Amtrak Capitol Corridor at Richmond station
E406092
The Amtrak Capitol Corridor at Richmond station is a key intercity rail service stop in Richmond, California, providing regional passenger connections between the Bay Area and Sacramento Valley.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Amtrak Capitol Corridor at Richmond station canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3999000 — 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: Amtrak Capitol Corridor at Richmond station Context triple: [Richmond–Millbrae line, interchangeWith, Amtrak Capitol Corridor at Richmond station]
-
A.
Amtrak Sacramento Valley Station
Amtrak Sacramento Valley Station is the main intercity passenger rail station in Sacramento, California, serving Amtrak trains and regional transit connections.
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B.
Madera Amtrak station
Madera Amtrak station is a passenger rail station in Madera, California, served by Amtrak’s San Joaquins route in the San Joaquin Valley.
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C.
Jackson Amtrak station
Jackson Amtrak station is a historic passenger rail station in Jackson, Michigan, serving Amtrak trains on the Wolverine line between Chicago and Detroit/Pontiac.
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D.
Amtrak Providence Station
Amtrak Providence Station is a major intercity and commuter rail hub in downtown Providence, Rhode Island, serving Amtrak’s Northeast Corridor and MBTA commuter rail services.
-
E.
Riverside station
Riverside station is a major Massachusetts Bay Transportation Authority light rail station and park-and-ride hub located in Newton, Massachusetts.
- 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: Amtrak Capitol Corridor at Richmond station Target entity description: The Amtrak Capitol Corridor at Richmond station is a key intercity rail service stop in Richmond, California, providing regional passenger connections between the Bay Area and Sacramento Valley.
-
A.
Amtrak Sacramento Valley Station
Amtrak Sacramento Valley Station is the main intercity passenger rail station in Sacramento, California, serving Amtrak trains and regional transit connections.
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B.
Madera Amtrak station
Madera Amtrak station is a passenger rail station in Madera, California, served by Amtrak’s San Joaquins route in the San Joaquin Valley.
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C.
Jackson Amtrak station
Jackson Amtrak station is a historic passenger rail station in Jackson, Michigan, serving Amtrak trains on the Wolverine line between Chicago and Detroit/Pontiac.
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D.
Amtrak Providence Station
Amtrak Providence Station is a major intercity and commuter rail hub in downtown Providence, Rhode Island, serving Amtrak’s Northeast Corridor and MBTA commuter rail services.
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E.
Riverside station
Riverside station is a major Massachusetts Bay Transportation Authority light rail station and park-and-ride hub located in Newton, Massachusetts.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Amtrak station stop
ⓘ
railway service stop ⓘ |
| connectsRegion |
Sacramento Valley
ⓘ
San Francisco Bay Area ⓘ |
| connectsToMode |
heavy rail rapid transit
ⓘ
local bus services ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| electrification | non-electrified mainline ⓘ |
| fareSystem |
Amtrak ticketing
ⓘ
Capitol Corridor ticketing ⓘ |
| hasAccessibility | accessible for passengers with disabilities ⓘ |
| hasAmenity |
sheltered platforms
ⓘ
ticket machines ⓘ waiting area ⓘ |
| hasConnection |
Bay Area Rapid Transit Richmond station
ⓘ
linked to:
Richmond BART station
|
| hasNearbyWaterBody | San Francisco Bay ⓘ |
| hasPlatformType | island platform ⓘ |
| hasRoleInNetwork | interchange between intercity rail and rapid transit ⓘ |
| hasServiceFrequency | high-frequency corridor service ⓘ |
| hasServiceOperator | Amtrak California ⓘ |
| hasServicePattern | multiple daily round trips ⓘ |
| hasTrackUsage | shared with freight trains ⓘ |
| isKeyStopOn |
Capitol Corridor route
ⓘ
linked to:
Amtrak Capitol Corridor
|
| isPartOf |
Amtrak California network
ⓘ
linked to:
Amtrak California
Capitol Corridor route structure ⓘ |
| locatedIn |
Contra Costa County, California
ⓘ
linked to:
Contra Costa County
Richmond, California ⓘ San Francisco Bay Area ⓘ |
| locatedOnRailLine | Union Pacific Railroad Martinez Subdivision ⓘ |
| offersService | passenger rail transport ⓘ |
| partOfRouteBetween |
Auburn, California
ⓘ
Sacramento, California ⓘ
linked to:
Sacramento
San Jose, California NERFINISHED ⓘ |
| primaryFunction | regional passenger connections ⓘ |
| railGauge | standard gauge ⓘ |
| railLineType |
intercity rail
ⓘ
regional rail ⓘ |
| railOperator |
Amtrak
ⓘ
Capitol Corridor Joint Powers Authority ⓘ |
| safetySystem | Positive Train Control (on corridor) ⓘ |
| servedByRailService |
Capitol Corridor
ⓘ
linked to:
Amtrak Capitol Corridor
|
| servesCity | Richmond, California ⓘ |
| servesRegion | East Bay ⓘ |
| ticketingIntegration |
Capitol Corridor eTicketing
ⓘ
linked to:
Amtrak mobile app
|
| timezone | Pacific Time Zone ⓘ |
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: Amtrak Capitol Corridor at Richmond station Description of subject: The Amtrak Capitol Corridor at Richmond station is a key intercity rail service stop in Richmond, California, providing regional passenger connections between the Bay Area and Sacramento Valley.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
Amtrak San Joaquins at Richmond station
→
hasConnection
→
Amtrak Capitol Corridor at Richmond station
ⓘ