Oakland Amtrak station (Jack London Square)
E231570
Oakland Amtrak station (Jack London Square) is a major intercity passenger rail station in Oakland, California, serving Amtrak trains along the Capitol Corridor and other routes near the Jack London Square waterfront district.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Amtrak Oakland – Jack London Square station | 1 |
| Oakland Amtrak station (Jack London Square) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2071904 — 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: Oakland Amtrak station (Jack London Square) Context triple: [Downtown Oakland, hasTransportation, Oakland Amtrak station (Jack London Square)]
-
A.
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.
-
B.
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.
-
C.
San Francisco 4th and King Street station
San Francisco 4th and King Street station is a major commuter rail terminal in San Francisco that serves as the northern terminus for Caltrain services between the city and the Peninsula/Silicon Valley.
-
D.
BART Embarcadero Station
BART Embarcadero Station is a major underground transit hub in downtown San Francisco serving Bay Area Rapid Transit trains and connecting with Muni Metro light rail lines.
-
E.
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.
- 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: Oakland Amtrak station (Jack London Square) Target entity description: Oakland Amtrak station (Jack London Square) is a major intercity passenger rail station in Oakland, California, serving Amtrak trains along the Capitol Corridor and other routes near the Jack London Square waterfront district.
-
A.
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.
-
B.
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.
-
C.
San Francisco 4th and King Street station
San Francisco 4th and King Street station is a major commuter rail terminal in San Francisco that serves as the northern terminus for Caltrain services between the city and the Peninsula/Silicon Valley.
-
D.
BART Embarcadero Station
BART Embarcadero Station is a major underground transit hub in downtown San Francisco serving Bay Area Rapid Transit trains and connecting with Muni Metro light rail lines.
-
E.
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.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Amtrak station
ⓘ
intercity rail station ⓘ railway station ⓘ |
| accessible | yes ⓘ |
| adjacentTo | Embarcadero West ⓘ |
| bicycleFacilities | available ⓘ |
| category |
Amtrak stations in California
ⓘ
Buildings and structures in Oakland, California ⓘ Railway stations in Oakland, California ⓘ |
| connectsTo | AC Transit bus services ⓘ |
| coordinates | approx. 37.794°N 122.276°W ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| fareSystem | Amtrak fare system ⓘ |
| hasBusConnections | yes ⓘ |
| hasLevelBoarding | partial ⓘ |
| hasRestrooms | yes ⓘ |
| hasShelters | yes ⓘ |
| hasSignage | Amtrak-branded signage ⓘ |
| hasStationCode | OKJ ⓘ |
| hasTicketOffice | yes ⓘ |
| hasWaitingRoom | yes ⓘ |
| locatedIn |
Alameda County, California
ⓘ
linked to:
Alameda County
California ⓘ
linked to:
California, United States
Jack London Square ⓘ Oakland, California ⓘ
linked to:
Oakland
waterfront district of Oakland ⓘ |
| near |
Jack London Square waterfront
ⓘ
linked to:
Jack London Square
Oakland Inner Harbor ⓘ |
| opened | 1995 ⓘ |
| operator | Amtrak ⓘ |
| owner | Amtrak ⓘ |
| parking | available ⓘ |
| platforms | 2 side platforms ⓘ |
| railLine |
UP Oakland Subdivision
ⓘ
linked to:
Union Pacific Railroad Oakland Subdivision
|
| replaced | former Oakland Central station for intercity service ⓘ |
| servedBy |
Capitol Corridor
ⓘ
linked to:
Amtrak Capitol Corridor
Coast Starlight ⓘ San Joaquins (via bus connection) ⓘ
linked to:
San Joaquins route
Thruway Motorcoach ⓘ
linked to:
Amtrak Thruway Motorcoach
|
| servesCity |
Oakland, California
ⓘ
linked to:
Oakland
|
| servesRegion | San Francisco Bay Area ⓘ |
| servesRoute |
Los Angeles–Seattle route of Coast Starlight
ⓘ
linked to:
Amtrak Coast Starlight
Oakland–Sacramento segment of Capitol Corridor ⓘ
linked to:
Amtrak Capitol Corridor
Oakland–San Jose segment of Capitol Corridor ⓘ
linked to:
Amtrak Capitol Corridor
|
| structureType | at-grade ⓘ |
| ticketing | staffed and self-service kiosks ⓘ |
| timezone | Pacific Time Zone ⓘ |
| tracks | 2 ⓘ |
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: Oakland Amtrak station (Jack London Square) Description of subject: Oakland Amtrak station (Jack London Square) is a major intercity passenger rail station in Oakland, California, serving Amtrak trains along the Capitol Corridor and other routes near the Jack London Square waterfront district.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Oakland Amtrak station (Jack London Square)