West Oakland station
E423150
West Oakland station is a Bay Area Rapid Transit (BART) station in Oakland, California, serving as a key stop near the eastern approach to the San Francisco–Oakland Bay Bridge.
All labels observed (1)
| Label | Occurrences |
|---|---|
| West Oakland station canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3899822 — 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: West Oakland station Context triple: [Dublin/Pleasanton–Daly City line, hasStation, West Oakland station]
-
A.
Oakland International Airport station
Oakland International Airport station is a Bay Area Rapid Transit (BART) rail station that provides direct transit service between Oakland International Airport and the broader San Francisco Bay Area.
-
B.
19th Street Oakland station
19th Street Oakland station is a major Bay Area Rapid Transit (BART) underground station serving central Oakland, California.
-
C.
Downtown Berkeley station
Downtown Berkeley station is a major underground Bay Area Rapid Transit (BART) stop serving the commercial core and university area of Berkeley, California.
-
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.
North Berkeley station
North Berkeley station is a Bay Area Rapid Transit (BART) station in Berkeley, California, serving as a local transit hub on the system’s Richmond line.
- 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: West Oakland station Target entity description: West Oakland station is a Bay Area Rapid Transit (BART) station in Oakland, California, serving as a key stop near the eastern approach to the San Francisco–Oakland Bay Bridge.
-
A.
Oakland International Airport station
Oakland International Airport station is a Bay Area Rapid Transit (BART) rail station that provides direct transit service between Oakland International Airport and the broader San Francisco Bay Area.
-
B.
19th Street Oakland station
19th Street Oakland station is a major Bay Area Rapid Transit (BART) underground station serving central Oakland, California.
-
C.
Downtown Berkeley station
Downtown Berkeley station is a major underground Bay Area Rapid Transit (BART) stop serving the commercial core and university area of Berkeley, California.
-
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.
North Berkeley station
North Berkeley station is a Bay Area Rapid Transit (BART) station in Berkeley, California, serving as a local transit hub on the system’s Richmond line.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Bay Area Rapid Transit station
ⓘ
rapid transit station ⓘ |
| accessible | yes ⓘ |
| adjacentTo | San Francisco–Oakland Bay Bridge eastern approach NERFINISHED ⓘ |
| bicycleFacilities | bicycle racks ⓘ |
| category | BART stations in Oakland, California ⓘ |
| coordinates | approximate ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| dstObserved | Pacific Daylight Time NERFINISHED ⓘ |
| electrification | third rail ⓘ |
| faregatesLocation | under platform level ⓘ |
| fareZone | BART fare system ⓘ |
| followingStationDirectionEast | MacArthur station NERFINISHED ⓘ |
| hasArt | public art installations ⓘ |
| hasBusConnections | AC Transit NERFINISHED ⓘ |
| hasElevator | yes ⓘ |
| hasEscalator | yes ⓘ |
| hasRestrooms | yes ⓘ |
| hasShelteredPlatforms | partially ⓘ |
| hasTicketVendingMachines | yes ⓘ |
| isKeyTransferPoint | yes ⓘ |
| locatedIn |
Alameda County
ⓘ
surface form:
Alameda County, California
California, United States ⓘ
surface form:
California
Oakland ⓘ
surface form:
Oakland, California
United States of America ⓘ
surface form:
United States
|
| locatedInTimeZone | Pacific Time Zone ⓘ |
| near |
Mandela Parkway
NERFINISHED
ⓘ
West Grand Avenue NERFINISHED ⓘ |
| numberOfTracks | 2 ⓘ |
| openingDate | 1974-09-16 ⓘ |
| operator | Bay Area Rapid Transit NERFINISHED ⓘ |
| ownedBy | Bay Area Rapid Transit District NERFINISHED ⓘ |
| parkingAvailability | no BART parking lot ⓘ |
| partOf | BART system NERFINISHED ⓘ |
| platformConfiguration | 2 side platforms ⓘ |
| precedingStationDirectionWest | Transbay Tube (toward San Francisco) NERFINISHED ⓘ |
| publicTransitSystem | Bay Area Rapid Transit NERFINISHED ⓘ |
| railwayLine |
BART Antioch–SFO+Millbrae line
NERFINISHED
ⓘ
BART Berryessa/North San José–Daly City line NERFINISHED ⓘ BART Berryessa/North San José–Richmond line NERFINISHED ⓘ BART Dublin/Pleasanton–Daly City line NERFINISHED ⓘ BART Richmond–Daly City/Millbrae line NERFINISHED ⓘ BART Richmond–Millbrae+SFO line NERFINISHED ⓘ |
| safetyFeatures |
CCTV surveillance
ⓘ
platform edge warning strips ⓘ |
| serves | West Oakland neighborhood NERFINISHED ⓘ |
| servesMetropolitanArea | San Francisco Bay Area NERFINISHED ⓘ |
| structureType | elevated station ⓘ |
| ticketingSystem | Clipper card 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: West Oakland station Description of subject: West Oakland station is a Bay Area Rapid Transit (BART) station in Oakland, California, serving as a key stop near the eastern approach to the San Francisco–Oakland Bay Bridge.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.