service route that operates trains through the South Bay, including stops such as Berryessa/North San José station.
-
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.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf | rapid transit line ⓘ |
| connectsArea |
East Bay
NERFINISHED
ⓘ
San Francisco NERFINISHED ⓘ |
| electrification | third rail ⓘ |
| electrificationVoltage | 1000 V DC ⓘ |
| hasColor | yellow ⓘ |
| hasRollingStock |
BART A car
ⓘ
BART B car NERFINISHED ⓘ BART C car NERFINISHED ⓘ BART D car NERFINISHED ⓘ BART E car ⓘ |
| hasStation |
12th St/Oakland City Center station
NERFINISHED
ⓘ
16th St Mission station NERFINISHED ⓘ 19th St/Oakland station NERFINISHED ⓘ 24th St Mission station NERFINISHED ⓘ Balboa Park station NERFINISHED ⓘ Bay Fair station NERFINISHED ⓘ Civic Center/UN Plaza station NERFINISHED ⓘ Coliseum station NERFINISHED ⓘ Colma station NERFINISHED ⓘ Concord station NERFINISHED ⓘ Daly City station NERFINISHED ⓘ Embarcadero station NERFINISHED ⓘ Fremont station NERFINISHED ⓘ Fruitvale station NERFINISHED ⓘ Glen Park station NERFINISHED ⓘ Hayward station NERFINISHED ⓘ Lafayette station NERFINISHED ⓘ Lake Merritt station NERFINISHED ⓘ MacArthur station NERFINISHED ⓘ Montgomery Street station NERFINISHED ⓘ North Concord/Martinez station NERFINISHED ⓘ Orinda station NERFINISHED ⓘ Pittsburg/Bay Point station NERFINISHED ⓘ Pleasant Hill/Contra Costa Centre station NERFINISHED ⓘ Powell Street station NERFINISHED ⓘ Rockridge station NERFINISHED ⓘ San Bruno station NERFINISHED ⓘ San Leandro station NERFINISHED ⓘ South Hayward station NERFINISHED ⓘ South San Francisco station NERFINISHED ⓘ Union City station NERFINISHED ⓘ Walnut Creek station NERFINISHED ⓘ West Oakland station NERFINISHED ⓘ |
| operator | Bay Area Rapid Transit NERFINISHED ⓘ |
| servesCity |
Oakland
NERFINISHED
ⓘ
San Francisco NERFINISHED ⓘ |
| servesRegion | San Francisco Bay Area NERFINISHED ⓘ |
| system | Bay Area Rapid Transit NERFINISHED ⓘ |
| usesTrackGauge | standard gauge ⓘ |
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 Yellow Line Description of subject: The BART Yellow Line is a Bay Area Rapid Transit route that runs through key stations including Civic Center/UN Plaza, connecting San Francisco with the East Bay and beyond.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Civic Center/UN Plaza station
this entity surface form:
BART Yellow Line (some services)
this entity surface form:
BART Yellow Line (Antioch–SFO+Millbrae)