Madera Amtrak station
E239250
Madera Amtrak station is a passenger rail station in Madera, California, served by Amtrak’s San Joaquins route in the San Joaquin Valley.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Amtrak San Joaquins (nearby Madera station) | 1 |
| Madera Amtrak station canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2170951 — 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: Madera Amtrak station Context triple: [Madera, hasTransportation, Madera Amtrak 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.
-
B.
Gilroy station
Gilroy station is a passenger rail station in Gilroy, California, serving as a terminus for Caltrain commuter services and a stop for Amtrak Thruway buses.
-
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.
-
D.
Diridon Station
Diridon Station is a major intermodal transit hub in San Jose, California, serving Caltrain, Amtrak, ACE, VTA light rail, and various bus services.
-
E.
Palo Alto station
Palo Alto station is a major commuter rail stop in Palo Alto, California, serving as a key hub on the Caltrain line between San Francisco and San Jose.
- 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: Madera Amtrak station Target entity description: Madera Amtrak station is a passenger rail station in Madera, California, served by Amtrak’s San Joaquins route in the San Joaquin 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.
-
B.
Gilroy station
Gilroy station is a passenger rail station in Gilroy, California, serving as a terminus for Caltrain commuter services and a stop for Amtrak Thruway buses.
-
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.
-
D.
Diridon Station
Diridon Station is a major intermodal transit hub in San Jose, California, serving Caltrain, Amtrak, ACE, VTA light rail, and various bus services.
-
E.
Palo Alto station
Palo Alto station is a major commuter rail stop in Palo Alto, California, serving as a key hub on the Caltrain line between San Francisco and San Jose.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
Amtrak station
ⓘ
passenger rail station ⓘ railway station ⓘ |
| accessible | yes ⓘ |
| category |
Amtrak stations in California
ⓘ
Buildings and structures in Madera County, California ⓘ Railway stations in Madera County, California ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| hasStationCode | MDR ⓘ |
| locatedIn |
Madera County, California
ⓘ
Madera, California ⓘ San Joaquin Valley ⓘ |
| locatedInTimeZone | Pacific Time Zone ⓘ |
| operator | Amtrak ⓘ |
| owner | Amtrak ⓘ |
| parking | available ⓘ |
| partOfCorridor |
San Joaquin Corridor
ⓘ
linked to:
San Joaquins route
|
| partOfNetwork |
California Amtrak network
ⓘ
linked to:
Amtrak California
|
| platforms | 1 side platform ⓘ |
| railLine | San Joaquins ⓘ |
| servedBy |
Amtrak
ⓘ
San Joaquins ⓘ |
| serves |
Madera County
ⓘ
linked to:
Madera County, California
city of Madera ⓘ
linked to:
City of Madera
|
| structureType | at-grade ⓘ |
| tracks | 1 ⓘ |
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: Madera Amtrak station Description of subject: Madera Amtrak station is a passenger rail station in Madera, California, served by Amtrak’s San Joaquins route in the San Joaquin Valley.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Madera Amtrak station