Martinez Amtrak station
E436861
Martinez Amtrak station is a passenger rail station in Martinez, California, serving as a key stop for Amtrak trains in the San Francisco Bay Area.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Martinez Amtrak station canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4401051 — 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: Martinez Amtrak station Context triple: [Martinez, California, hasRailStation, Martinez Amtrak station]
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
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.
- 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: Martinez Amtrak station Target entity description: Martinez Amtrak station is a passenger rail station in Martinez, California, serving as a key stop for Amtrak trains in the San Francisco Bay Area.
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
Amtrak station
ⓘ
railway station ⓘ |
| accessible | yes ⓘ |
| category |
Amtrak stations in California
ⓘ
Buildings and structures in Martinez, California ⓘ Railway stations in Contra Costa County, California ⓘ |
| code | MTZ NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| formerOperator | Southern Pacific Railroad NERFINISHED ⓘ |
| hasBusConnections |
Amtrak Thruway buses
NERFINISHED
ⓘ
local buses ⓘ |
| hasFacility |
bicycle parking
ⓘ
restrooms ⓘ ticket office ⓘ waiting room ⓘ |
| hasStyle | Amtrak standard station design ⓘ |
| isKeyStopFor | Amtrak services in the San Francisco Bay Area ⓘ |
| locatedIn |
Contra Costa County, California
NERFINISHED
ⓘ
Martinez, California NERFINISHED ⓘ San Francisco Bay Area ⓘ |
| nearby |
Carquinez Strait
NERFINISHED
ⓘ
downtown Martinez ⓘ |
| opened | 2001 ⓘ |
| operator | Amtrak ⓘ |
| ownedBy | City of Martinez NERFINISHED ⓘ |
| parking | available ⓘ |
| platforms | 2 island platforms ⓘ |
| railLine |
BNSF Railway line
NERFINISHED
ⓘ
UP Martinez Subdivision NERFINISHED ⓘ |
| replaced | earlier Martinez depot ⓘ |
| servedBy |
Amtrak Thruway Motorcoach
NERFINISHED
ⓘ
California Zephyr NERFINISHED ⓘ Capitol Corridor NERFINISHED ⓘ Coast Starlight NERFINISHED ⓘ San Joaquins NERFINISHED ⓘ |
| serves |
Martinez, California
NERFINISHED
ⓘ
San Francisco Bay Area NERFINISHED ⓘ |
| structureType | at-grade ⓘ |
| timezone | Pacific Time Zone ⓘ |
| tracks | 4 ⓘ |
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: Martinez Amtrak station Description of subject: Martinez Amtrak station is a passenger rail station in Martinez, California, serving as a key stop for Amtrak trains in the San Francisco Bay Area.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.