Emeryville station
E127020
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Emeryville Amtrak station | 1 |
| Emeryville station canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T960257 — 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: Emeryville station Context triple: [California Zephyr, endStation, Emeryville station]
-
A.
Millbrae station
Millbrae station is a major intermodal transit hub in Millbrae, California, serving as a connection point between Caltrain commuter rail, BART rapid transit, and other local transportation services.
-
B.
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.
-
C.
San Francisco International Airport station
San Francisco International Airport station is a Bay Area Rapid Transit (BART) rail station that directly serves San Francisco International Airport, providing regional transit connections for air travelers.
-
D.
Mountain View station
Mountain View station is a commuter rail stop in Mountain View, California, serving as a key transit hub on the Caltrain line and connecting to local light rail and bus services.
-
E.
San Jose Diridon station
San Jose Diridon station is a major intermodal transit hub in San Jose, California, serving commuter rail, intercity rail, light rail, and bus services.
- 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: Emeryville station Target entity description: 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.
-
A.
Millbrae station
Millbrae station is a major intermodal transit hub in Millbrae, California, serving as a connection point between Caltrain commuter rail, BART rapid transit, and other local transportation services.
-
B.
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.
-
C.
San Francisco International Airport station
San Francisco International Airport station is a Bay Area Rapid Transit (BART) rail station that directly serves San Francisco International Airport, providing regional transit connections for air travelers.
-
D.
Mountain View station
Mountain View station is a commuter rail stop in Mountain View, California, serving as a key transit hub on the Caltrain line and connecting to local light rail and bus services.
-
E.
San Jose Diridon station
San Jose Diridon station is a major intermodal transit hub in San Jose, California, serving commuter rail, intercity rail, light rail, and bus services.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Amtrak station
ⓘ
railway station ⓘ train station ⓘ |
| accessible | yes ⓘ |
| connectsTo |
Chicago, Illinois, United States
ⓘ
surface form:
Chicago, Illinois
Los Angeles, California, United States of America ⓘ
surface form:
Los Angeles, California
Oakland ⓘ
surface form:
Oakland, California
Sacramento ⓘ
surface form:
Sacramento, California
San Francisco, California, United States of America ⓘ
surface form:
San Francisco, California
|
| coordinates | approximately 37.840°N 122.291°W ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| distanceFromSanFrancisco | approximately 9 miles east ⓘ |
| hasAmenity |
baggage service
ⓘ
parking lot ⓘ restrooms ⓘ ticket office ⓘ waiting room ⓘ |
| hasBusConnections |
Amtrak Thruway Motorcoach
ⓘ
local transit buses ⓘ |
| hasPlatformType |
island platform
ⓘ
side platform ⓘ |
| hasRailLine | Union Pacific Railroad Martinez Subdivision ⓘ |
| hasStructureType | at-grade station ⓘ |
| locatedIn |
Alameda County
ⓘ
surface form:
Alameda County, California
Emeryville, California ⓘ |
| locatedInMetropolitanArea | San Francisco Bay Area ⓘ |
| near |
Interstate 80
ⓘ
San Francisco–Oakland Bay Bridge ⓘ |
| numberOfTracks | 3 ⓘ |
| opened | 1993 ⓘ |
| operatedBy | Amtrak ⓘ |
| ownedBy |
Emeryville, California
ⓘ
surface form:
City of Emeryville
|
| parkingAvailable | yes ⓘ |
| replaced | Oakland Central station as primary Bay Area Amtrak terminal ⓘ |
| role |
major Amtrak rail terminal
ⓘ
primary San Francisco–area hub for Amtrak ⓘ western terminus of the California Zephyr ⓘ |
| servedBy |
Amtrak
ⓘ
California Zephyr ⓘ Amtrak Capitol Corridor ⓘ
surface form:
Capitol Corridor
Coast Starlight ⓘ San Joaquins Thruway Motorcoach ⓘ |
| servedByServiceType |
Thruway buses
ⓘ
intercity trains ⓘ long-distance trains ⓘ |
| stationCode | EMY ⓘ |
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: Emeryville station Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Emeryville Amtrak station